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OpenThaiGPT 47

"21"

The registration official "____" all the senior students to collect their deposit money but he forgot to do so

1. was to remind 2. had reminded 3. was reminding 4. reminded 5. would be reminding

2. had reminded

"22"

____ beside his damaged vehicle

1. The motorist in the middle of the road lying 2. Lay in the middle of the road the motorist 3. In the middle of the road lay the motorist 4. In the road the motorist lay in the middle 5. In the road in the middle the motorist lay

3. In the middle of the road lay the motorist

"23"

____ to the L.P. National Park since all the facilities were renovated and improved

1. There have been a lot of visitors 2. They have been a lot of visitors 3. A lot of visitors they have been 4. A lot of visitors there have been 5. There have had a lot of visitors

1. There have been a lot of visitors

"24"

Paula wants to make a birthday cake for her daughter, but she does not have _____ sugar left.

1. many 2. some 3. much 4. any of 5. an amount of

3. much

"25"

_____Jimmy smoked, _____ from his illness.

1. Little / he recovered fast 2. The least / faster he recovered 3. The less the faster he recovered 4. The little / he recovered fast 5. The least / he recovered faster

5. The least / he recovered faster

"26"

Directions: There are two passages in this section. In each passage, five mistakes are underlined. Following each passage, find the corrections of the underlined mistakes. Choose the BEST corrections. Passage 1: Items 26-30 A mother had put her little boy to bed and thought he had fallen asleep when he came downstairs and asked for a glass of water. The mother 26(had given) him a glass, and off he went to bed. However, a 27(few minutes late), he was back for more water. The mother wondered how he could be 28(enough thirsty) but gave the water to him anyway. A minute later, the kid was back. "Can I have 29(the other water glass)?" he asked. "What's wrong with you?" exclaimed the mother. "That's the third glass of water 30(of night). How come you're so thirsty?" "Oh," said the little boy, "The water's not for me. The roof's on fire."

1. would have given 2. had been giving 3. gave 4. was giving 5. has given

3. gave

"27"

Directions: There are two passages in this section. In each passage, five mistakes are underlined. Following each passage, find the corrections of the underlined mistakes. Choose the BEST corrections. Passage 1: Items 26-30 A mother had put her little boy to bed and thought he had fallen asleep when he came downstairs and asked for a glass of water. The mother 26(had given) him a glass, and off he went to bed. However, a 27(few minutes late), he was back for more water. The mother wondered how he could be 28(enough thirsty) but gave the water to him anyway. A minute later, the kid was back. "Can I have 29(the other water glass)?" he asked. "What's wrong with you?" exclaimed the mother. "That's the third glass of water 30(of night). How come you're so thirsty?" "Oh," said the little boy, "The water's not for me. The roof's on fire."

1. later a few minute 2. a few minute late 3. very few minutes late 4. later few minutes 5. a few minutes later

5. a few minutes later

"28"

Directions: There are two passages in this section. In each passage, five mistakes are underlined. Following each passage, find the corrections of the underlined mistakes. Choose the BEST corrections. Passage 1: Items 26-30 A mother had put her little boy to bed and thought he had fallen asleep when he came downstairs and asked for a glass of water. The mother 26(had given) him a glass, and off he went to bed. However, a 27(few minutes late), he was back for more water. The mother wondered how he could be 28(enough thirsty) but gave the water to him anyway. A minute later, the kid was back. "Can I have 29(the other water glass)?" he asked. "What's wrong with you?" exclaimed the mother. "That's the third glass of water 30(of night). How come you're so thirsty?" "Oh," said the little boy, "The water's not for me. The roof's on fire."

1. thirsty enough 2. such thirsty 3. that thirsty 4. thirsty much 5. too thirsty

3. that thirsty

"29"

Directions: There are two passages in this section. In each passage, five mistakes are underlined. Following each passage, find the corrections of the underlined mistakes. Choose the BEST corrections. Passage 1: Items 26-30 A mother had put her little boy to bed and thought he had fallen asleep when he came downstairs and asked for a glass of water. The mother 26(had given) him a glass, and off he went to bed. However, a 27(few minutes late), he was back for more water. The mother wondered how he could be 28(enough thirsty) but gave the water to him anyway. A minute later, the kid was back. "Can I have 29(the other water glass)?" he asked. "What's wrong with you?" exclaimed the mother. "That's the third glass of water 30(of night). How come you're so thirsty?" "Oh," said the little boy, "The water's not for me. The roof's on fire."

1. one other water glass 2. another glass of water 3. another water glass 4. the other glass of water 5. one another glass of water

2. another glass of water

"30"

Directions: There are two passages in this section. In each passage, five mistakes are underlined. Following each passage, find the corrections of the underlined mistakes. Choose the BEST corrections. Passage 1: Items 26-30 A mother had put her little boy to bed and thought he had fallen asleep when he came downstairs and asked for a glass of water. The mother 26(had given) him a glass, and off he went to bed. However, a 27(few minutes late), he was back for more water. The mother wondered how he could be 28(enough thirsty) but gave the water to him anyway. A minute later, the kid was back. "Can I have 29(the other water glass)?" he asked. "What's wrong with you?" exclaimed the mother. "That's the third glass of water 30(of night). How come you're so thirsty?" "Oh," said the little boy, "The water's not for me. The roof's on fire."

1. during tonight 2. for a night 3. of this night 4. within a night 5. tonight

5. tonight

"31"

Passage 2: Items 31-35 Many people believe that it is unlucky to walk under a ladder. Many others think that 31(break the mirror) or opening an umbrella indoors are signs of bad luck. It is 32(considered) unlucky if the 13th day of a month falls on a Friday. 33(In addition), finding a four-leaf clover, owning a rabbit's foot, or 34(seventh child of a family) are all signs of good luck. People who believe in things are said to be 35(superstitious).

1. to break mirrors 2. break a mirror 3. having broken mirrors 4. broke the mirror 5. breaking a mirror

5. breaking a mirror

"32"

Passage 2: Items 31-35 Many people believe that it is unlucky to walk under a ladder. Many others think that 31(break the mirror) or opening an umbrella indoors are signs of bad luck. It is 32(considered) unlucky if the 13th day of a month falls on a Friday. 33(In addition), finding a four-leaf clover, owning a rabbit's foot, or 34(seventh child of a family) are all signs of good luck. People who believe in things are said to be 35(superstitious).

1. was being considered 2. was considering 3. is considering 4. is considered 5. is to be considering

4. is considered

"33"

Passage 2: Items 31-35 Many people believe that it is unlucky to walk under a ladder. Many others think that 31(break the mirror) or opening an umbrella indoors are signs of bad luck. It is 32(considered) unlucky if the 13th day of a month falls on a Friday. 33(In addition), finding a four-leaf clover, owning a rabbit's foot, or 34(seventh child of a family) are all signs of good luck. People who believe in things are said to be 35(superstitious).

1. On the other hand 2. Nevertheless 3. Even so 4. Therefore 5. In other words

1. On the other hand

"34"

Passage 2: Items 31-35 Many people believe that it is unlucky to walk under a ladder. Many others think that 31(break the mirror) or opening an umbrella indoors are signs of bad luck. It is 32(considered) unlucky if the 13th day of a month falls on a Friday. 33(In addition), finding a four-leaf clover, owning a rabbit's foot, or 34(seventh child of a family) are all signs of good luck. People who believe in things are said to be 35(superstitious).

1. be a seven child 2. being the seventh child 3. have seven children 4. to have seven children 5. to have the seventh child

2. being the seventh child

"35"

Passage 2: Items 31-35 Many people believe that it is unlucky to walk under a ladder. Many others think that 31(break the mirror) or opening an umbrella indoors are signs of bad luck. It is 32(considered) unlucky if the 13th day of a month falls on a Friday. 33(In addition), finding a four-leaf clover, owning a rabbit's foot, or 34(seventh child of a family) are all signs of good luck. People who believe in things are said to be 35(superstitious).

1. all the things 2. such the thing 3. such things 4. all things 5. the thing

3. such things

"36"

Writing Ability (Items 36-45) Directions: Choose the word, phrase, clause, or sentence that BEST completes each blank in the passage. The set of pictures below will help you. Passage: Do you want to change your appearance with a wig and some wax crayons? (36)______ a balloon, paste, newspaper, and black or brown wax crayons. Now, follow these steps. First, blow up a balloon until (37) ______ your head. (38)______, tear the newspaper into 5 cm squares and (39) ______ the balloon, overlapping each piece. Leave the area around the neck of the balloon uncovered. Put (40)______ warm place for a week, then pop the balloon and carefully peel off the paper shell. Trim the base (41)______. (42)______ strands of wool, pieces of old fur, or even crunched up crepe paper. (43) _____ the crayons. Emphasize the lines that appear on your forehead. (44)______ Put lines around your eyes, nose, and mouth. (45)______ cut out little bits of black paper the same size as your front teeth. Lick them and stick them into position.

1. What ever you will need are 2. Those which you need will be 3. What do you need must be 4. What you need are 5. That you need is

4. What you need are

"37"

Writing Ability (Items 36-45) Directions: Choose the word, phrase, clause, or sentence that BEST completes each blank in the passage. The set of pictures below will help you. Passage: Do you want to change your appearance with a wig and some wax crayons? (36)______ a balloon, paste, newspaper, and black or brown wax crayons. Now, follow these steps. First, blow up a balloon until (37) ______ your head. (38)______, tear the newspaper into 5 cm squares and (39) ______ the balloon, overlapping each piece. Leave the area around the neck of the balloon uncovered. Put (40)______ warm place for a week, then pop the balloon and carefully peel off the paper shell. Trim the base (41)______. (42)______ strands of wool, pieces of old fur, or even crunched up crepe paper. (43) _____ the crayons. Emphasize the lines that appear on your forehead. (44)______ Put lines around your eyes, nose, and mouth. (45)______ cut out little bits of black paper the same size as your front teeth. Lick them and stick them into position.

1. It is about the same size as 2. The size is about the same with 3. You have about the size as same as 4. You have about the same size like 5. It is the size about the same with

1. It is about the same size as

"38"

Writing Ability (Items 36-45) Directions: Choose the word, phrase, clause, or sentence that BEST completes each blank in the passage. The set of pictures below will help you. Passage: Do you want to change your appearance with a wig and some wax crayons? (36)______ a balloon, paste, newspaper, and black or brown wax crayons. Now, follow these steps. First, blow up a balloon until (37) ______ your head. (38)______, tear the newspaper into 5 cm squares and (39) ______ the balloon, overlapping each piece. Leave the area around the neck of the balloon uncovered. Put (40)______ warm place for a week, then pop the balloon and carefully peel off the paper shell. Trim the base (41)______. (42)______ strands of wool, pieces of old fur, or even crunched up crepe paper. (43) _____ the crayons. Emphasize the lines that appear on your forehead. (44)______ Put lines around your eyes, nose, and mouth. (45)______ cut out little bits of black paper the same size as your front teeth. Lick them and stick them into position.

1. Thirdly 2. Besides 3. Next 4. Therefore 5. Also

3. Nex

"39"

Writing Ability (Items 36-45) Directions: Choose the word, phrase, clause, or sentence that BEST completes each blank in the passage. The set of pictures below will help you. Passage: Do you want to change your appearance with a wig and some wax crayons? (36)______ a balloon, paste, newspaper, and black or brown wax crayons. Now, follow these steps. First, blow up a balloon until (37) ______ your head. (38)______, tear the newspaper into 5 cm squares and (39) ______ the balloon, overlapping each piece. Leave the area around the neck of the balloon uncovered. Put (40)______ warm place for a week, then pop the balloon and carefully peel off the paper shell. Trim the base (41)______. (42)______ strands of wool, pieces of old fur, or even crunched up crepe paper. (43) _____ the crayons. Emphasize the lines that appear on your forehead. (44)______ Put lines around your eyes, nose, and mouth. (45)______ cut out little bits of black paper the same size as your front teeth. Lick them and stick them into position.

1. Put them into 2. Throw it under 3. Paste these onto 4. Place it around 5. Arrange them next to

3. Paste these onto

"40"

Writing Ability (Items 36-45) Directions: Choose the word, phrase, clause, or sentence that BEST completes each blank in the passage. The set of pictures below will help you. Passage: Do you want to change your appearance with a wig and some wax crayons? (36)______ a balloon, paste, newspaper, and black or brown wax crayons. Now, follow these steps. First, blow up a balloon until (37) ______ your head. (38)______, tear the newspaper into 5 cm squares and (39) ______ the balloon, overlapping each piece. Leave the area around the neck of the balloon uncovered. Put (40)______ warm place for a week, then pop the balloon and carefully peel off the paper shell. Trim the base (41)______. (42)______ strands of wool, pieces of old fur, or even crunched up crepe paper. (43) _____ the crayons. Emphasize the lines that appear on your forehead. (44)______ Put lines around your eyes, nose, and mouth. (45)______ cut out little bits of black paper the same size as your front teeth. Lick them and stick them into position.

1. The paper covered balloon in a 2. A covering paper on the balloon to 3. A balloon with paper covering to 4. The covering paper of balloon on 5. Paper covered a balloon to the

1. The paper covered balloon in a

"41"

Writing Ability (Items 36-45) Directions: Choose the word, phrase, clause, or sentence that BEST completes each blank in the passage. The set of pictures below will help you. Passage: Do you want to change your appearance with a wig and some wax crayons? (36)______ a balloon, paste, newspaper, and black or brown wax crayons. Now, follow these steps. First, blow up a balloon until (37) ______ your head. (38)______, tear the newspaper into 5 cm squares and (39) ______ the balloon, overlapping each piece. Leave the area around the neck of the balloon uncovered. Put (40)______ warm place for a week, then pop the balloon and carefully peel off the paper shell. Trim the base (41)______. (42)______ strands of wool, pieces of old fur, or even crunched up crepe paper. (43) _____ the crayons. Emphasize the lines that appear on your forehead. (44)______ Put lines around your eyes, nose, and mouth. (45)______ cut out little bits of black paper the same size as your front teeth. Lick them and stick them into position.

1. To fit your head 2. Your head is fitting 3. For your head fitted 4. For fitting your head 5. That your head must be fitted

1. To fit your head

"42"

Writing Ability (Items 36-45) Directions: Choose the word, phrase, clause, or sentence that BEST completes each blank in the passage. The set of pictures below will help you. Passage: Do you want to change your appearance with a wig and some wax crayons? (36)______ a balloon, paste, newspaper, and black or brown wax crayons. Now, follow these steps. First, blow up a balloon until (37) ______ your head. (38)______, tear the newspaper into 5 cm squares and (39) ______ the balloon, overlapping each piece. Leave the area around the neck of the balloon uncovered. Put (40)______ warm place for a week, then pop the balloon and carefully peel off the paper shell. Trim the base (41)______. (42)______ strands of wool, pieces of old fur, or even crunched up crepe paper. (43) _____ the crayons. Emphasize the lines that appear on your forehead. (44)______ Put lines around your eyes, nose, and mouth. (45)______ cut out little bits of black paper the same size as your front teeth. Lick them and stick them into position.

1. When making hair, glue to 2. Make a hair, glue to 3. To make hair, glue on 4. You use glue to make hair of 5. For the hair, you make glue with

3. To make hair, glue on

"43"

Writing Ability (Items 36-45) Directions: Choose the word, phrase, clause, or sentence that BEST completes each blank in the passage. The set of pictures below will help you. Passage: Do you want to change your appearance with a wig and some wax crayons? (36)______ a balloon, paste, newspaper, and black or brown wax crayons. Now, follow these steps. First, blow up a balloon until (37) ______ your head. (38)______, tear the newspaper into 5 cm squares and (39) ______ the balloon, overlapping each piece. Leave the area around the neck of the balloon uncovered. Put (40)______ warm place for a week, then pop the balloon and carefully peel off the paper shell. Trim the base (41)______. (42)______ strands of wool, pieces of old fur, or even crunched up crepe paper. (43) _____ the crayons. Emphasize the lines that appear on your forehead. (44)______ Put lines around your eyes, nose, and mouth. (45)______ cut out little bits of black paper the same size as your front teeth. Lick them and stick them into position.

1. Also your face must be drawn with wrinkles by 2. Then draw wrinkles onto your face with 3. The step to follow is drawing wrinkles for your face by 4. Following is drawing wrinkles onto your face using 5. To follow, wrinkles are drawn onto your face with

2. Then draw wrinkles onto your face with

"44"

Writing Ability (Items 36-45) Directions: Choose the word, phrase, clause, or sentence that BEST completes each blank in the passage. The set of pictures below will help you. Passage: Do you want to change your appearance with a wig and some wax crayons? (36)______ a balloon, paste, newspaper, and black or brown wax crayons. Now, follow these steps. First, blow up a balloon until (37) ______ your head. (38)______, tear the newspaper into 5 cm squares and (39) ______ the balloon, overlapping each piece. Leave the area around the neck of the balloon uncovered. Put (40)______ warm place for a week, then pop the balloon and carefully peel off the paper shell. Trim the base (41)______. (42)______ strands of wool, pieces of old fur, or even crunched up crepe paper. (43) _____ the crayons. Emphasize the lines that appear on your forehead. (44)______ Put lines around your eyes, nose, and mouth. (45)______ cut out little bits of black paper the same size as your front teeth. Lick them and stick them into position.

1. For your frowning 2. For you to frown 3. When you frown 4. While you frowned 5. How you frown

3. When you frown

"45"

Writing Ability (Items 36-45) Directions: Choose the word, phrase, clause, or sentence that BEST completes each blank in the passage. The set of pictures below will help you. Passage: Do you want to change your appearance with a wig and some wax crayons? (36)______ a balloon, paste, newspaper, and black or brown wax crayons. Now, follow these steps. First, blow up a balloon until (37) ______ your head. (38)______, tear the newspaper into 5 cm squares and (39) ______ the balloon, overlapping each piece. Leave the area around the neck of the balloon uncovered. Put (40)______ warm place for a week, then pop the balloon and carefully peel off the paper shell. Trim the base (41)______. (42)______ strands of wool, pieces of old fur, or even crunched up crepe paper. (43) _____ the crayons. Emphasize the lines that appear on your forehead. (44)______ Put lines around your eyes, nose, and mouth. (45)______ cut out little bits of black paper the same size as your front teeth. Lick them and stick them into position.

1. For add effect 2. Having effects added 3. To have effects added 4. Having added effect 5. For added effect

5. For added effect

"46"

Vocabulary: (Items 46-50) Directions: Choose the BEST alternatives to complete the passage. Passage: Ross Levy has been designing and making his own toys since he was a schoolboy. His workshop at the Art and Handicrafts Center now has over 90 (46)______ wooden toys (47)______ , from small animals to a hand-carved rocking horse. Ross uses pinus and rimu wood. When the (48)______ , they are hand-sanded, put together, and finally (49)______ with soybean oil. Ross Levy also has export orders to Europe, the United States, Canada, Asia, and Australia. Mail orders are always welcome. They will be packed and posted (50).______

1. Different 2. Namely 3. Unlikely 4. Unpopular 5. Artificial

1. Different

"47"

Vocabulary: (Items 46-50) Directions: Choose the BEST alternatives to complete the passage. Passage: Ross Levy has been designing and making his own toys since he was a schoolboy. His workshop at the Art and Handicrafts Center now has over 90 (46)______ wooden toys (47)______ , from small animals to a hand-carved rocking horse. Ross uses pinus and rimu wood. When the (48)______ , they are hand-sanded, put together, and finally (49)______ with soybean oil. Ross Levy also has export orders to Europe, the United States, Canada, Asia, and Australia. Mail orders are always welcome. They will be packed and posted (50).______

1. Ordering 2. Sequencing 3. Ranging 4. Spreading 5. Lining

3. Ranging

"48"

Vocabulary: (Items 46-50) Directions: Choose the BEST alternatives to complete the passage. Passage: Ross Levy has been designing and making his own toys since he was a schoolboy. His workshop at the Art and Handicrafts Center now has over 90 (46)______ wooden toys (47)______ , from small animals to a hand-carved rocking horse. Ross uses pinus and rimu wood. When the (48)______ , they are hand-sanded, put together, and finally (49)______ with soybean oil. Ross Levy also has export orders to Europe, the United States, Canada, Asia, and Australia. Mail orders are always welcome. They will be packed and posted (50).______

1. Shapes 2. Fractions 3. Diagrams 4. Charts 5. Images

1. Shapes

"49"

Vocabulary: (Items 46-50) Directions: Choose the BEST alternatives to complete the passage. Passage: Ross Levy has been designing and making his own toys since he was a schoolboy. His workshop at the Art and Handicrafts Center now has over 90 (46)______ wooden toys (47)______ , from small animals to a hand-carved rocking horse. Ross uses pinus and rimu wood. When the (48)______ , they are hand-sanded, put together, and finally (49)______ with soybean oil. Ross Levy also has export orders to Europe, the United States, Canada, Asia, and Australia. Mail orders are always welcome. They will be packed and posted (50).______

1. Patched 2. Painted 3. Beautified 4. Coloured 5. Coated

5. Coated

"50"

Vocabulary: (Items 46-50) Directions: Choose the BEST alternatives to complete the passage. Passage: Ross Levy has been designing and making his own toys since he was a schoolboy. His workshop at the Art and Handicrafts Center now has over 90 (46)______ wooden toys (47)______ , from small animals to a hand-carved rocking horse. Ross uses pinus and rimu wood. When the (48)______ , they are hand-sanded, put together, and finally (49)______ with soybean oil. Ross Levy also has export orders to Europe, the United States, Canada, Asia, and Australia. Mail orders are always welcome. They will be packed and posted (50).______

1. Overseas 2. Remotely 3. Outwards 4. Aboard 5. Externally

1. Overseas

"51"

The least visited countries were______.

1. China and Thailand 2. Brunei and Bhutan 3. Nepal and Mongolia 4. Mongolia and Bhutan 5. Nepal and Brunei

2. Brunei and Bhutan

"52"

The number of tourists visiting China in 2017 was million______.

1. 24.03 2. 32.58 3. 59.27 4. 60 5. 70

3. 59.27

"53"

The chart demonstrating the figures was______.

1. a record since 2017 2. a biannual report 3. arranged in alphabetical order 4. reported by the World Tourism Organization 5. the number of travelers to Southeast Asia

4. reported by the World Tourism Organization

"54"

The number of visitors to Japan and South Korea differs by million

1. 1.33 2. 10.08 3. 10.80 4. 11.12 5. 13.52

3. 10.80

"55"

The figures in the chart represent the ____ in 2017

1. data posted by ANN 2. number of travelers to Asia 3. list of visitors around the world 4. most visited countries in Southeast Asia 5. ten top popular countries in Southeast Asia

2. number of travelers to Asia

"56"

Bumstead believes that doing a yoga headstand

1. during a break is necessary 2. before starting work helps keep ideas fresh 3. for a short time makes him feel sleepy 4. after work helps him feel relaxed 5. helps him focus well

5. helps him focus well

"57"

Bumstead suggests that his boss______.

1. avoid doing a headstand 2. take a break and do yoga 3. take a regular break 4. take a yoga class 5. spend more time doing yoga

2. take a break and do yoga

"58"

According to Bumstead, it can be concluded that______.

1. only he should take a break 2. yoga helps him work better 3. a yoga break is good exercise 4. yoga can help improve one's health 5. all employees should take a yoga break

2. yoga helps him work better

"59"

The conversation between Bumstead and his boss shows that

1. the boss does not like taking a yoga break 2. doing yoga regularly helps one lose weight 3. the boss had a bad experience with a headstand 4. a yoga break is common practice in the office 5. one can have an injury while doing yoga

3. the boss had a bad experience with a headstand

"60"

Sydney: A dingo dragged a sleeping toddler from a camper van on a popular Australian holiday island late on Thursday, but his father awoke and pulled his 14-month-old son from the jaws of the animal. The parents woke up to the baby screaming, chased after him, and had to fight the dingoes off to take the 14-month-old boy away. The boy suffered head and neck injuries in the attack on Fraser Island off the northeast coast and was taken to hospital. In 1980, baby Azaria Chamberlain disappeared from a tent in a camping ground in Australia's outback, with her mother claiming she was taken by a dingo. The baby's body was never found, and Azaria's mother was jailed for three years over her daughter's death. It was not until 2012 that a court ruled that a dingo had killed Azaria. Dingoes, introduced to Australia about 4,000 years ago, are a protected species on Fraser Island and are a popular attraction for camping tourists. They are also protected in Queensland's national parks, World Heritage areas, Aboriginal reserves, and the Australian Capital Territory. Elsewhere, they are declared a pest species. The news report begins with a story about______.

1. a camper van attacked by dingoes on Fraser Island 2. an ancient protected wild animal in Australia 3. a 14-month-old boy killed by a wild animal 4. a popular but dangerous Australian holiday island 5. a dingo pulling a sleeping child from a camper van

5. a dingo pulling a sleeping child from a camper van

"61"

Sydney: A dingo dragged a sleeping toddler from a camper van on a popular Australian holiday island late on Thursday, but his father awoke and pulled his 14-month-old son from the jaws of the animal. The parents woke up to the baby screaming, chased after him, and had to fight the dingoes off to take the 14-month-old boy away. The boy suffered head and neck injuries in the attack on Fraser Island off the northeast coast and was taken to hospital. In 1980, baby Azaria Chamberlain disappeared from a tent in a camping ground in Australia's outback, with her mother claiming she was taken by a dingo. The baby's body was never found, and Azaria's mother was jailed for three years over her daughter's death. It was not until 2012 that a court ruled that a dingo had killed Azaria. Dingoes, introduced to Australia about 4,000 years ago, are a protected species on Fraser Island and are a popular attraction for camping tourists. They are also protected in Queensland's national parks, World Heritage areas, Aboriginal reserves, and the Australian Capital Territory. Elsewhere, they are declared a pest species. According to the news______.

1. more than one dingo attacked the camp 2. the dingo was finally killed by the boy's parents 3. the boy's parents could rescue him from dingoes 4. dingoes should not be protected in Australia 5. the little boy's scream drove the dingo away

3. the boy's parents could rescue him from dingoes

"62"

Sydney: A dingo dragged a sleeping toddler from a camper van on a popular Australian holiday island late on Thursday, but his father awoke and pulled his 14-month-old son from the jaws of the animal. The parents woke up to the baby screaming, chased after him, and had to fight the dingoes off to take the 14-month-old boy away. The boy suffered head and neck injuries in the attack on Fraser Island off the northeast coast and was taken to hospital. In 1980, baby Azaria Chamberlain disappeared from a tent in a camping ground in Australia's outback, with her mother claiming she was taken by a dingo. The baby's body was never found, and Azaria's mother was jailed for three years over her daughter's death. It was not until 2012 that a court ruled that a dingo had killed Azaria. Dingoes, introduced to Australia about 4,000 years ago, are a protected species on Fraser Island and are a popular attraction for camping tourists. They are also protected in Queensland's national parks, World Heritage areas, Aboriginal reserves, and the Australian Capital Territory. Elsewhere, they are declared a pest species. The case of baby Azaria reveals that______.

1. the baby must have been left alone in the camping tent 2. everyone believed that a dingo took away the baby 3. Azaria's mother was jailed for telling lies about a dingo 4. the court took over 30 years to decide that a dingo killed the baby 5. the camping ground is on a remote island

4. the court took over 30 years to decide that a dingo killed the baby

"63"

Sydney: A dingo dragged a sleeping toddler from a camper van on a popular Australian holiday island late on Thursday, but his father awoke and pulled his 14-month-old son from the jaws of the animal. The parents woke up to the baby screaming, chased after him, and had to fight the dingoes off to take the 14-month-old boy away. The boy suffered head and neck injuries in the attack on Fraser Island off the northeast coast and was taken to hospital. In 1980, baby Azaria Chamberlain disappeared from a tent in a camping ground in Australia's outback, with her mother claiming she was taken by a dingo. The baby's body was never found, and Azaria's mother was jailed for three years over her daughter's death. It was not until 2012 that a court ruled that a dingo had killed Azaria. Dingoes, introduced to Australia about 4,000 years ago, are a protected species on Fraser Island and are a popular attraction for camping tourists. They are also protected in Queensland's national parks, World Heritage areas, Aboriginal reserves, and the Australian Capital Territory. Elsewhere, they are declared a pest species. From the news report, we learn that______.

1. dingoes are ancient animals found only on Fraser Island 2. Aboriginal communities protected dingoes 4,000 years ago 3. dingoes are protected in many parts of Australia 4. dingoes are protected because they are rarely seen in parks 5. Azaria was actually killed by a dingo in 2012

3. dingoes are protected in many parts of Australia

"64"

Sydney: A dingo dragged a sleeping toddler from a camper van on a popular Australian holiday island late on Thursday, but his father awoke and pulled his 14-month-old son from the jaws of the animal. The parents woke up to the baby screaming, chased after him, and had to fight the dingoes off to take the 14-month-old boy away. The boy suffered head and neck injuries in the attack on Fraser Island off the northeast coast and was taken to hospital. In 1980, baby Azaria Chamberlain disappeared from a tent in a camping ground in Australia's outback, with her mother claiming she was taken by a dingo. The baby's body was never found, and Azaria's mother was jailed for three years over her daughter's death. It was not until 2012 that a court ruled that a dingo had killed Azaria. Dingoes, introduced to Australia about 4,000 years ago, are a protected species on Fraser Island and are a popular attraction for camping tourists. They are also protected in Queensland's national parks, World Heritage areas, Aboriginal reserves, and the Australian Capital Territory. Elsewhere, they are declared a pest species. We learn from the news report that dingoes______.

1. are the oldest native Australian animals 2. have attacked sleeping children at night 3. killing baby Azaria horrified camping tourists 4. and Aboriginal communities have a close relationship 5. live to be very old

2. have attacked sleeping children at night

"65"

Sydney: A dingo dragged a sleeping toddler from a camper van on a popular Australian holiday island late on Thursday, but his father awoke and pulled his 14-month-old son from the jaws of the animal. The parents woke up to the baby screaming, chased after him, and had to fight the dingoes off to take the 14-month-old boy away. The boy suffered head and neck injuries in the attack on Fraser Island off the northeast coast and was taken to hospital. In 1980, baby Azaria Chamberlain disappeared from a tent in a camping ground in Australia's outback, with her mother claiming she was taken by a dingo. The baby's body was never found, and Azaria's mother was jailed for three years over her daughter's death. It was not until 2012 that a court ruled that a dingo had killed Azaria. Dingoes, introduced to Australia about 4,000 years ago, are a protected species on Fraser Island and are a popular attraction for camping tourists. They are also protected in Queensland's national parks, World Heritage areas, Aboriginal reserves, and the Australian Capital Territory. Elsewhere, they are declared a pest species. A popular attraction (line 14) refers to______.

1. Fraser Island 2. dingoes 3. species 4. national parks 5. camping tourists

2. dingoes

"66"

Sydney: A dingo dragged a sleeping toddler from a camper van on a popular Australian holiday island late on Thursday, but his father awoke and pulled his 14-month-old son from the jaws of the animal. The parents woke up to the baby screaming, chased after him, and had to fight the dingoes off to take the 14-month-old boy away. The boy suffered head and neck injuries in the attack on Fraser Island off the northeast coast and was taken to hospital. In 1980, baby Azaria Chamberlain disappeared from a tent in a camping ground in Australia's outback, with her mother claiming she was taken by a dingo. The baby's body was never found, and Azaria's mother was jailed for three years over her daughter's death. It was not until 2012 that a court ruled that a dingo had killed Azaria. Dingoes, introduced to Australia about 4,000 years ago, are a protected species on Fraser Island and are a popular attraction for camping tourists. They are also protected in Queensland's national parks, World Heritage areas, Aboriginal reserves, and the Australian Capital Territory. Elsewhere, they are declared a pest species. The best headline of this news article is______.

1. Dingoes draw tourists to Fraser Island 2. Dingoes on Fraser Island attack camping tourists 3. Dingo drags toddler from bed on Fraser Island 4. Toddler killed on Fraser Island by dingoes 5. Baby Azaria killed on camping ground in Australia

3. Dingo drags toddler from bed on Fraser Island

"67"

Dear Ann Landers, I'd like to respond to the letter from the woman whose son "Jeremy" was forced by his father to play football. I am an athlete. I played high school and college ball and spent six years as part of 'George Halas' infamous "Taxi Squad" in the early 1960s. When I retired, I spent many hours coaching pee-wee football for boys ages 10 to 12. Ann, watching those kids get hit and hit hard—and seeing the other coaches and parents pushing their children to get up and take it over and over again—really turned me off. Children that age are still developing physically. Hard hits can do permanent damage that may not show up until later. I know; I have knees that ache and buckle, back pain like you wouldn't believe, and I have had surgery on my spine. All of this from being hit by guys while playing a game. In grade school-level football, children who weigh 40 kilograms are sometimes pitted against others who weigh 54 kgs. These kids are poorly coached about protecting themselves, and I can tell you, the ones who really don't want to play are the most vulnerable. I speak from experience. Ex-Football Player The letter to Ann Landers comes from______.

1. an experienced physical trainer 2. Jeremy's mother 3. a former football player 4. a novice football coach 5. a young football player

3. a former football player

"68"

Dear Ann Landers, I'd like to respond to the letter from the woman whose son "Jeremy" was forced by his father to play football. I am an athlete. I played high school and college ball and spent six years as part of 'George Halas' infamous "Taxi Squad" in the early 1960s. When I retired, I spent many hours coaching pee-wee football for boys ages 10 to 12. Ann, watching those kids get hit and hit hard—and seeing the other coaches and parents pushing their children to get up and take it over and over again—really turned me off. Children that age are still developing physically. Hard hits can do permanent damage that may not show up until later. I know; I have knees that ache and buckle, back pain like you wouldn't believe, and I have had surgery on my spine. All of this from being hit by guys while playing a game. In grade school-level football, children who weigh 40 kilograms are sometimes pitted against others who weigh 54 kgs. These kids are poorly coached about protecting themselves, and I can tell you, the ones who really don't want to play are the most vulnerable. I speak from experience. Ex-Football Player The letter shows the writer's______.

1. worry about the danger of football to young players 2. reluctance to coach young football players 3. complaint about injuries he got from playing football 4. sympathy for parents who force children to play football 5. reasons for retiring from the "Taxi Squad"

1. worry about the danger of football to young players

"69"

Dear Ann Landers, I'd like to respond to the letter from the woman whose son "Jeremy" was forced by his father to play football. I am an athlete. I played high school and college ball and spent six years as part of 'George Halas' infamous "Taxi Squad" in the early 1960s. When I retired, I spent many hours coaching pee-wee football for boys ages 10 to 12. Ann, watching those kids get hit and hit hard—and seeing the other coaches and parents pushing their children to get up and take it over and over again—really turned me off. Children that age are still developing physically. Hard hits can do permanent damage that may not show up until later. I know; I have knees that ache and buckle, back pain like you wouldn't believe, and I have had surgery on my spine. All of this from being hit by guys while playing a game. In grade school-level football, children who weigh 40 kilograms are sometimes pitted against others who weigh 54 kgs. These kids are poorly coached about protecting themselves, and I can tell you, the ones who really don't want to play are the most vulnerable. I speak from experience. Ex-Football Player "Turned me off" (line 8) means "felt_______"

1. anxious 2. hopeless 3. disgusted 4. disappointed 5. depressed

3. disgusted

"70"

Dear Ann Landers, I'd like to respond to the letter from the woman whose son "Jeremy" was forced by his father to play football. I am an athlete. I played high school and college ball and spent six years as part of 'George Halas' infamous "Taxi Squad" in the early 1960s. When I retired, I spent many hours coaching pee-wee football for boys ages 10 to 12. Ann, watching those kids get hit and hit hard—and seeing the other coaches and parents pushing their children to get up and take it over and over again—really turned me off. Children that age are still developing physically. Hard hits can do permanent damage that may not show up until later. I know; I have knees that ache and buckle, back pain like you wouldn't believe, and I have had surgery on my spine. All of this from being hit by guys while playing a game. In grade school-level football, children who weigh 40 kilograms are sometimes pitted against others who weigh 54 kgs. These kids are poorly coached about protecting themselves, and I can tell you, the ones who really don't want to play are the most vulnerable. I speak from experience. Ex-Football Player The writer thinks that______.

1. children from different schools should not play football together 2. parents and football coaches should be more patient 3. injuries from hits in playing football often lead to surgery 4. young football players must be properly coached about self-protection 5. a football coach for young children does not need much training

4. young football players must be properly coached about self-protection

"71"

Dear Ann Landers, I'd like to respond to the letter from the woman whose son "Jeremy" was forced by his father to play football. I am an athlete. I played high school and college ball and spent six years as part of 'George Halas' infamous "Taxi Squad" in the early 1960s. When I retired, I spent many hours coaching pee-wee football for boys ages 10 to 12. Ann, watching those kids get hit and hit hard—and seeing the other coaches and parents pushing their children to get up and take it over and over again—really turned me off. Children that age are still developing physically. Hard hits can do permanent damage that may not show up until later. I know; I have knees that ache and buckle, back pain like you wouldn't believe, and I have had surgery on my spine. All of this from being hit by guys while playing a game. In grade school-level football, children who weigh 40 kilograms are sometimes pitted against others who weigh 54 kgs. These kids are poorly coached about protecting themselves, and I can tell you, the ones who really don't want to play are the most vulnerable. I speak from experience. Ex-Football Player The writer believes that______.

1. Injuries in playing football can be avoided if players do not hit hard 2. Hard hits in playing football can make players stronger 3. Football is not suitable for pre-teenagers 4. Young football players are not hurt easily even if poorly coached 5. Children not wanting to play football can stand hard hits

3. Football is not suitable for pre-teenagers

"72"

Dear Ann Landers, I'd like to respond to the letter from the woman whose son "Jeremy" was forced by his father to play football. I am an athlete. I played high school and college ball and spent six years as part of 'George Halas' infamous "Taxi Squad" in the early 1960s. When I retired, I spent many hours coaching pee-wee football for boys ages 10 to 12. Ann, watching those kids get hit and hit hard—and seeing the other coaches and parents pushing their children to get up and take it over and over again—really turned me off. Children that age are still developing physically. Hard hits can do permanent damage that may not show up until later. I know; I have knees that ache and buckle, back pain like you wouldn't believe, and I have had surgery on my spine. All of this from being hit by guys while playing a game. In grade school-level football, children who weigh 40 kilograms are sometimes pitted against others who weigh 54 kgs. These kids are poorly coached about protecting themselves, and I can tell you, the ones who really don't want to play are the most vulnerable. I speak from experience. Ex-Football Player It can be inferred from the letter that______.

1. Injuries in professional football result from improper coaching 2. Parents believe that any child can play football well 3. Professional football coaches for children are sympathetic 4. Children should not be forced to play football if they are not ready 5. The "Taxi Squad" was not famous

4. Children should not be forced to play football if they are not ready

"73"

Dear Ann Landers, I'd like to respond to the letter from the woman whose son "Jeremy" was forced by his father to play football. I am an athlete. I played high school and college ball and spent six years as part of 'George Halas' infamous "Taxi Squad" in the early 1960s. When I retired, I spent many hours coaching pee-wee football for boys ages 10 to 12. Ann, watching those kids get hit and hit hard—and seeing the other coaches and parents pushing their children to get up and take it over and over again—really turned me off. Children that age are still developing physically. Hard hits can do permanent damage that may not show up until later. I know; I have knees that ache and buckle, back pain like you wouldn't believe, and I have had surgery on my spine. All of this from being hit by guys while playing a game. In grade school-level football, children who weigh 40 kilograms are sometimes pitted against others who weigh 54 kgs. These kids are poorly coached about protecting themselves, and I can tell you, the ones who really don't want to play are the most vulnerable. I speak from experience. Ex-Football Player Vulnerable (line 15) means______.

1. Weak and easily hurt 2. Patient and ready to fight 3. Tough and durable 4. Unsafe and dangerous 5. Unenjoyable and tired

1. Weak and easily hurt

"74"

Dear Ann Landers, I'd like to respond to the letter from the woman whose son "Jeremy" was forced by his father to play football. I am an athlete. I played high school and college ball and spent six years as part of 'George Halas' infamous "Taxi Squad" in the early 1960s. When I retired, I spent many hours coaching pee-wee football for boys ages 10 to 12. Ann, watching those kids get hit and hit hard—and seeing the other coaches and parents pushing their children to get up and take it over and over again—really turned me off. Children that age are still developing physically. Hard hits can do permanent damage that may not show up until later. I know; I have knees that ache and buckle, back pain like you wouldn't believe, and I have had surgery on my spine. All of this from being hit by guys while playing a game. In grade school-level football, children who weigh 40 kilograms are sometimes pitted against others who weigh 54 kgs. These kids are poorly coached about protecting themselves, and I can tell you, the ones who really don't want to play are the most vulnerable. I speak from experience. Ex-Football Player The tone of this letter is______.

1. Neutral 2. Instructive 3. Humorous 4. Sarcastic 5. Concerned

5. Concerned

"75"

What is it about loud rock music that makes your ears ring after several hours at a concert or club? Does loud classical music have the same effect? Ringing in the ears is called tinnitus. In the circumstances described above, it can often be accompanied by a temporary loss of hearing known as (line 5) temporary threshold shift and indicates damage to the nerves of the inner ear caused by excessive noise exposure. The criterion is not the type of music listened to but the sound energy involved. Rock music, being prone to electric amplification, can generate high noise levels. This tends not to be the case with classical music. (line 10) Repeated exposure to high noise levels can lead to permanent and irreversible hearing damage, and because of this, noise in the workplace is subject to legislation, the maximum permitted exposure level being 90 dBA over an eight-hour shift. Damage of this nature tends to affect hearing mainly at a frequency of (line 15) about 4 kilohertz and presents a characteristic profile on an audiogram. This loss is insidious and may not be noticeable to the sufferer until natural hearing loss through aging begins to occur. At this point, hearing function may start to drop off sharply, and it is, unfortunately, far too late to do anything about it. (line 20) It is best not to expose one's hearing to very high noise levels, but if it does occur, it is important to allow full recovery 16 hours before re-exposure to the sound. You may wonder if rock musicians suffer from this form of deafness; they do. Ring (line 1) means______.

1. Sound familiar 2. Make a call 3. Sound like a bell 4. Become deaf 5. Hear an annoying sound

5. Hear an annoying sound

"76"

What is it about loud rock music that makes your ears ring after several hours at a concert or club? Does loud classical music have the same effect? Ringing in the ears is called tinnitus. In the circumstances described above, it can often be accompanied by a temporary loss of hearing known as (line 5) temporary threshold shift and indicates damage to the nerves of the inner ear caused by excessive noise exposure. The criterion is not the type of music listened to but the sound energy involved. Rock music, being prone to electric amplification, can generate high noise levels. This tends not to be the case with classical music. (line 10) Repeated exposure to high noise levels can lead to permanent and irreversible hearing damage, and because of this, noise in the workplace is subject to legislation, the maximum permitted exposure level being 90 dBA over an eight-hour shift. Damage of this nature tends to affect hearing mainly at a frequency of (line 15) about 4 kilohertz and presents a characteristic profile on an audiogram. This loss is insidious and may not be noticeable to the sufferer until natural hearing loss through aging begins to occur. At this point, hearing function may start to drop off sharply, and it is, unfortunately, far too late to do anything about it. (line 20) It is best not to expose one's hearing to very high noise levels, but if it does occur, it is important to allow full recovery 16 hours before re-exposure to the sound. You may wonder if rock musicians suffer from this form of deafness; they do. It (line 4) refers to______.

1. Loud rock music 2. Ringing in the ears 3. Classical music 4. A concert or club 5. Type of music

2. Ringing in the ears

"77"

What is it about loud rock music that makes your ears ring after several hours at a concert or club? Does loud classical music have the same effect? Ringing in the ears is called tinnitus. In the circumstances described above, it can often be accompanied by a temporary loss of hearing known as (line 5) temporary threshold shift and indicates damage to the nerves of the inner ear caused by excessive noise exposure. The criterion is not the type of music listened to but the sound energy involved. Rock music, being prone to electric amplification, can generate high noise levels. This tends not to be the case with classical music. (line 10) Repeated exposure to high noise levels can lead to permanent and irreversible hearing damage, and because of this, noise in the workplace is subject to legislation, the maximum permitted exposure level being 90 dBA over an eight-hour shift. Damage of this nature tends to affect hearing mainly at a frequency of (line 15) about 4 kilohertz and presents a characteristic profile on an audiogram. This loss is insidious and may not be noticeable to the sufferer until natural hearing loss through aging begins to occur. At this point, hearing function may start to drop off sharply, and it is, unfortunately, far too late to do anything about it. (line 20) It is best not to expose one's hearing to very high noise levels, but if it does occur, it is important to allow full recovery 16 hours before re-exposure to the sound. You may wonder if rock musicians suffer from this form of deafness; they do. The writer's purpose is to______.

1. Describe the loudness of classical music and rock music 2. Compare the effects of loud classical music and loud rock music 3. Explain why music is illegal in the workplace 4. Emphasize the effects of loud noise on rock musicians' hearing 5. Warn people of the danger of exposure to loud noise

5. Warn people of the danger of exposure to loud noise

"78"

What is it about loud rock music that makes your ears ring after several hours at a concert or club? Does loud classical music have the same effect? Ringing in the ears is called tinnitus. In the circumstances described above, it can often be accompanied by a temporary loss of hearing known as (line 5) temporary threshold shift and indicates damage to the nerves of the inner ear caused by excessive noise exposure. The criterion is not the type of music listened to but the sound energy involved. Rock music, being prone to electric amplification, can generate high noise levels. This tends not to be the case with classical music. (line 10) Repeated exposure to high noise levels can lead to permanent and irreversible hearing damage, and because of this, noise in the workplace is subject to legislation, the maximum permitted exposure level being 90 dBA over an eight-hour shift. Damage of this nature tends to affect hearing mainly at a frequency of (line 15) about 4 kilohertz and presents a characteristic profile on an audiogram. This loss is insidious and may not be noticeable to the sufferer until natural hearing loss through aging begins to occur. At this point, hearing function may start to drop off sharply, and it is, unfortunately, far too late to do anything about it. (line 20) It is best not to expose one's hearing to very high noise levels, but if it does occur, it is important to allow full recovery 16 hours before re-exposure to the sound. You may wonder if rock musicians suffer from this form of deafness; they do. According to the extract______.

1. Loud music can damage one's general health 2. Young people like to listen to rock music 3. Noise in the workplace should not exceed 90 dBA over an eighth-hour period 4. Classical music, as well as rock music, needs electric amplification 5. Hearing function drops off sharply when a person gets olde

3. Noise in the workplace should not exceed 90 dBA over an eighth-hour period

"79"

What is it about loud rock music that makes your ears ring after several hours at a concert or club? Does loud classical music have the same effect? Ringing in the ears is called tinnitus. In the circumstances described above, it can often be accompanied by a temporary loss of hearing known as (line 5) temporary threshold shift and indicates damage to the nerves of the inner ear caused by excessive noise exposure. The criterion is not the type of music listened to but the sound energy involved. Rock music, being prone to electric amplification, can generate high noise levels. This tends not to be the case with classical music. (line 10) Repeated exposure to high noise levels can lead to permanent and irreversible hearing damage, and because of this, noise in the workplace is subject to legislation, the maximum permitted exposure level being 90 dBA over an eight-hour shift. Damage of this nature tends to affect hearing mainly at a frequency of (line 15) about 4 kilohertz and presents a characteristic profile on an audiogram. This loss is insidious and may not be noticeable to the sufferer until natural hearing loss through aging begins to occur. At this point, hearing function may start to drop off sharply, and it is, unfortunately, far too late to do anything about it. (line 20) It is best not to expose one's hearing to very high noise levels, but if it does occur, it is important to allow full recovery 16 hours before re-exposure to the sound. You may wonder if rock musicians suffer from this form of deafness; they do. The writer suggests that one______.

1. Completely stop listening to very loud rock music 2. Check one's hearing after going to a rock concert 3. Listen to classical music rather than rock music 4. Expose one's hearing to very loud noise gradually 5. Stay away from anything with very high noise levels

5. Stay away from anything with very high noise levels

"80"

What is it about loud rock music that makes your ears ring after several hours at a concert or club? Does loud classical music have the same effect? Ringing in the ears is called tinnitus. In the circumstances described above, it can often be accompanied by a temporary loss of hearing known as (line 5) temporary threshold shift and indicates damage to the nerves of the inner ear caused by excessive noise exposure. The criterion is not the type of music listened to but the sound energy involved. Rock music, being prone to electric amplification, can generate high noise levels. This tends not to be the case with classical music. (line 10) Repeated exposure to high noise levels can lead to permanent and irreversible hearing damage, and because of this, noise in the workplace is subject to legislation, the maximum permitted exposure level being 90 dBA over an eight-hour shift. Damage of this nature tends to affect hearing mainly at a frequency of (line 15) about 4 kilohertz and presents a characteristic profile on an audiogram. This loss is insidious and may not be noticeable to the sufferer until natural hearing loss through aging begins to occur. At this point, hearing function may start to drop off sharply, and it is, unfortunately, far too late to do anything about it. (line 20) It is best not to expose one's hearing to very high noise levels, but if it does occur, it is important to allow full recovery 16 hours before re-exposure to the sound. You may wonder if rock musicians suffer from this form of deafness; they do. The writer DOES NOT mention that______.

1. The type of music has no effect on temporary hearing loss 2. Rock music depends on electric amplification to increase loudness 3. Listening to very loud rock music can lead to hearing damage 4. Classical music needs amplifiers to generate high noise level 5. The frequency of about 4 kilohertz can affect hearing ability

4. Classical music needs amplifiers to generate high noise level

"1"

กําหนดให้ a และ b เป็นจำนวนจริงที่มากกว่า 1 ถ้า sqrt(b) เป็นรากที่ 6 ของ a แล้วข้อใดถูกต้อง

1. a = b^1/12 2. a = b^1/6 3. a = b^1/3 4. a = b^3 5. a = b¹²

4. a = b^3

"2"

2 พิจารณาข้อความต่อไปนี้ ก ) 100^10 = 10^1000 ข) (-4)^2/5 = 5sqrt(2^4) ค) 3sqrt(1/27)^4 < (1/27)^-4/3 จากข้อความ ก) ข) และ ค) ข้างต้น ข้อใดถูกต้อง

1. ข้อความ ก) ถูกต้องเพียงข้อเดียวเท่านั้น 2. ข้อความ ข) ถูกต้องเพียงข้อเดียวเท่านั้น 3. ข้อความ ค) ถูกต้องเพียงข้อเดียวเท่านั้น 4. ข้อความ ก) และ ข) ถูกต้องเท่านั้น 5. ข้อความ ข) และ ค ถูกต้องเท่านั้น

5. ข้อความ ข) และ ค ถูกต้องเท่านั้น

"3"

กำหนดให้ (3^x/4 . 2^1/4)^12 = 24 ข้อใดถูกต้อง

1. 0 < x < 1/4 2. 1/4 < x < 1/2 3. 1/2 < x < 1 4. 1 < x < 4 5. 2 < x < 4

2. 1/4 < x < 1/2

"4"

กำหนดให้ A = {5,6,7} B = {x l x เป็นจำนวนคี่ที่มากกว่า 2 แต่น้อยกว่า 8 } และ C = { x l x = 3n - 2 เมื่ิv n E {1,2,3}} ( A U B) - C คือเซตในข้อใด

1. {5} 2. {1,2} 3. {1,4} 4. {3,4,6} 5. {5,6,7}

4. {3,4,6}

"5"

กำหนดให้ p, q และ r เป็นประพจน์ที่มีค่าความจริงเป็นจริง เท็จ และจริง ตามลำดับ ประพจน์ในข้อใดมีค่าความจริงเป็นจริง

1.p^(qv~r) 2. p ↔ ( q → r ) 3. (~p v q) ^ r 4. p → ( q ↔ r ) 5. (p ↔ ) v ~ r

2. p ↔ ( q → r )

"6"

กําหนดให้ ประพจน์ “จ้อยเป็นคนตรงต่อเวลาและไม่ ได้ ใส่แว่นตา” มีค่าความจริง เป็นจริง และ “จ้อยเป็นคนตรงต่อเวลาก็ต่อเมื่อจ้อยใส่นาฬิกาข้อมือ” มีค่าความจริงเป็นเท็จ ประพจน์ ใน ข้อใดมีค่าความจริงเป็นเท็จ

1. ถ้าจ้อยใส่นาฬิกาข้อมือ แล้วจ้อยไม่ได้ใส่แว่นตา 2. ถ้าจ้อยใส่ นาฬิกาข้อมือ แล้วจ้อยใส่แว่นตา 3. จ้อยใส่แว่นตาก็ต่อเมื่อจ้อยใส่นาฬิกาข้อมือ 4. จ้อย ไม่ได้ใส่แว่นตาและไม่ ได้ ใส่นาฬิกาข้อมือ 5. จ้อย ใส่แว่นตาแต่ไม่ ได้ใส่นาฬิกาข้อมือ

5. จ้อย ใส่แว่นตาแต่ไม่ ได้ใส่นาฬิกาข้อมือ

"7"

กำหดนให้ a,b,c, และ d เป็นจำนวนจริงใดๆ โดยที่ a,b,c ,d เป็นลำดับเลขคณิต พิจารณาข้อความต่อไปนี้ ก) a = b + c - d ข) b = (a+c)/2 ค) d = (a+b+c)/3 จากข้อความ ก) ข) และ ค) ข้างต้น ข้อใดถูกต้อง

1. ข้อความ ก) ถูกต้องเพียงข้อเดียวเท่านั้น 2. ข้อความ ข) ถูกต้องเพียงข้อเดียวเท่านั้น 3. ข้อความ ค) ถูกต้องเพียงข้อเดียวเท่านั้น 4. ข้อความ ก) และ ข) ถูกต้องเท่านั้น 5 ข้อความ ก) และ ค) ถูกต้องเท่านั้น

4. ข้อความ ก) และ ข) ถูกต้องเท่านั้น

"8"

กำหนดให้ a1, a2, a3, ... , an , ... เป็นลำดับเรขาคณิตที่มีอัตราส่วนร่วมเป็น -2 ถ้า a4 = แล้ว a1 มีค่าเท่ากับเท่าใด

1. -32 2. -1/2 3. 1/4 4. 10 5. 32

2. -1/2

"9"

อัครกู้เงินจากสถาบันการเงินแห่งหนึ่ง กำหนดชำระหนี้ทั้งหมดในอีก 3 ปีข้างหน้า มีอัตราดอกเบี้ย 6% ต่อปี โดยคิดดอกเบี้ยแบบทบต้นทุก 6 เดือน ถ้าตลอด 3 ปีนี้ อัครไม่ได้กู้เงินเพิ่ม และ ไม่มีการชำระเงิน เมื่อครบ 3 ปี มียอดเงินกู้พร้อมดอกเบี้ยที่ต้องชำระเป็นเงิน 11,940.52 บาท แล้วอัครกู้เงินกี่บาท

1. 11,940.52(1.01)^-18 บาท 2. 11,940.52(1.01)^-2 บาท 3. 11,940.52(1.03)^-6 บาท 4. 11,940.52(1.06)^-2 บาท 5. 11,940.52(1.06)^-6 บาท

3. 11,940.52(1.03)^-6 บาท

"10"

เจตน์เปิดบัญชีฝากประจำกับสถาบันการเงินแห่งหนึ่ง ซึ่งกำหนดอัตราดอกเบี้ย 2% ต่อปี โดยคิดดอกเบี้ยแบบทบต้นทุกปี ถ้าเจตน์ฝากเงินปีละ 1 ครั้ง ครั้งละ 500 บาท ณ วันที่ 1 มกราคม ของทุกปี และเริ่มฝากเงินครั้งแรกในวันที่ 1 มกราคม 2564 โดยไม่ถอนเงินออกมาเลย แล้วณ วันที่ 31 ธันวาคม 2574 เจตน์จะมีเงินในบัญชีนี้กี่บาท

1. 500 + 500 (1.02) + 500(1.02)^2 + ... + 500 (1.02)^10 บาท 2. 500 + 500(1.02) + 500(1.02)^2 + ... + 500(1.02)^11 บาท 3. 500(1.02) + 500 (1.02)^2 + 500(1.02) + ... +500(1.02)^10 บาท 4. 500(1.02) +500(1.02) ² + 500( 1.02) ³ + ... + 500 (1.02)^11 บาท 5. 500(1.02) +500 (1.02) ² + 500(1.02)^3 +...+ 500 (1.02)^12 บาท

4. 500(1.02) +500(1.02) ² + 500( 1.02) ³ + ... + 500 (1.02)^11 บาท

"11"

ฟังก์ชันแสดงความสูงของต้นไม้ต้นหนึ่ง มีหน่วยเป็นเมตร ในช่วงอายุตั้งแต่ 5 ปี ถึง 10 ปี เป็นฟังก์ชันเชิงเส้น ถ้าต้นไม้นี้เมื่ออายุ 10 ปี สูงกว่าเมื่ออายุ 5 ปี อยู่ 7.5 เมตร แล้วต้นไม้ นี้เมื่ออายุ 9 ปี สูงกว่าเมื่ออายุ 6 ปี อยู่กี่เมตร

1. 2.25 เมตร 2. 3 เมตร 3. 4.5 เมตร 4. 5.5 เมตร 5. 6 เมตร

3. 4.5 เมตร

"12"

นักสถิติคาดการณ์จำนวนประชากรของชุมชนแห่งหนึ่งว่า “เมื่อถึงวันที่ 31 ธันวาคม 2571 ชุมชนแห่งนี้จะมีจำนวนประชากร 7,000 คน หลังจากนั้นไปจนถึงวันที่ 31 ธันวาคม 2583 จำนวนประชากรจะลดลงใน อัตราร้อยละ 0.2% ต่อปี ถ้าข้อคาดการณ์นี้เป็นจริง แล้ววันที่ 31 ธันวาคม 2583 ชุมชนแห่งนี้จะมีประชากรอยู่กี่คน

1. 7,000(0.2)^12 คน 2. 7,000(1 - 0.2)^12 คน 3. 7,000(1-0.2)^12 คน 4. 7,000(1 - 2)^13 คน 5. 7,000(1-0.002)^13 คน

3. 7,000(1-0.2)^12 คน

"13"

กมลาต้องการระบายสีภาพดาวที่แบ่งอกเป็น 5 ส่วน ดังรูป ถ้ากมลาจะระบายสีภาพข้างต้นด้วยสีไม้กล่องหนึ่งที่มีสีที่ต่างกันอยู่10 สี โดยเลือกสีไประบายส่วนละหนึ่งสีจนครบทุกส่วน และไม่ใช้สีซ้ากันแล้วจำนวนวิธีในการระบายสีที่ต่างกันมีทั้งหมดกี่วิธี

1. 10!/5!5! วิธี 2. 10!/5! วิธี 3. 10! วิธี 4. 10^5 วิธี 5. 5^10 วิธี

2. 10!/5! วิธี

"14"

บริษัทจำหน่ายเครื่องใช้ไฟฟ้าแจกรางวัลท่องเที่ยว 1 จังหวัด จาก 3 จังหวัด คือ เชียงใหม่ อุบลราชธานี และ ภูเก็ต โดยให้ลูกค้ากรอกแบบฟอร์มลุ้นรางวัล ที่แนบมากับเครื่องใช้ไฟฟ้า พร้อมทั้งเลือกจังหวัดที่ต้องการเพียง 1 จังหวัด เมื่อครบกำหนดวันที่ระบุ พนักงานรวบรวมแบบฟอร์มที่ลูกค้าส่งเข้ามา ได้ข้อมูลดังตาราง เครื่องใช้ไฟฟ้า จำนวนแบบฟอร์มที่ระบุจังหวัด(ใบ) เชียงใหม่ อุบลราชธานี ภูเก็ต โทรทัศน์ 5 3 1 ตู้เย็น 3 8 9 เครื่องซักผ้า 1 5 10 ถ้าสุ่มแบบฟอร์มขึ้นมา 1 ใบ เพื่อให้รางวัล แล้วความน่าจะเป็นที่จะได้แบบฟอร์ม จากการซื้อตู้เย็นที่ระบุจังหวัดเชียงใหม่หรือจังหวัดภูเก็ตเท่ากับเท่าใด

1. 4/15 2. 1/3 3. 4/9 4. 3/5 5. 2/3

1. 4/15

"15"

กล่องทึบใบหนึ่งบรรจุสลากทั้งหมด 20 ใบ เป็นสลากหมายเลข 1, 2, 3, ... , 19, 209 ถ้าสุ่มหยิบสลากขึ้นมาพร้อมกัน 2 ใบ แล้วความน่าจะเป็นที่จะได้สลากที่มีผลต่างของหมายเลขบนสลากเป็น 10เท่ากับเท่าใด

1. 1/40 2. 1/38 3. 1/20 4. 1/19 5. 1/10

4. 1/19

"16"

ร้านขนมแห่งหนึ่งขายเค้ก 8 ชนิด เป็นเค้กผลไม้ 4 ชนิด และ เค้กอื่นๆ 4 ชนิด โดยจัดแสดงเค้กชนิดละ 1 ชิ้น ในตู้กระจกสองชั้น ชั้นบนวางเค้กเป็นแถวได้ 4 ชนิด และ ชั้นล่างวางเค้กเป็นแถวได้ 4 ชนิด ผู้จัดการต้องการให้พนักงานจัดแสดงเค้กในตู้ โดยให้วางเค้กผลไม้ไว้ที่ชั้นบน และวางเค้กอื่นๆ ไว้ที่ชั้นล่าง ถ้าพนักงานจัดแสดงเค้กอย่างสุ่ม แล้วความน่าจะเป็นที่พนักงานจะจัดแสดงเค้กได้ ตรงตามที่ผู้จัดการต้องการเท่ากับเท่าใด

1. 1/840 2. 1/420 3. 1/70 4. 1/48 5. 1/35

3. 1/70

"17"

ร้านไอศกรีมแห่งหนึ่งขายไอศกรีมรสวนิลา รสช็อกโกแลตและรสผลไม้ ซึ่งมี 4 รส ได้แก่ รสทุเรียน รสมะม่วง รสส้ม และ รสมังคุด ผลการสำรวจรสไอศกรีมที่ลูกค้าชอบ โดยให้ลูกค้าแต่ละคนเลือก รสไอศกรีมที่ชอบเพียง 1 รสเท่านั้น แสดงด้วยแผนภูมิดังนี้ รสวนิลา 30% รสช็อกโกแลต 50% รสผลไม้ (รสทุเรียน 15 คน) (รสมะม่วง 12 คน) (รสส้ม 10 คน) (รสมังคุด 23 คน) จากแผนภูมิ มีลูกค้าเข้าร่วมการสำรวจในครั้งนี้ทั้งหมดกี่คน

1. 140 คน 2. 220 คน 3. 240 คน 4. 300 คน 5. 600 คน

4. 300 คน

"18"

การสำรวจกิจกรรมของนักเรียนกลุ่มหนึ่ง เป็นเวลา 4 เดือน ได้ผลการสำรวจดังนี้ พิจารณาข้อความต่อไปนี้ ก) จำนวนนักเรียนที่อ่านหนังสือในเดือนที่ 3 เป็นสามเท่าของเดือนที่ 2 ข) กิจกรรมที่มีจำนวนนักเรียนลดลงมากที่สุดในเดือนที่ 4 เมื่อเทียบกับ เดือนที่ 1 คือ กิจกรรมถ่ายภาพ ค) ในเดือนที่ 1 มีนักเรียนดูภาพยนตร์น้อยกว่า 10 คน แต่ในเดือนที่ 2 มีนักเรียนดูภาพยนตร์มากกว่า 15 คน จากข้อความ ก) ข) และ ค) ข้างต้น ข้อใดถูกต้อง

1. ข้อความ ก) ถูกต้องเพียงข้อเดียวเท่านั้น 2. ข้อความ ข) ถูกต้องเพียงข้อเดียวเท่านั้น 3. ข้อความ ค) ถูกต้องเพียงข้อเดียวเท่านั้น 4. ข้อความ ก) และ ค) ถูกต้องเท่านั้น 5. ข้อความ ข) และ ค) ถูกต้องเท่านั้น

5. ข้อความ ข) และ ค) ถูกต้องเท่านั้น

"19"

การสอบครั้งหนึ่งมีข้อสอบ 8 ข้อ ข้อละ 5 คะแนน คะแนนสอบของนักเรียน 11 คน แสดงด้วยแผนภาพลำต้นและใบดังนี้ 1 l 0 5 5 2 l 0 5 3 l 0 0 0 0 5 5 การเปรียบเทียบค่าเฉลี่ยเลขคณิต มัธยฐาน และฐานนิยม ของข้อมูลชุดนี้ ตรงกับข้อใด

1. ค่าเฉลี่ยเลขคณิต = มัธยฐาน = ฐานนิยม 2. ค่าเฉลี่ยเลขคณิต < มัธยฐาน < ฐานนิยม 3. ค่าเฉลี่ยเลขคณิต < ฐานนิยม และ ฐานนิยม = มัธยฐาน 4. มัธยฐาน < ค่าเฉลี่ยเลขคณิต และ ฐานนิยม = มัธยฐาน 5. ฐานนิยม < มัธยฐาน < ค่าเฉลี่ยเลขคณิต

3. ค่าเฉลี่ยเลขคณิต < ฐานนิยม และ ฐานนิยม = มัธยฐาน

"20"

แผนภาพกล่องของคะแนนสอบ 2 วิชา ของนักเรียนกลุ่มหนึ่ง ดังนี้ ข้อใดถูกต้อง

1. พิสัยของคะแนนสอบวิชาที่ 2 เท่ากับ 3 คะแนน 2. มัธยฐานของคะแนนสอบวิชาที่ 1 เท่ากับ 12.5 คะแนน 3. ควอร์ไทล์ที่ 1 ของคะแนนสอบวิชาที่ 1 เท่ากับ 12 คะแนน 4. เปอร์เซ็นไทล์ที่ 75 ของคะแนนสอบวิชาที่ 2 เท่ากับ 16 คะแนน 5. พิสัยระหว่างควอร์ไทล์ของคะแนนสอบวิชาที่ 1 มากกว่าวิชาที่ 2

5. พิสัยระหว่างควอร์ไทล์ของคะแนนสอบวิชาที่ 1 มากกว่าวิชาที่ 2

"21"

แผนภาพกล่่องแสดงอายุพนักงาน (ปี) ขงแผนกหนึ่งที่มีพนักงาน 9 คน ณ วันที่ 1 มกราคม 2562 ดังนี้ ณ วันที่ 1 มกราคม 2562 พนักงานทั้งเก้าคนยังคงทำงานอยู่

1. 2. 3. 4. 5.

1.

"22"

ข้อมูลเชิงปริมาณ จำนวน 11 ตัว ที่แสดงด้วยแผนภาพจุดในข้อใด มีพิสัยระหว่างควอร์ไทล์น้อยที่สุด

๐ ๐ ๐ ๐ ๐ ๐ ๐ ๐ ๐ ๐ ๐ 1. ---1---2---3---4---5---6---7---8---9---10 ๐ ๐ ๐ ๐ ๐ ๐ ๐ ๐ ๐ ๐ ๐ 2. ---1---2---3---4---5---6---7---8---9---10 ๐ ๐ ๐ ๐ ๐ ๐ ๐ ๐ ๐ ๐ ๐ 3. ---1---2---3---4---5---6---7---8---9---10 ๐ ๐ ๐ ๐ ๐ ๐ ๐ ๐ ๐ ๐ ๐ 4. ---1---2---3---4---5---6---7---8---9---10 ๐ ๐ ๐ ๐ ๐ ๐ ๐ ๐ ๐ ๐ ๐ 5. ---1---2---3---4---5---6---7---8---9---10

๐ ๐ ๐ ๐ ๐ ๐ ๐ ๐ ๐ ๐ ๐ 1. ---1---2---3---4---5---6---7---8---9---10

"23"

กำหนดข้อมูลจากกลุ่มตัวอย่าง 3 ชุด ดังนี้ 8 ข้อมูลชุดที่ 1 ประกอบด้วย X1, X2, X3, ..., X8 และ Σ (xi - x̄)² = 140 i=1 10 _ ข้อมูลชุดที่ 2 ประกอบด้วย y1, y2, y3, ..., y10 และ Σ (y1 - y)² = 108 i=1 15 _ ข้อมูลชุดที่ 3 ประกอบด้วย z1, z2, z3, ..., z15 และ Σ (zi - z)² = 112 _ _ เมื่อ x̄ , y , z เป็นค่าเฉลี่ยเลขคณิตของข้อมูลชุดที่ 1, 2 และ 3 ตามลำดับ _ _ ถ้า x̄ = √5, y = √2, z = 1 แล้วข้อใดเป็นการเรียงลำดับชุดข้อมูลที่มีการกระจายจากน้อยไปมาก

1. ข้อมูลชุดที่ 1, ข้อมูลชุดที่ 2, ข้อมูลชุดที่ 3 2. ข้อมูลชุดที่ 2, ข้อมูลชุดที่ 1, ข้อมูลชุดที่ 3 3. ข้อมูลชุดที่ 2, ข้อมูลชุดที่ 3, ข้อมูลชุดที่ 1 4. ข้อมูลชุดที่ 3, ข้อมูลชุดที่ 1, ข้อมูลชุดที่ 2 5. ข้อมูลชุดที่ 3, ข้อมูลชุดที่ 2, ข้อมูลชุดที่ 1

1. ข้อมูลชุดที่ 1, ข้อมูลชุดที่ 2, ข้อมูลชุดที่ 3

"24"

ข้อมูลเชิงปริมาณ ชุดหนึ่งได้จากกลุ่มตัวอย่าง 10 ตัว ดังนี้ 90, 110, 120, 120, 120, 130, 130, 140, 140, 150 ถ้าเพิ่มตัวอย่างอีกหนึ่งตัว ซึ่งมีข้อมูลเป็น 125 แล้วค่าวัดทางสถิติในข้อใดจะเปลี่ยนไป

1. พิสัย 2. ฐานนิยม 3. มัธยฐาน 4. ค่าเฉลี่ยเลขคณิต 5. ส่วนเบี่ยงเบนมาตรฐาน

5. ส่วนเบี่ยงเบนมาตรฐาน

"25"

ตอนที่2 แบบระบายตัวเลขที่เป็นคำ ตอบ จำนวน 8 ข้อ (ข้อ 25–32) ข้อละ 3.125 คะแนน รวม 25 คะแนน ผลการสำรวจการเลือกคณะเข้าศึกษาต่อของนักเรียนกลุ่มหนึ่งจำนวน 50 คน พบว่า 1) มีนักเรียนเลือกทั้งคณะรัฐศาสตร์และคณะนิเทศศาสตร์ 10 คน 2) มีนักเรียนเลือกคณะรัฐศาสตร์แต่ไม่เลือกคณะนิเทศศาสตร์ 8 คน 3) มีนักเรียนเลือกคณะอื่นๆ ที่ไม่ใช่คณะรัฐศาสตร์ และ ที่ไม่ใช่คณะนิเทศศาสตร์ 12 คน มีนักเรียนเลือกคณะนิเทศศาสตร์กี่คน

30

"26"

บริษัทรับเหมาสร้างอาคารแห่งหนึ่งทำ สัญญากับผู้ว่าจ้าง โดยระบุค่าปรับเป็นรายวันในกรณีที่บริษัทส่งมอบอาคารให้กับผู้ว่าจ้างล่าช้า ดังนี้ ส่งมอบอาคารล่าช้าหนึ่งวัน คิดค่าปรับ 40,000 บาท ส่งมอบอาคารล่าช้าสองวัน คิดค่าปรับ 40,000 + 50,000 บาท ส่งมอบอาคารล่าช้าสามวัน คิดค่าปรับ 40,000 + 50,000 + 60,000 บาท เป็นเช่นนี้ไปเรื่อย ๆ จนกว่าจะส่งมอบอาคาร ถ้าบริษัทส่งมอบอาคารภายในเวลาที่กำหนด จะได้กำไร 5,000,000 บาท แต่หลังจากส่งมอบอาคาร พบว่า บริษัทได้กำไร 3,530,000 บาท แล้วบริษัทส่งมอบอาคารล่าช้าไปกี่วัน

14

"27"

ภัทร์ฝากเงินที่สหกรณ์ออมทรัพย์จำนวน 30,000 บาท โดยสหกรณ์ให้ดอกเบี้ย 3% ต่อปี และจ่ายดอกเบี้ยทบต้นทุก 4 เดือน ถ้าภัทร์ฝากเงินจำนวนนี้เป็นเวลา 8 เดือน แล้วภัทร์จะมีเงินฝากเพิ่มขึ้นกี่บาท

603

"28"

ชื่นใจขายกระเป๋าผ้าทางออนไลน์ และได้ทำการสำรวจตลาด พบว่า สมการแสดงความสัมพันธ์ระหว่างราคากระเป๋ากับจำนวนกระเป๋าที่ขายได้ ในหนึ่งสัปดาห์ คือ Q(x) = 140 - 2x เมื่อ x แทน ราคากระเป๋าหนึ่งใบ (บาท) และ Q(x) แทน จำนวนกระเป๋าที่ขายได้ (ใบ) ถ้าชื่นใจต้องการขายกระเป๋าให้ได้เงินมากที่สุด แล้วชื่นใจต้องขายกระเป๋าใบละกี่บาท

35

"29"

ต้องการสร้างจำนวนนับที่น้อยกว่า 150 จากเลขโดด 1, 2, 3, 4 และ 5 โดยที่เลขโดดในแต่ละหลักไม่ซ้ำกัน จะสร้างได้ทั้งหมดจำนวน

34

"30"

ผลการสำรวจจำนวนหนังสืออ่านเล่นของนักเรียนกลุ่มหนึ่งจำนวน 50 คน ดังนี้ จำนวนหนังสืออ่านเล่น (เล่ม) จำนวนนักเรียน (คน) 4 6 5 8 6 16 7 20 ค่าเฉลี่ยเลขคณิตของจำนวนหนังสืออ่านเล่นของนักเรียนกลุ่มนี้เท่ากับกี่เล่ม

6

"31"

ข้อมูลชุดหนึ่งประกอบด้วยจำนวนเต็มบวก 5 จำนวน โดยที่มีมัธยฐานเท่ากับ 6 และพิสัยเท่ากับ 7 ถ้ามัธยฐานมากกว่าฐานนิยมอยู่ 1 แล้วค่าที่มากที่สุดของข้อมูลชุดนี้เท่ากับเท่าใด

12

"32"

นาตาชาบันทึกความดันโลหิต (มีหน่วยเป็นมิลลิเมตรปรอท) ในขณะที่หัวใจบีบตัว วันละหนึ่งครั้ง เป็นเวลา 15 วัน โดยเรียงข้อมูลจากน้อยไปมาก ดังนี้ 116, 117, 120, 120, 121, 123, 124, 124, 125, 128, 129, 130, 133, 149, 151 ถ้าค่านอกเกณฑ์คือข้อมูลที่มีค่าน้อยกว่า Q1 - 1.5 (Q3 - Q1) หรือ ข้อมูลที่มีค่ามากกว่า Q3 + 1.5 (Q3 - Q1) แล้วผลบวกของค่านอกเกณฑ์ทั้งหมดของข้อมูลข้างต้นเท่ากับเท่าใด

300

"1"

จำนวนในข้อใดเท่ากับ (-5)^4/5

1. -^5√5^4 2. -^4√5^5 3. ^4√5^5 4. (1/5) ^-4/5 5.(1/5)^5/4

4. (1/5) ^-4/5

"2"

(3^-1 - 3) / (√3 - √3^-1) เท่ากับเท่าใด

1. -4√3 2. -4√3 / 3 3. -√3 4. 4√3 / 3 5. 4√3

2. -4√3 / 3

"3"

กำหนดให้ a และ b เป็นจำนวนจริง โดยที่ b ≠ 0 ถ้า | a | + | b | = 20 11²| | | และ a /b = -2/3 แล้ว | a | + | b | มีค่าเท่ากับเท่าใด

1. 4 2. 6 3. 8 4.12 5 20

1. 4

"4"

กำหนดให้ a เป็นจำนวนจริงใดๆ ข้อใดถูกต้อง

1. -2 | a + 2 | - | 2a - 4 | 2. √a² + 9 = √a² + 3 3. 2√a² + 1 = 2√a² + 2 4. ( a - 2 )² = a² - 4 5. ( 2a - 4)³ = 8 ( a - 2 )³

5. ( 2a - 4)³ = 8 ( a - 2 )³

"5"

กำหนดให้ a, b, s และ t เป็นจำนวนจริงบวก โดยที่ a < b และ s < t พิจารณาข้อความต่อไปนี้ ก) as < bt ข) ( a / t-s ) < ( b /s - t ) ค) ( s - 1/a ) < ( t - 1/b ) จากข้อความ ก) ข) และ ค) ข้างต้น ข้อใดถูกต้อง

1. ข้อความ ก) ถูกต้องเพียงข้อเดียวเท่านั้น 2. ข้อความ ข) ถูกต้องเพียงข้อเดียวเท่านั้น 3. ข้อความ ค) ถูกต้องเพียงข้อเดียวเท่านั้น 4. ข้อความ ก) และ ข) ถูกต้องเท่านั้น 5. ข้อความ ก) และ ค) ถูกต้องเท่านั้น

5. ข้อความ ก) และ ค) ถูกต้องเท่านั้น

"6"

โต้งยืนอยู่ระหว่างเสาธงและเสาไฟฟ้า โดยยืนอยู่บนพื้นดินในแนวเส้นตรงเดียวกันกับ โคนเสาธงและโคนเสาไฟฟ้า จุดที่โต้งยืนห่างจากโคนเสาธง 10 เมตร และห่างจากโคนเสาไฟฟ้า 16 เมตร โต้งมองเห็นยอดเสาธงและยอดเสาไฟฟ้า เป็นมุมเงย 60 องศา เท่ากัน ดังรูป เสาไฟฟ้าสูงกว่าเสาธงกี่เมตร

1. 6√3 เมตร 2. 6 เมตร 3. 3√3 เมตร 4. 3 เมตร 5. 2√3 เมตร

1. 6√3 เมตร

"7"

__ ที่ดินรูปสามเหลี่ยมมุมฉาก ABC มี AC ยาว 60 เมตร ต้องการแบ่งที่ดินแปลงนี้ออกเป็นสองส่วน โดยทำ รั้วกั้นจากจุด A ไปยังจุด P __ ซึ่งอยู่บน BC ดังรูป รั้วกั้นจากจุด A ไปยังจุด P ยาวกี่เมตร

1. 30 เมตร 2. 45 เมตร 3. 30√2 เมตร 4 30√3 เมตร 5 30√6 เมตร

3. 30√2 เมตร

"8"

กำหนดให้ U = { -2, -1, 0, 1, 2, ..., 7, 8, 9 } A = { x | x ∈ ∪ และ x เป็นจำนวนคี่ } และ B = { x | x ∈ ∪ และ x² < 9 } A - B คือเซตในข้อใด

1. { -1, 1 } 2. { 1, 3 } 3. { 5, 7, 9 } 4. { 3, 5, 7, 9 } 5. { 1, 3, 5, 7, 9 }

4. { 3, 5, 7, 9 }