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<s> Chọn đáp án đúng với câu hỏi: Brian ___________ to the travel agents and he hasn’t come back.
A. has been
B. has been going
C. had gone
D. has gone Đáp án là: D. has gone </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Cho bảng số liệu: Tỉ trọng giá trị sản xuất công nghiệp phân theo thành phần kinh tế của vùng Đông Nam Bộ (Đơn vị: %) Theo bảng số liệu trên, nhận xét nào sau đây không chính xác về tỉ trọng giá trị sản xuất công nghiệp phân theo thành phần kinh tế của vùng Đông Nam Bộ?
A. Khu vực kinh tế nhà nước chiếm tỉ trọng thấp nhất và có xu hướng giảm.
B. Khu vực kinh tế ngoài nhà nước chiếm tỉ trọng thấp nhất và có xu hướng tăng khá nhanh.
C. Khu vực kinh tế nhà nước chiếm tỉ trọng khá cao và có xu hướng giảm.
D. Khu vực có vốn đầu tư nước ngoài chiếm tỉ trọng cao nhất và có xu hướng tăng nhanh. Đáp án là: A. Khu vực kinh tế nhà nước chiếm tỉ trọng thấp nhất và có xu hướng giảm. </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Oxi hóa 4 gam Ancol metylic bằng CuO, t 0 thu được 5,6 gam hỗn hợp Anđêhit, nước và Ancol dư. Hiệu suất của phản ứng là :
A. 40%
B. 60%
C. 75%
D. 80% Đáp án là: D. 80% </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Phát biểu nào sau đây là đúng khi nói về ưu thế lai?
A. Ưu thế lai luôn biểu hiện ở con lai của phép lai giữa hai dòng thuần chủng
B. Trong cùng một tổ hợp lai, phép lai thuận có thể không cho ưu thế lai nhưng phép lai nghịch lại có thể cho ưu thế lai và ngược lại
C. Các con lai f 1 có ưu thế lai cao thường được sử dụng làm giống vì chúng có kiểu hình giống nhau
D. Ưu thế lai được biểu hiện ở đời F1 và sau đó tăng dần ở các đời tiếp theo Đáp án là: B. Trong cùng một tổ hợp lai, phép lai thuận có thể không cho ưu thế lai nhưng phép lai nghịch lại có thể cho ưu thế lai và ngược lại </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Where in the passage does the author explain how rare species contribute to the health of the human species?
A. line 1-3
B. line 5-6
C. line 11-13
D. line 18-20 Đáp án là: C. line 11-13 </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Hàm số nào sau đây là hàm số bậc nhất và đồng biến?
A. y = 2 (4 – x) + 5
B. y = √(3)− (2x + 2)
C. y = x^3 – x
D. y = − (9 – x) Đáp án là: D. y = − (9 – x) </s>
|
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<s> Chọn đáp án đúng với câu hỏi: My computer is not______ of running this software.
A. compatible
B. suitable
C. capable
D. able Đáp án là: C. capable </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Đoạn mạch xoay chiều AB gồm: Đoạn mạch AM chứa điện trở thuần R = 90 Ω và tụ điện có điện dung C = 1 9 π m F mắc nối tiếp, đoạn mạch MB là hộp X chứa 2 trong 3 phần tử (điện trở thuần R 0 ; cuộn cảm thuần có độ tự cảm L 0, tụ điện có điện dung C 0 ) mắc nối tiếp. Khi đặt vào hai đầu AB một điện áp xoay chiều có tần số 50 Hz thì ta được đồ thị sự phụ thuộc của u AM và u MB thời gian như hình vẽ. Giá trị của các phần tử chứa trong hộp X là
A. R 0 = 60 Ω, L 0 = 165 mH.
B. R 0 = 30 Ω, L 0 = 95,5 mH.
C. R 0 = 30 Ω, C 0 = 106 μF.
D. R 0 = 60 Ω, C 0 = 61,3 μF. Đáp án là: B. R 0 = 30 Ω, L 0 = 95,5 mH. </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Theo tác giả văn bản Vẻ đẹp của một bài ca dao, tác giả có đồng ý với quan điểm chia tác phẩm thành 2 câu đầu và 2 câu sau để phân tích không?
A. Có, dựa trên hình thức
B. Không, dựa trên nội dung
C. Có, dựa trên nội dung
D. Không, dựa trên hình thức Đáp án là: B. Không, dựa trên nội dung </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Read the following passage, and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions. My village is generally called Langde which consists of Upper Langde and Lower Lane. My own village is Upper Langde, 32 kilometers away from Kaili city and 17 kilometers away from Leishan Country. My hometown is located at the foot of a scenic mountain with a murmuring crystal clear river in front. Groups of waterwheels by the river side produce beautiful folk songs day and night. My father said that we have this festival runs for three consecutive years. People do not kill fattened pigs during the first and second years but only in the final year. So the most special year is the last one, namely the 13 th year. As you can imagine, it is not easy to see many in one lifetime. I can’t remember what the last one, 13 years ago, was like. Fortunately my village held the festival from 22 nd February to 2 nd March this year and the one this year was a very spectacular. The writer’s village is ______.
A. in Upper Langde
B. 32 km away from Leishan County
C. in Lower Lane
D. 17km away from Kaili city planned Đáp án là: A. in Upper Langde </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Polime được điều chế bằng phản ứng trùng hợp là
A. nilon-6,6.
B. poli(etylen-terephtalat).
C. xenlulozo triaxetat.
D. polietilen Đáp án là: D. polietilen </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Which of the following would be the best title for the passage?
A. Speech
B. Gestures
C. Communication
D. Signs and signals Đáp án là: C. Communication </s>
|
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<s> Chọn đáp án đúng với câu hỏi: I didn’t know that Joe had to get up early, so I didn’t wake him up.
A. If I had known that Joe had to get up early, I would have woken him up.
B. Provided that I had woken Joe up, I would know that he had to get up early
C. Much as Joe had been woken up, he would have to get up early.
D. Unless I had known that Joe had to get up early, I would have woken him up. Đáp án là: A. If I had known that Joe had to get up early, I would have woken him up. </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Hòa tan hết 6g hợp kim Cu – Ag trong dung dịch HNO3 tạo ra được 14,68g hỗn hợp muối Cu(NO3)2 và AgNO3. Thành phần % khối lượng của hợp kim là
A. 50% Cu và 50% Ag..
B. 64% Cu và 36 % Ag.
C. 36% Cu và 64% Ag
D. 60% Cu và 40% Ag Đáp án là: B. 64% Cu và 36 % Ag. </s>
|
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1,
1,
1,
1,
1,
1,
1,
1,
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1,
1,
1,
1,
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1,
1,
1,
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1,
1,
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1,
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1,
1,
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1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
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1,
1,
1,
1,
1,
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1,
1,
1,
1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1
] |
<s> Chọn đáp án đúng với câu hỏi: Loại tài nguyên khôi phục được là
A. Khoáng sản
B. Năng lượng mặt trời, không khí, nước
C. Đất trồng, các loài động và thực vật
D. Khí hậu Đáp án là: C. Đất trồng, các loài động và thực vật </s>
|
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2,
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1,
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1,
1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
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1,
1,
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1,
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1,
1,
1,
1,
1,
1,
1,
1,
1
] |
<s> Chọn đáp án đúng với câu hỏi: Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions
A. ocean
B. commercial
C. necessary
D. technician Đáp án là: C. necessary </s>
|
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1,
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<s> Chọn đáp án đúng với câu hỏi: Nguyên tắt thu sóng điện từ dựa vào?
A. Hiện tượng cộng hưởng điện trong mạch LC
B. Hiện tượng bức xạ sóng điện trừ của mạch dao động hở
C. Hiện tượng hấp thụ sóng điện rừ của môi trường
D. Hiện tượng dao thoa sóng điện từ Đáp án là: A. Hiện tượng cộng hưởng điện trong mạch LC </s>
|
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1,
1,
1,
1,
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1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
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1,
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1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
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1,
1,
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1,
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1,
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] |
<s> Chọn đáp án đúng với câu hỏi: Biết tỉ số phần trăm nước trong dưa chuột là 92,8%. Lượng nước trong 5 kg dưa chuột là:
A. 6,44 kg;
B. 4,64 kg;
C. 5,38 kg;
D. 1,9 kg. Đáp án là: B. 4,64 kg; </s>
|
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1
] |
<s> Chọn đáp án đúng với câu hỏi: Điền từ/cụm từ thích hợp vào chỗ trống để hoàn thiện nghĩa của câu sau: "Châu chấu...(1)..., tuyến sinh dục dạng...(2)..., tuyến phụ sinh dục dạng...(3)...."
A. (1): lưỡng tính; (2): ống; (3): chùm
B. (1): phân tính; (2): chùm; (3): ống
C. (1): lưỡng tính; (2): chùm; (3): ống
D. (1): phân tính; (2): ống; (3): chùm Đáp án là: B. (1): phân tính; (2): chùm; (3): ống </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Việc làm nào dưới đây có thể giúp chúng ta chống nóng hiệu quả?
A. Uống nước giải khát có ga
B. Tắm nắng
C. Mặc quần áo dày dặn bằng vải nilon
D. Trồng nhiều cây xanh Đáp án là: D. Trồng nhiều cây xanh </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Đâu là quê quán của nhà thơ Hữu Thỉnh?
A. Thái Nguyên
B. Hưng Yên
C. Vĩnh Phúc
D. Hà Nội Đáp án là: C. Vĩnh Phúc </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Vận tốc trong dao động điều hòa có độ lớn cực đại khi
A. li độ có độ lớn cực đại.
B. gia tốc cực đại.
C. li độ bằng 0.
D. li độ bằng biên độ. Đáp án là: C. li độ bằng 0. </s>
|
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1,
1
] |
<s> Chọn đáp án đúng với câu hỏi: Khi một chùm sáng đơn sắc truyền từ không khí vào thủy tinh thì
A. màu sắc thay đổi, tần số không đổi, bước sóng giảm
B. màu sắc thay đổi, tần số không đổi, bước không đổi
C. màu sắc không đổi, tần số không đổi, bước sóng giảm.
D. màu sắc không đổi, tần số không đổi, bước sóng tăng. Đáp án là: C. màu sắc không đổi, tần số không đổi, bước sóng giảm. </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Cho các chất: C a ( H C O 3 ) 2, N H 4 C l, ( N H 4 ) 2 C O 3, Z n S O 4, A l ( O H ) 3, Z n ( O H ) 2. Số chất trong dãy có tính chất lưỡng tính là
A. 3.
B. 5.
C. 4.
D. 2. Đáp án là: C. 4. </s>
|
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1
] |
<s> Chọn đáp án đúng với câu hỏi: 7 lít gấp lên 6 lần thì được
A. 13 lít
B. 14 lít
C. 42 lít
D. 48 lít Đáp án là: C. 42 lít </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Nitơ có những đặc điểm về tính chất như sau: (a) Nguyên tử nitơ có 5 electron ở lớp ngoài cùng nên chỉ có khả năng tạo hợp chất cộng hóa trị trong đó nitơ có số oxi hóa +5 và –3. (b) Khí nitơ tương đối trơ ở nhiệt độ thường. (c) Nitơ là phi kim tương đối hoạt động ở nhiệt độ cao. (d) Nitơ thể hiện tính oxi hóa khi tác dụng với kim loại mạnh và hiđro. (e) Nitơ thể hiện tính khử khi tác dụng với nguyên tố có độ âm điện lớn hơn. Nhóm nào sau đây chỉ gồm các câu đúng?
A. a, b, d, e
B. a, c, d
C. a, b, c
D. b, c, d, e Đáp án là: D. b, c, d, e </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Người ta thả miếng đồng có khối lượng 2kg vào 1 lít nước. Miếng đồng nguội đi từ 80°C đến 10°C. Hỏi nước đã nhận được một nhiệt lượng bao nhiêu từ đồng và nóng lên thêm bao nhiêu độ? Lấy C Cu = 380 J/kg.K, C H2O = 4200 J/kg.K.
A. 6,333°C
B. 6,333K
C. 9,4K
D. 9,4K Đáp án là: A. 6,333°C </s>
|
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<s> Chọn đáp án đúng với câu hỏi: hiện ở ý nào sau đây?
A. Số lượng các thành viên liên tục tăng.
B. Không ngừng mở rộng về không gian lãnh thổ.
C. Sự hợp tác liên kết được mở rộng và chặt chẽ hơn.
D. Chênh lệch trình độ phát triển kinh tế ngày càng tăng. Đáp án là: D. Chênh lệch trình độ phát triển kinh tế ngày càng tăng </s>
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1,
1,
1,
1,
1,
1,
1,
1,
1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
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1,
1,
1,
1,
1
] |
<s> Chọn đáp án đúng với câu hỏi: Mark the word whose underlined part differs from the other three in pronunciation
A. br ea k Mark the word whose underlined part differs from the other three in pronunciation
B. m ea nt
C. br ea kfast
D. h ea d Đáp án là: A. br ea k Mark the word whose underlined part differs from the other three in pronunciation </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Hung used to go swimming during summer months when he ______ young.
A. is
B. has been
C. had been
D. was Đáp án là: D. was </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Vào năm 1832, phenol (C 6 H 5 OH) lần đầu tiên được tách ra từ nhựa than đá. Phenol rất độc. Khi con người ăn phải thực phẩm có chứa phenol có thể bị ngộ độc cấp, tiêu chảy, rối loạn ý thức, thậm chí tử vong. Ở dạng lỏng, phenol không có khả năng phản ứng với
A. KCl
B. nước brom.
C. dung dịch KOH đặc.
D. kim loại K Đáp án là: A. KCl </s>
|
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<s> Chọn đáp án đúng với câu hỏi: The (8)__________ choose what they want and take them to the checkout counter.
A. customers
B. managers
C. assistants
D. sellers Đáp án là: A. customers </s>
|
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<s> Chọn đáp án đúng với câu hỏi: What is the writer’s main aim in writing the text?
A. to describe different ways of keeping fit
B. to talk about the exercise classes she goes to
C. to persuade people of the benefits of exercise
D. to encourage people to take exercise Đáp án là: D. to encourage people to take exercise </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Viết phương trình hóa học của kim loại sắt tác dụng với dung dịch axit sunfuric loãng biết sản phẩm là sắt (II) sunfat và có khí bay lên
A. F e + H 2 S O 4 → F e S O 4 + H 2
B. F e + H 2 S O 4 → F e 2 S O 4 + H 2
C. F e + H 2 S O 4 → F e S O 4 + S 2
D. F e + H 2 S O 4 → F e S O 4 + H 2 S Đáp án là: A. F e + H 2 S O 4 → F e S O 4 + H 2 </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Căn cứ vào Atlat Địa lí Việt Nam trang 26, cho biết nhận xét nào sau đây đúng về tự nhiên của Đồng bằng sông Hồng?
A. Bề mặt tương đối bằng phẳng, rộng.
B. Có nhiều bãi cát, đầm lầy ven biển.
C. Khoáng sản đa dạng và phong phú.
D. Mạng lưới sông, kênh rạch dày đặc. Đáp án là: A. Bề mặt tương đối bằng phẳng, rộng. </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Oxi trong quang hợp được sinh ra từ phản ứng nào?
A. Quang phân li nước
B. Khử CO 2
C. P hân giải ATP
D. Oxi hoá glucozơ Đáp án là: A. Quang phân li nước </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Hỗn hợp A gồm FeO, Fe 2 O 3, Fe 3 O 4 (trong đó số mol FeO bằng số mol Fe 2 O 3 ). Hòa tan 4,64 gam A trong dung dịch H 2 SO 4 loãng dư được 200 ml dung dịch X. Tính thể tích dung dịch KMnO 4 0,1M cần thiết để chuẩn độ hết 100 ml dung dịch X?
A. 0,1 l
B. 0,12 l
C. 0,02 l
D.0,24 l Đáp án là: C. 0,02 l </s>
|
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
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1,
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<s> Chọn đáp án đúng với câu hỏi: Khi nói về tia tử ngoại, phát biểu nào dưới đây là sai?
A. Tia tử ngoại có tác dụng mạnh lên kính ảnh
B. Tia tử ngoại có bản chất là sóng điện từ
C. Tia tử ngoại có bước sóng lớn hơn bước sóng của ánh sáng tím
D. Tia tử ngoại bị thuỷ tinh hấp thụ mạnh và làm ion hoá không khí Đáp án là: C. Tia tử ngoại có bước sóng lớn hơn bước sóng của ánh sáng tím </s>
|
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] |
<s> Chọn đáp án đúng với câu hỏi: Trong các kim loại sau: Na, Be, Li, Mg, Ba, K, Sr, Ca; số kim loại tác dụng với nước ở điều kiện thường là
A. 5.
B. 4.
C. 6.
D. 3. Đáp án là: C. 6. </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Trong thí nghiệm về sóng dừng, trên một sợi dây đàn hồi dài 1,2m với hai đầu cố định, người ta quan sát thấy ngoài hai đầu dây cố định còn có hai điểm khác trên dây không dao động. Biết khoảng thời gian giữa hai lần liên tiếp với sợi dây duỗi thẳng là 0,05 s. Vận tốc truyền sóng trên dây là.
A. 8 m/s.
B. 4m/s
C. 12 m/s.
D. 16 m/s. Đáp án là: A. 8 m/s. </s>
|
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1,
1,
1,
1,
1
] |
<s> Chọn đáp án đúng với câu hỏi: Protective gloves _______ all the time when you treat these chemicals.
A. wear
B. must be worn
C. should wear
D. have worn Đáp án là: B. must be worn </s>
|
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1
] |
<s> Chọn đáp án đúng với câu hỏi: Tìm x, biết: 62 – (2x – 3):3 = 23
A. x = 8;
B. x = 60;
C. x = 6;
D. x = 80. Đáp án là: B. x = 60; </s>
|
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<s> Chọn đáp án đúng với câu hỏi: I educational courses for business and professional men and women in New York since I moved there.
A. conducted
B. am conducting
C. will conduct
D. have been conducting Đáp án là: D. have been conducting </s>
|
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1,
1,
1
] |
<s> Chọn đáp án đúng với câu hỏi: Biển Đông nằm trong vùng khí hậu
A. cận nhiệt đới gió mùa
B. nhiệt đới ẩm gió mùa
C. Xích đạo và cận Xích đạo.
D. Ôn đới Hải Dương và cận nhiệt gió mùa Đáp án là: B. nhiệt đới ẩm gió mùa </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Đốt cháy hoàn toàn 40,08 gam hỗn hợp X gồm axit metacrylic, axit ađipic, axit axetic và glixerol (trong đó số mol của axit metacrylic bằng số mol của axit axetic) bằng O 2 dư, thu được hỗn hợp Y gồm khí và hơi. Dẫn Y vào dung dịch chứa 1,14 mol Ba(OH) 2, thu được 147,75 gam kết tủa và dung dịch Z. Đun nóng Z lại xuất hiện kết tủ A. Cho 40,08 gam hỗn hợp X tác dụng với 140 ml dung dịch KOH 3M, sau khi các phản ứng xảy ra hoàn toàn, cô cạn dung dịch thu được chất rắn khan có khối lượng là
A. 56,04 gam.
B. 57,12 gam.
C. 43,32 gam.
D. 39,96 gam. Đáp án là: C. 43,32 gam. </s>
|
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] |
<s> Chọn đáp án đúng với câu hỏi: Nếu hai tam giác đồng dạng với nhau thì: Chọn phát biểu sai trong các phát biểu sau?
A. Tỉ số hai đường cao tương ứng bằng tỉ số đồng dạng.
B. Tỉ số hai đường phân giác tương ứng bằng tỉ số đồng dạng.
C. Tỉ số hai đường trung tuyến tương ứng bằng tỉ số đồng dạng.
D. Tỉ số các chu vi bằng 2 lần tỉ số đồng dạng. Đáp án là: D. Tỉ số các chu vi bằng 2 lần tỉ số đồng dạng </s>
|
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1,
1,
1,
1,
1,
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1,
1,
1,
1,
1,
1,
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1,
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1,
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] |
<s> Chọn đáp án đúng với câu hỏi: A. wardrobe s
B. kitchen s
C. bedroom s
D. lamp s Đáp án là: D. lamp s </s>
|
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[
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1,
1,
1,
1,
1,
1
] |
<s> Chọn đáp án đúng với câu hỏi: Có 4 dung dịch riêng biệt: CuSO 4, ZnCl 2, FeCl 3, AgNO 3. Nhúng vào mỗi dung dịch một thanh Ni. Số trường hợp xuất hiện ăn mòn điện hoá là
A. 2.
B. 1.
C. 4.
D. 3. Đáp án là: A. 2. </s>
|
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[
1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
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1,
1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1
] |
<s> Chọn đáp án đúng với câu hỏi: Đọc truyện cười sau và trả lời câu hỏi: CHÓ TREO MÈO ĐẬY – Mợ: Con ở nhà trông mâm cơm. Nhớ là chó treo mèo đậy đấy. Mợ phải đi đàng này một lát.Một lát sau...– Mợ: Thế nào xong chưa con?– Quỷnh: Dạ xong rồi ạ! Mợ bảo chó treo mèo đậy nên con treo chó và đậy mèo mà! (Truyện cười dân gian Việt Nam) Nhân vật Quỷnh đã vi phạm phương châm gì trong giao tiếp?
A.Phương châm về chất
B.Phương châm về lượng
C.Phương châm cách thức
D.Phương châm quan hệ Đáp án là: D.Phương châm quan hệ </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Trong trường hợp liên kết hoàn toàn và mỗi gen quy định một tính trạng, alen trội là hoàn toàn. Phép lai nào sau đây cho tỉ lệ kiểu hình ở đời con là 100%?
A. A b a B x a b a b
B. A B a b x A B a b
C. A B a b x a b a b
D. a b a b x a b a b Đáp án là: D. a b a b x a b a b </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Khi nói về mối quan hệ giữa các cá thể cùng loài, có bao nhiêu phát biểu sau đây đúng? I. Khi mật độ cá thể quá cao và nguồn sống khan hiếm thì sự cạnh tranh cùng loài giảm. II. Cạnh tranh cùng loài giúp duy trì ổn định số lượng cá thể của quần thể, cân bằng với sức chứa của môi trường. III. Cạnh tranh cùng loài làm thu hẹp ổ sinh thái của loài. IV. Sự gia tăng mức độ cạnh tranh cùng loài sẽ làm tăng tốc độ tăng trưởng của quần thể.
A. 1
B. 2
C. 3
D. 4 Đáp án là: A. 1 </s>
|
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
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1,
1,
1
] |
<s> Chọn đáp án đúng với câu hỏi: Cho các phát biểu sau: (1) Điện phân dung dịch NaCl (điện cực trơ), thu được Na tại catot. (2) Có thể dùng Ca(OH) 2 làm mất tính cứng của nước cứng tạm thời. (3) Thạch cao nung có công thức là CaSO 4.2H 2 O. (4) Trong công nghiệp, Al được sản xuất bằng cách điện phân nóng chảy Al 2 O 3. (5) Điều chế Al(OH) 3 bằng cách cho dung dịch AlCl 3 tác dụng với dung dịch NH 3. Số phát biểu đúng là
A. 5
B. 2
C. 4
D. 3 Đáp án là: D. 3 </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Viết biểu thức (x−3y)(x^2+3xy+9y^2) dưới dạng hiệu hai lập phương
A. x^3+(3y)^3
B. x^3+(9y)^3
C. x^3-(3y)^3
D. x^3-(9y)^3 Đáp án là: C. x^3-(3y)^3 </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Cho luồng khí H 2 (dư) qua hỗn hợp các oxit CuO, Fe 2 O 3, ZnO, MgO nung ở nhiệt độ cao. Sau phản ứng hỗn hợp rắn còn lại là
A. Cu, FeO, ZnO, MgO
B. Cu, Fe, Zn, Mg
C. Cu, Fe, ZnO, MgO
D. Cu, Fe, Zn, MgO Đáp án là: D. Cu, Fe, Zn, MgO </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Khi nói về đột biến gen, phát biểu nào sau đây không đúng?
A. Đột biến gen làm thay đổi tần số alen của quần thể theo một hướng xác định
B. Giá trị thích nghi của gen đột biến phụ thuộc vào môi trường sống
C. Đột biến gen cung cấp nguồn biến dị sơ cấp cho quá trình tiến hóa
D. Tốc độ đột biến gen phụ thuộc vào cường độ tác nhân gây đột biến Đáp án là: A. Đột biến gen làm thay đổi tần số alen của quần thể theo một hướng xác định </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Some subjects are compulory, including English and matchematics, and you can select (27)_____,
A. other
B. each other
C. another
D. others Đáp án là: D. others </s>
|
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<s> Chọn đáp án đúng với câu hỏi: The airport is in a chaotic situation because the announcement caused momentous confusion among the passengers.
A. chaotic
B. announcement
C. momentous
D. passengers. Đáp án là: C. momentous </s>
|
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] |
<s> Chọn đáp án đúng với câu hỏi: Thông thường, khi ta bóc vỏ cây thân gỗ thì những thành phần nào sẽ bị loại bỏ khỏi cây?
A. Biểu bì và thịt vỏ
B. Biểu bì, thịt vỏ và mạch gỗ
C. Biểu bì, thịt vỏ và mạch rây
D. Mạch rây và mạch gỗ Đáp án là: B. Biểu bì, thịt vỏ và mạch gỗ </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Phát biểu nào sau đây đúng?
A. Dung dịch glucozo không lảm mất màu nước brom.
B. Glucozo, saccarozo và fructozo đều tham gia phản ứng tráng bạc.
C. Glucozo, saccarozo và fructozo đều phản ứng với Cu(OH) 2 tạo dung dịch xanh lam.
D. Hồ tinh bột tác dụng với I 2 tạo ra sản phẩm có màu xanh tím khi đun nóng. Đáp án là: C. Glucozo, saccarozo và fructozo đều phản ứng với Cu(OH) 2 tạo dung dịch xanh lam. </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Ở máy hàn điện người ta dùng máy biến thế để giảm hiệu điện thế xuống còn 20V. Cho biết hiệu điện thế của mạng điện là 220V. Tỉ lệ số vòng dây của các cuộn dây tong máy biến thế này là :
A. 11
B. 21
C. 31
D. 41 Đáp án là: A. 11 </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Động năng được tính bằng biểu thức:
A. W d = 1⁄2 m 2 v 2
B. W d = 1⁄2 m 2 v
C. W d = 1⁄2 mv 2
D. W d = 1⁄2 mv Đáp án là: C. W d = 1⁄2 mv 2 </s>
|
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<s> Chọn đáp án đúng với câu hỏi: He is capable _______ learning a poem by heart in less than 5 minutes.
A. to
B. at
C. of
D.a Đáp án là: C. of </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Với a, b là các số thực dương tùy ý thỏa mãn log_3a – 2log_9b = 2, mệnh đề nào dưới đây đúng?
A. a = 9b^4
B. a = 9b
C. a = 6b
D. a = 9b^2. Đáp án là: B. a = 9b </s>
|
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<s> Chọn đáp án đúng với câu hỏi: All of the following statements are true EXCEPT ________.
A. Awards vary in monetary value
B. Ceremonies are held on December 10 to commemorate Nobel’s invention.
C. Politics plays an important role in selecting the winners.
D. A few individuals have won two awards. Đáp án là: B. Ceremonies are held on December 10 to commemorate Nobel’s invention. </s>
|
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2,
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<s> Chọn đáp án đúng với câu hỏi: Tiến hành phản ứng khử oxi X thành kim loại bằng khí H 2 dư theo sơ đồ hình vẽ: Oxit X không thể là
A. MgO.
B. CuO.
C. PbO.
D. Fe 3 O 4. Đáp án là: A. MgO. </s>
|
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1,
1,
1
] |
<s> Chọn đáp án đúng với câu hỏi: Một con lắc lò xo đang dao động điều hòa. Gia tốc của vật nhỏ của con lắc có độ lớn tỉ lệ thuận với:
A. độ lớn vận tốc của vật.
B. độ lớn li độ của vật.
C. biên độ dao động của con lắc.
D. chiều dài lò xo của con lắc. Đáp án là: B. độ lớn li độ của vật. </s>
|
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] |
<s> Chọn đáp án đúng với câu hỏi: Ở mặt trận phía Đông vào năm 1915, quân Đức cùng quân Áo - Hung và quân Nga đang ở trong thế
A. Đức loại bỏ được Nga ra khỏi chiến tranh.
B. Nga loại bỏ quân Áo - Hung ra khỏi chiến tranh.
C. Cầm cự trong một mặt trận dài 1200 km.
D. Nga hoàng khủng hoảng nghiêm trọng. Đáp án là: C. Cầm cự trong một mặt trận dài 1200 km. </s>
|
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<s> Chọn đáp án đúng với câu hỏi: The smell was so bad that it completely ________ us off our food.
A. set
B. took
C. got
D. put Đáp án là: D. put </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Nhân tố nào sau đây có tác động tích cực nhất đến sự phát triển ngành thuỷ sản của nước ta?
A. Đổi mới về chính sách của Nhà nước.
B. Phát triển các loại hình dịch vụ thuỷ sản.
C. Nhu cầu về mặt hàng thuỷ sản tăng lên.
D. Cơ sở chế biến, đánh bắt được nâng cao. Đáp án là: A. Đổi mới về chính sách của Nhà nước. </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Nhiệt phân F e ( O H ) 2 trong không khí đến khi khối lượng chất rắn không thay đổi, thu được
A. F e 2 O 3
B. FeO
C. F e 3 O 4
D. F e ( O H ) 3 Đáp án là: A. F e 2 O 3 </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Số dân và tỉ lệ dân thành thị có xu hướng
A. số dân thành thị tăng, tỉ lệ dân thành thị tăng.
B. số dân thành thị tăng, tỉ lệ dân thành thị giảm.
C. số dân thành thị giảm, tỉ lệ dân thành thị giảm.
D. số dân thành thị giảm, tỉ lệ dân thành thị tăng. Đáp án là: A. số dân thành thị tăng, tỉ lệ dân thành thị tăng. </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Đoạn văn sau sử dụng những phép liên kết câu nào? Đến lúc chia tay, mang ba lô trên vai, sau khi bắt tay hết mọi người, anh Sáu mới đưa mắt nhìn con, thấy nó đứng trong góc nhà. Chắc anh cũng muốn ôm con, hôn con, nhưng hình như cũng lại sợ nó giẫy lên lại bỏ chạy, nên anh chỉ đứng nhìn nó. Anh nhìn với đôi mắt trìu mến lẫn buồn rầu. Tôi thấy đôi mắt mênh mông của con bé bỗng xôn xao.
A. Phép lặp, phép thế
B. Phép lặp, phép nối
C. Phép thế, phép trái nghĩa.
D. Phép trái nghĩa, phép đồng nghĩa Đáp án là: B. Phép lặp, phép nối </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Điều nào không đúng với việc làm biến đổi hệ gen của một sinh vật?
A. Đưa thêm một gen lạ vào hệ gen
B. Loại bỏ hay bất hoạt một gen nào đó
C. Làm biến đổi gen đã có sẵn trong hệ gen.
D. Tạo môi trường cho gen nào đó biểu hiện khác thường Đáp án là: D. Tạo môi trường cho gen nào đó biểu hiện khác thường </s>
|
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] |
<s> Chọn đáp án đúng với câu hỏi: Hãy chọn câu đúng. Nếu tam giác ABC đồng dạng với tam giác MNP theo tỉ số k thì tam giác MNP đồng dạng với tam giác ABC theo tỉ số:
A. 1/(k^2)
B. 1/(k)
C. k^2
D. k Đáp án là: B. 1/(k) </s>
|
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1,
1,
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1,
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<s> Chọn đáp án đúng với câu hỏi: Since 1970, the United Nations has been celebrating April 22 nd as Earth Day. It attracts millions of people worldwide to join in to promote public awareness of environmental protection.
A. Since 1970, the UNs has been celebrating April 22 nd as Earth Day because it attracts millions of people worldwide to join in to promote public awareness of environmental protection.
B. The UNs has been celebrating April 22 nd as Earth Day, which millions of people worldwide are attracted to join in it to promote public awareness of environmental protection.
C. Since 1970, the UNs has been celebrating April 22 nd as Earth Day, which attracts millions of people worldwide to join in to promote public awareness of environmental protection.
D. Since 1970, the UNs has been celebrating April 22 nd as Earth Day so that more people join in to promote public awareness of environmental protection. Đáp án là: C. Since 1970, the UNs has been celebrating April 22 nd as Earth Day, which attracts millions of people worldwide to join in to promote public awareness of environmental protection. </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Mark the letter A, B, C or D to indicate the word whose underlined part differs from the other three in the position of primary stress in each of the following questions.
A. compulsory
B. nursery
C. curriculum
D. certificate Đáp án là: B. nursery </s>
|
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<s> Chọn đáp án đúng với câu hỏi: A large crowd of reporters ______ outside the prime minister’s house.
A. collected
B. reunited
C. convened
D. dispersed Đáp án là: A. collected </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Từ sau năm 1954 đến 1964 ông làm công việc gì?
A. Bộ đội trên chiến trường Trường Sơn
B. Cán bộ tuyên huấn
C. Giao liên
D. Tất cả các phương án trên đều sai Đáp án là: B. Cán bộ tuyên huấn </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Xác định bố cục của văn bản là 3 phần. Riêng về phần thân bài, hãy chỉ ra các ý lớn?
A. Nêu lên bài toán cố và dần đến kết luận: Mỗi ô bàn cờ ban đầu chỉ một vài hạt thóc, tưởng là ít, nhưng nếu sau đó cứ gấp đôi lên theo cấp số nhân thì số thóc của cả bàn cờ là một con số khủng khiếp.
B. So sánh sự gia tăng dân số giống như lượng thóc trong các ô bàn cờ. Ban đầu chỉ là hai người thế mà năm 1995 đã là 5,63 tỉ người đủ cho ô thứ 30 của bàn cờ ấy.
C. Thực tế mỗi phụ nữ lại sinh ra rất nhiều con (hơn hai rất nhiều), vì thế chi tiêu mỗi gia đình chi có một đến hai con là rất khó thực hiện.
D. Câu A, B, C đều đúng Đáp án là: D. Câu A, B, C đều đúng </s>
|
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] |
<s> Chọn đáp án đúng với câu hỏi: Một chất điểm dao động điểu hòa trên trục Ox theo phương trình x = 5 cos ( 4 πt ) (x tính bằng cm, t tính bằng s). Tại thời điểm t = 5 s, vận tốc của chất điểm này có giá trị bằng
A. - 20 π ( cm / s )
B. 0 (cm/s)
C. 20 π ( cm / s )
D. 5 (cm/s) Đáp án là: A. - 20 π ( cm / s ) </s>
|
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1,
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1,
1,
1,
1,
1,
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1,
1,
1,
1,
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1,
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1,
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1,
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1,
1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
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1,
1,
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] |
<s> Chọn đáp án đúng với câu hỏi: Kết quả phân tích đa thức thành nhân tử của x(x – 4) + 3(4 – x) là
A. (x – 3)(x – 4)
B. (x + 3)(x – 4)
C. (x – 4)(3 – x)
D. (4 + x)(x – 3) Đáp án là: A. (x – 3)(x – 4) </s>
|
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] |
<s> Chọn đáp án đúng với câu hỏi: Hình vẽ mô tả đoạn dây dẫn AB và lực từ tác dụng lên đoạn dây dân đó đều nằm trong mặt phẳng hình vẽ. Từ chiều của lực từ và chiều của dòng điện đã chỉ ra trong hình về thì đường sức từ
A. nằm trong mặt phẳng hình vẽ và có chiều từ trái sang phải.
B. nằm trong mặt phẳng hình vẽ và có chiều từ phải sang trái.
C. vuông góc với mặt phẳng hình vẽ và hướng từ trước ra sau.
D. vuông góc với mặt phẳng hình vẽ và hướng từ sau ra trước Đáp án là: D. vuông góc với mặt phẳng hình vẽ và hướng từ sau ra trước </s>
|
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<s> Chọn đáp án đúng với câu hỏi: You should turn off the lights before going out to save _______.
A. electricity
B. electrify
C. electric
D. electrically Đáp án là: A. electricity </s>
|
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[
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<s> Chọn đáp án đúng với câu hỏi: It was no accident that he broke my glasses. He did it _______ purpose.
A. with
B. on
C. by
D. about Đáp án là: B. on </s>
|
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[
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<s> Chọn đáp án đúng với câu hỏi: Nội dung nào phản ánh đúng về tình hình ở Lào vào năm 1937?
A. Cuộc khởi nghĩa của nhân dân ở vùng biên giới Việt – Lào kết thúc
B. Cuộc khởi nghĩa do Ong Kẹo và Commađam lãnh đạo kết thúc
C. Cuộc khởi nghĩa do Phacađuốc lãnh đạo kết thúc
D. Các cuộc khởi nghĩa bị thực dân Pháp đàn áp. Đáp án là: B. Cuộc khởi nghĩa do Ong Kẹo và Commađam lãnh đạo kết thúc </s>
|
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2,
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1,
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1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
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1,
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1,
1,
1,
1,
1,
1,
1,
1,
1
] |
<s> Chọn đáp án đúng với câu hỏi: Một nguồn O phát sóng cơ có tần số 10 Hz truyền theo mặt nước theo đường thẳng với V = 60 cm/s. Gọi M và N là điểm trên phương truyền sóng cách O lần lượt 20 cm và 45 cm. Trên đoạn MN có bao nhiêu điểm dao động lệch pha với nguồn O góc π 3?
A. 4
B. 2
C. 3
D. 5 Đáp án là: A. 4 </s>
|
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1,
1,
1,
1,
1,
1,
1
] |
<s> Chọn đáp án đúng với câu hỏi: Thể tích của một khối gỗ hình lập phương có cạnh 2 cm là:
A. 4 dm
B. 4 dm^2
C. 8 dm^3
D. 8 dm^2 Đáp án là: C. 8 dm^3 </s>
|
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1,
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1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1
] |
<s> Chọn đáp án đúng với câu hỏi: Where is Lan? _ Perhaps she is working.
A. She may be working.
B. She can be working.
C. She must be working.
D. She will be working. Đáp án là: C. She must be working. </s>
|
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[
1,
1,
1,
1,
1,
1,
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1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1
] |
<s> Chọn đáp án đúng với câu hỏi: Cho đoạn thẳng AB = 4,5cm và điểm C nằm giữa hai điểm A và B. Biết AC=2/3CB. Tính độ dài đoạn thẳng AC và BC.
A. BC = 2,7cm; AC = 1,8cm.
B. BC = 1,8cm; AC = 2,7cm.
C. BC = 1,8cm; AC = 1,8cm.
D. BC = 2cm; AC = 3cm. Đáp án là: A. BC = 2,7cm; AC = 1,8cm. </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Vectơ cường độ điện trường tại một điểm do điện tích điểm Q gây ra có
A. phương vuông góc với đường thẳng nối tâm điện tích Q và điểm cần xét.
B. chiều hướng ra xa nếu Q dương.
C. độ lớn phụ thuộc vào độ lớn điện tích thử đặt tại điểm đó.
D. độ lớn tính theo công thức. Đáp án là: B. chiều hướng ra xa nếu Q dương. </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Truyện Đẽo cày giữa đường phê phán đối tượng nào?
A. Những kẻ ham ăn lười làm
B. Những kẻ thiếu hiểu biết
C. Những kẻ không có chính kiến
D. Những kẻ tự phụ, coi thường người khác Đáp án là: C. Những kẻ không có chính kiến </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Đặc điểm nào sau đây không có ở đột biến thay thế 1 cặp nucleotit?
A. Dễ xảy ra hơn so với dạng đột biến gen khác.
B. Có nhiều thể đột biến hơn so với các dạng đột biến gen khác.
C. Chỉ có thể làm thay đổi thành phần nucleotit của một bộ ba.
D. Thường gây hậu quả nghiêm trọng so với các dạng đột biến gen khác. Đáp án là: D. Thường gây hậu quả nghiêm trọng so với các dạng đột biến gen khác </s>
|
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1,
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1,
1,
1
] |
<s> Chọn đáp án đúng với câu hỏi: Cho 24,3 gam bột A l vào 225ml dung dịch hỗn hợp NaNO 3 1 M và NaOH 3M khuấy đều cho đến khi khí ngừng thoát ra thì dùng lại và thu được V lít khí (đktc). Giá trị của V là:
A. 22,68 lít
B. 19,072 lít
C. 13,44 lít
D. 15,12 l ít Đáp án là: B. 19,072 lít </s>
|
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2,
2
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<s> Chọn đáp án đúng với câu hỏi: Kim loại M phản ứng với oxi để tạo thành oxit. Khối lượng oxi đã phản ứng bằng 40% khối lượng kim loại đã dùng. Kim loại M là:
A. Na
B. Ca
C. Fe
D. Al Đáp án là: B. Ca </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Khi oxi hóa 6,9 gam ancol etylic bởi CuO, t o (hiệu suất phản ứng là 80%) thu được m gam anđehit axetic. Giá trị của m là
A. 9,0 gam.
B. 6,6 gam.
C. 5,28 gam.
D. 7,2 gam. Đáp án là: C. 5,28 gam. </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Phát biểu nào sau đây là không đúng?
A. Ta luôn có tia khúc xạ khi tia sáng đi từ môi trường có chiết suất nhỏ sang môi trường có chiết suất lớn hơn
B. Ta luôn có tia khúc xạ khi tia sáng đi từ môi trường có chiết suất lớn sang môi trường có chiết suất nhỏ hơn
C. Khi chùm tia sáng phản xạ toàn phần thì không có chùm tia khúc xạ.
D. Khi có sự phản xạ toàn phần, cường độ sáng của chùm phản xạ gần như bằng cường độ sáng của chùm sáng tới Đáp án là: B. Ta luôn có tia khúc xạ khi tia sáng đi từ môi trường có chiết suất lớn sang môi trường có chiết suất nhỏ hơn </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Cường độ âm được đo bằng
A. oát trên mét vuông.
B. oát.
C. niutơn trên mét vuông.
D. niutơn trên mét Đáp án là: A. oát trên mét vuông. </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Tâm đối xứng I của đồ thị hàm số y=(x+1)/(x+3) là
A. I(−3;1)
B. I(1;−3)
C. y=1
D. x=−3 Đáp án là: A. I(−3;1) </s>
|
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] |
<s> Chọn đáp án đúng với câu hỏi: Nhiệt phân các muối sau : NH 4 Cl, (NH 4 ) 2 CO 3, NH 4 NO 3, NH 4 HCO 3. Trường hợp nào xảy ra phản ứng oxi hoá - khử?
A. (NH 4 ) 2 CO 3
B. NH 4 Cl.
C. NH 4 HCO 3.
D. NH 4 NO 3 Đáp án là: D. NH 4 NO 3 </s>
|
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1,
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1,
1,
1
] |
<s> Chọn đáp án đúng với câu hỏi: Khẳng định nào sau đây là đúng? Khi điện áp giữa hai đầu đoạn mạch RLC mắc nối tiếp sớm pha π 4 đối với dòng điện trong mạch thì
A. tần số của dòng điện trong mạch nhỏ hơn giá trị cần xảy ra hiện tượng cộng hưởng.
B. tổng trở của mạch bằng hai lần thành phần điện trở thuần R của mạch.
C. hiệu số giữa cảm kháng và dung kháng bằng điện trở thuần của mạch.
D. điện áp giữa hai đầu điện trở sớm pha π 4 so với điện áp giữa hai đầu tụ điện. Đáp án là: C. hiệu số giữa cảm kháng và dung kháng bằng điện trở thuần của mạch. </s>
|
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1,
1,
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1,
1,
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1,
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1,
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1,
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1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
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1,
1,
1,
1,
1,
1,
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1,
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1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1
] |
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