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preprocess_MCQ

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<s> Chọn đáp án đúng với câu hỏi: “Did you have nice holiday?” - “Yes, it was best holiday I have ever had.” A. the – the B. the – a C. a – the D. a – a Đáp án là: C. a – the </s>
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<s> Chọn đáp án đúng với câu hỏi: Nhờ chính sách và biện pháp đúng đắn, sau năm 2000 nền kinh tế của Liên Bang Nga đã A. Tăng lạm phát, tăng trưởng chậm và rơi vào bất ổn. B. Đạt tốc độ tăng trưởng thần kì, phục hồi nhanh chóng. C. Phát triển chậm lại, tăng trưởng thấp so với thế giới. D. Vượt qua khủng hoảng, dần ổn định và đi lên Đáp án là: D. Vượt qua khủng hoảng, dần ổn định và đi lên </s>
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<s> Chọn đáp án đúng với câu hỏi: Chất nào sau đây thuộc hiđrocacbon? A. C 2 H 5 OH. B. CH 3 CHO. C. C 2 H 5 NH 2. D. C 2 H 6. Đáp án là: D. C 2 H 6 </s>
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<s> Chọn đáp án đúng với câu hỏi: Trong các tên gọi dưới đây, tên nào phù hợp với chất CH 3 CH(CH 3 )NH 2? A. Isopropanamin. B. Metyletylamin. C. Isopropylamin. D. Etylmetylamin. Đáp án là: C. Isopropylamin. </s>
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<s> Chọn đáp án đúng với câu hỏi: Xu hướng phát triển tất yếu của Hội Việt Nam Cách mạng Thanh niên là A. thành lập Đông Dương Cộng sản đảng. B. thành lập An Nam Cộng sản đảng C. thành lập Đảng Cộng sản Việt Nam. D. truyền bá chủ nghĩa Mác - Lênin vào Việt Nam. Đáp án là: C. thành lập Đảng Cộng sản Việt Nam. </s>
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<s> Chọn đáp án đúng với câu hỏi: Choose the letter A, B, C or D to answer these following questions Miss Lam is a teacher. She is tall and thin. Her face is oval. Her hair is long and black. She has big and brown eyes. Her nose is small. Her lips are red and full. She is beautiful. And she is a good teacher, too. Every day, she often leaves home for school at 6:30. She enjoys her lunch at the school canteen. In the afternoon, she sometimes goes to the theater with some close friends of hers. After school, she comes back home at 5:00 pm. Question: What time does she often go to school? A. At six fifteen B. At half past six C. At a quarter to six D. At six forty Đáp án là: B. At half past six </s>
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<s> Chọn đáp án đúng với câu hỏi: Một con lắc lò xo gồm vật nhỏ có khối lượng m và lò xo có độ cứng k, dao động điều hòa. Nếu tăng độ cứng k lên 2 lần và giảm khối lượng m đi 8 lần thì tần số dao động của con lắc sẽ A. tăng 4 lần B. giảm 2 lần C. tăng 2 lần D. giảm 4 lần Đáp án là: A. tăng 4 lần </s>
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<s> Chọn đáp án đúng với câu hỏi: The jury has to decide whether a person is guilty or innocent _______ a crime. A. from B. with C. of D. in Đáp án là: C. of </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 pronunciation in each of the following questions. A. h obby B. h onest C. h onour D. h our Đáp án là: A. h obby </s>
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<s> Chọn đáp án đúng với câu hỏi: Một chất phát quang được kích thích bằng ánh sáng có bước sóng thì phát ra ánh sáng có bước sóng. Giả sử công suất của chùm sáng phát quang bằng 20% công suất của chùm sáng kích thích. Tỉ số giữa số phôtôn ánh sáng phát quang và số phôtôn ánh sáng kích thích trong cùng một khoảng thời gian là: A. 4/5. B. 1/10. C. 1/5. D. 2/5. Đáp án là: A. 4/5. </s>
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<s> Chọn đáp án đúng với câu hỏi: Tính chất nhân dân của cuộc kháng chiến của ta biểu hiện ở A. Nội dung kháng chiến toàn dân của Đảng ta. B. Mục đích kháng chiến của Đảng ta. C. Quyết tâm kháng chiến của toàn thể dân tộc ta. D. Đường lối kháng chiến của Đảng ta Đáp án là: D. Đường lối kháng chiến của Đảng ta </s>
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<s> Chọn đáp án đúng với câu hỏi: Cho các phát biểu sau: (a) Trong dung dịch, glyxin tồn tại chủ yếu ở dạng ion lưỡng cực. (b) Xenlulozơ và triolein đều bị thủy phân trong môi trường axit khi đun nóng. (c) Hiđrat hóa propilen (H +, t o ) thu được sản phẩm chính là ancol bậc hai. (d) Metylamin và anilin đều thể hiện tính bazơ khi tác dụng với dung dịch HCl. (e) Cacbohiđrat và amino axit đều thuộc loại hợp chất hữu cơ tạp chức. Số phát biểu đúng là A. 3 B. 4 C. 5 D. 2. Đáp án là: C. 5 </s>
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<s> Chọn đáp án đúng với câu hỏi: According to the passage, all of the following contributed to the spread of English around the world EXCEPT _________ A. the slave trade B. the Norman invasion C. missionaries D. colonization Đáp án là: B. the Norman invasion </s>
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<s> Chọn đáp án đúng với câu hỏi: Phương trình x(x^2−1)√(x−1)=0 có bao nhiêu nghiệm? A. 0 B. 1 C. 2 D. 3 Đáp án là: B. 1 </s>
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<s> Chọn đáp án đúng với câu hỏi: Ở nước ta có khoảng bao nhiêu loài thực vật có mạch? A. Khoảng trên 12 000 loài B. Khoảng gần 10 000 loài C. Khoảng gần 15 000 loài D. Khoảng trên 20 000 loài Đáp án là: A. Khoảng trên 12 000 loài </s>
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<s> Chọn đáp án đúng với câu hỏi: I - Trắc nghiệm:Kết quả của phép tính 3^6.3^4 là: A. 9^10 B. 3^24 C. 3^10 D. 27^48 Đáp án là: C. 3^10 </s>
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<s> Chọn đáp án đúng với câu hỏi: Tiến hành thí nghiệm theo các bước sau: Bước 1: Cho vào hai bình cầu, mỗi bình 10 ml vinyl axetat. Bước 2: Thêm 10 ml dung dich H 2 SO 4 20% vào bình thứ nhất, 20 ml dung dịch NaOH 30% vào bình thứ hai. Bước 3: Lắc đều cả hai bình, lắp ống sinh hàn rồi đun sôi nhẹ trong khoảng 5 phút, sau đó để nguội. Cho các phát biểu sau: (a) Kết thúc bước 2, chất lỏng trong hai bình đều phân thành hai lớp. (b) Ở bước 3, có thể thay việc đun sôi nhẹ bằng đun cách thủy (ngâm trong nước nóng). (c) Ở bước 3, trong bình thứ hai có xảy ra phản ứng xà phòng hóa. (d) Sau bước 3, trong hai bình đều chứa chất có khả năng tham gia phản ứng tráng bạc. (e) Ống sinh hàn có tác dụng ngăn chặn sự bay hơi của các chất lỏng trong bình cầu. Số phát biểu đúng là A. 5. B. 4. C. 3. D. 2. Đáp án là: B. 4. </s>
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<s> Chọn đáp án đúng với câu hỏi: Để nhận biết 2 lọ mất nhãn đựng CaO và MgO ta dùng: A. HCl B. NaOH C. HNO 3 D. Quỳ tím ẩm Đáp án là: D. Quỳ tím ẩm </s>
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<s> Chọn đáp án đúng với câu hỏi: Would you like ___________ glass of lemonade? A. a B. an C. the D. two Đáp án là: A. a </s>
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<s> Chọn đáp án đúng với câu hỏi: Tom's brother asked him to ________ the music so that he could sleep. A. close down B. go up C. turn down D. stand up Đáp án là: C. turn down </s>
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<s> Chọn đáp án đúng với câu hỏi: Choose the word whose stress pattern is different from the rest A. difficult B. corporate C. different D. engineer Đáp án là: D. engineer </s>
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<s> Chọn đáp án đúng với câu hỏi: Để chứng minh glucozo có nhóm chứa anđehit, có thể dùng một trong ba phản ứng hóa học. Trong các phản ứng sau, phản ứng nào không chứng minh được nhóm chức anđehit của glucozo? A. Khử glucozo bằng H 2 /Ni, t o. B. Oxi hóa glucozo bằng Cu(OH) 2 đun nóng. C. Lên men glucozo bằng xúc tác enzim. D. Oxi hóa glucozo bằng AgNO 3 /NH 3. Đáp án là: C. Lên men glucozo bằng xúc tác enzim. </s>
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<s> Chọn đáp án đúng với câu hỏi: Sự phát triển kinh tế Hoa Kì được mở rộng theo không gian địa lí nào sau đây? A. Từ phía Tây sang phía Đông. B. Từ phía Nam lên vùng Ngũ Hồ. C. Từ Tây Nam lên Tây Bắc. D. Từ Đông Bắc dần xuống ven biển phía Nam. Đáp án là: D. Từ Đông Bắc dần xuống ven biển phía Nam </s>
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<s> Chọn đáp án đúng với câu hỏi: (THPT QG 2017 – Đề chính thức – MĐ 301). Việc đẩy mạnh sản xuất cây công nghiệp và cây đặc sản ở Trung du và miền núi Bắc Bộ có tác động chủ yếu nào sau đây đối với phát triển kinh tế - xã hội? A. Tăng cường xuất khẩu lao động B. Đẩy mạnh phát triển công nghiệp. C. Mở rộng các hoạt động dịch vụ. D. Phát triển nông nghiệp hàng hóa. Đáp án là: D. Phát triển nông nghiệp hàng hóa </s>
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<s> Chọn đáp án đúng với câu hỏi: Hai khe I-âng cách nhau 0,2mm được chiếu bằng ánh sáng trắng có bước sóng 0,40 μ m - 0,75 μ m. Các vân giao thoa được hứng trên màn cách hai khe 1m. Hỏi những điểm nằm cách vân sáng chính giữa 2,7cm có bao nhiêu vân sáng của ánh sáng đơn sắc trùng nhau. A. 5 B. 6 C. 7 D. 8 Đáp án là: B. 6 </s>
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<s> Chọn đáp án đúng với câu hỏi: Cuộc cách mạng công nghiệp lần thứ nhất được khởi đầu tại quốc gia nào? A. Anh. B. Pháp. C. Đức. D. Mỹ. Đáp án là: A. Anh. </s>
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<s> Chọn đáp án đúng với câu hỏi: Châu Âu nằm ở phía nào của lục địa Á-Âu? A. Phía Đông B. Phía Nam C. Phía Bắc D. Phía Tây Đáp án là: D. Phía Tây </s>
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<s> Chọn đáp án đúng với câu hỏi: All of the following are true about the Harijan EXCEPT that ________. A. they used to be known as Untouchables B. they had to do undesirable jobs in society C. any contact between someone from another caste with an Untouchable was considered unacceptable D. anyone from another caste coming to contact with an Untouchable is not allowed to pray at temples Đáp án là: D. anyone from another caste coming to contact with an Untouchable is not allowed to pray at temples </s>
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<s> Chọn đáp án đúng với câu hỏi: ______ 5 months for the fridge to be delivered,I decided to cancel the order. A. Waited B. Having waited C. Having been waited D. To wait Đáp án là: B. Having waited </s>
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<s> Chọn đáp án đúng với câu hỏi: Một vòng dây dẫn kín, ừòn, phẳng không biến dạng (C) đặt trong mặt phẳng song song với mặt phẳng Oxz, một nam châm thẳng (NS) đặt song song với trục Oy và chọn chiều dương trên (C) như hình vẽ. Nếu cho (NS) quay đều theo chiều dương quanh trục quay song song với trục Ox thì trong (C) A. không có dòng điện cảm ứng B. có dòng điện cảm ứng chạy theo chiều dương C. có dòng điện cảm ứng chạy theo chiều âm D. có dòng điện cảm ứng chạy theo chiều dương hoặc chiều âm Đáp án là: D. có dòng điện cảm ứng chạy theo chiều dương hoặc chiều âm </s>
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<s> Chọn đáp án đúng với câu hỏi: Trong không gian Oxyz, mặt phẳng (α) đi qua hai điểm A(1; 0; 0), B(2; 2; 0) và vuông góc với mặt phẳng (P) : x + y + z – 2 = 0 có phương trình là A.x + y – 2z – 4 = 0 B. 2x – y – 3z – 2 = 0 C. x + y + z – 1 = 0 D. 2x – y – z – 2 = 0 Đáp án là: D. 2x – y – z – 2 = 0 </s>
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<s> Chọn đáp án đúng với câu hỏi: Ở một loài côn trùng, tính trạng màu mắt do một gen có 2 alen quy định. Cho lai giữa một cá thể đực (XY) với một cá thể cái (XX) đều có kiểu hình mắt đỏ, F 1 thu được tỉ lệ 75% mắt đỏ: 25% mắt trắng, trong đó tất cả các cá thể mắt trắng đều là con cái. Chọn ngẫu nhiên hai cá thể có kiểu hình mắt đỏ ở F 1 cho giao phối với nhau được các ấu trùng F 2. Xác suất để chọn được 3 ấu trùng F 2 đều có kiểu hình mắt đỏ là bao nhiêu? A. 27,34% B. 66,99%. C. 24,41%. D. 71,09%. Đáp án là: D. 71,09% </s>
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<s> Chọn đáp án đúng với câu hỏi: Providing women and girls with equal (4) ____ to education, health care, decent work, and representation in political and economic decision-making processes will fuel sustainable economies and benefit societies and humanity at large. A. course B. key C. access D. connection Đáp án là: C. access </s>
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<s> Chọn đáp án đúng với câu hỏi: Phan Châu Trinh đề cao phương châm gì đối với nhân dân Việt Nam trong quá trình cải cách xã hội? A. “Tự lực, tự cường” B. “Tự lực cánh sinh”. C. “Tự lực khai hóa" D. “Tự do dân chủ” Đáp án là: C. “Tự lực khai hóa" </s>
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<s> Chọn đáp án đúng với câu hỏi: Trong thời Bắc thuộc, các triều đại từ Triệu, Hán, Ngô, Tần, Tống, Tề, Lương đến Tuỳ, Đường đã thực hiện nhiều chính sách cai trị nhằm A. thực hiện chính sách cai trị lâu dài nước ta B. sáp nhập đất nước Âu Lạc cũ vào lãnh thổ của chúng C. biến Âu Lạc hành thuộc địa của chúng D. xâm lược, thống trị nhân dân Âu Lạc Đáp án là: B. sáp nhập đất nước Âu Lạc cũ vào lãnh thổ của chúng </s>
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<s> Chọn đáp án đúng với câu hỏi: Căn cứ vào Atlat Địa lí Việt Nam trang 17, cho biết các trung tâm kinh tế nào sau đây có quy mô GDP trên 100 nghìn tỉ đồng ở nước ta (năm 2007). A. Hà Nội, TP. Hồ Chí Minh. B. Biên Hòa, Cần Thơ. C. TP. Hồ Chí Minh, Đà Nẵng. D. Hà Nội, Biên Hòa. Đáp án là: A. Hà Nội, TP. Hồ Chí Minh. </s>
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<s> Chọn đáp án đúng với câu hỏi: Mục đích chủ yếu của trang trại là sản xuất hàng hóa với cách thức tổ chức và quản lí sản xuất tiến bộ dựa trên A. Tập quán canh tác cổ truyền. B. Chuyên môn hóa và thâm canh. C. Công cụ thủ công và sức người. D. Nhu cầu tiêu thụ sản phẩm tại chỗ. Đáp án là: B. Chuyên môn hóa và thâm canh. </s>
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<s> Chọn đáp án đúng với câu hỏi: Tìm x, biết x + 11 234 = 29 062 A. 17 818 B. 17 828 C. 17 718 D. 17 728 Đáp án là: B. 17 828 </s>
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<s> Chọn đáp án đúng với câu hỏi: Cho các nguyên tố X (Z = 11); Y (Z = 13); T (Z = 17). Nhận xét nào sau đây là đúng? A. Bán kính của các nguyên tử tương ứng tăng dần theo chiều tăng của số hiệu Z. B. Các hợp chất tạo bởi X với T và Y với T đều là hợp chất ion. C. Nguyên tử các nguyên tố X, Y, T ở trạng thái cơ bản đều có 1 electron độc thân. D. Oxit và hiđroxit của X, Y, T đều là chất lưỡng tính. Đáp án là: C. Nguyên tử các nguyên tố X, Y, T ở trạng thái cơ bản đều có 1 electron độc thân. </s>
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<s> Chọn đáp án đúng với câu hỏi: Tại sao không thể kiểm tra được định luật I New – tơn bằng một thí nghiệm trong phòng thí nghiệm? A. Vì không loại bỏ được trọng lực và lực ma sát. B. Vì các vật không phải là chất điểm. C. Vì do có lực hút của Mặt Trời. D. Vì do Trái Đất luôn luôn chuyển động. Đáp án là: A. Vì không loại bỏ được trọng lực và lực ma sát. </s>
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<s> Chọn đáp án đúng với câu hỏi: E là este của một axit đơn chức và ancol đơn chức. Để thủy phân hoàn toàn 6,6 gam chất E phải dùng 34,1ml dung dịch NaOH 10% (d = 1,1 g/ml). Lượng NaOH này dùng dư 25% so với lượng NaOH phản ứng. Công thức cấu tạo đúng của E là: A. CH 3 COOCH 3 B. HCOOC 3 H 7 C. CH 3 COOC 2 H 5 D. Cả B và C đều đúng Đáp án là: D. Cả B và C đều đúng </s>
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<s> Chọn đáp án đúng với câu hỏi: Thêm từ từ từng giọt 100 ml dung dịch chứa Na 2 CO 3 1,2M và NaHCO 3 0,6M vào 200 ml dung dịch HCl 1M. Sau khi phản ứng hoàn toàn thu được dung dịch X. Cho dung dịch BaCl 2 đến dư vào X thu được m gam kết tủa. Giá trị của m là: A. 9,85 B. 7,88 C. 23,64 D. 11,82 Đáp án là: B. 7,88 </s>
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<s> Chọn đáp án đúng với câu hỏi: Cho sơ đồ phản ứng: Xenlulozo → H +, t O + H 2 O X → men ruou Y → men giam z → + Y T Công thức của T là A. CH 3 COOH. B. CH 3 COOC 2 H 5. C. C 2 H 5 COOH. D. C 2 H 5 COOCH 3. Đáp án là: B. CH 3 COOC 2 H 5. </s>
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<s> Chọn đáp án đúng với câu hỏi: The blueprint is actually for five telescopes positioned 50 meters apart in space, slowly circling a ( 61 ) _______ processing station. A. central B. centre C. middle D. heart Đáp án là: A. central </s>
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<s> Chọn đáp án đúng với câu hỏi: Xu hướng nào sau đây đúng với sự thay đổi tỉ trọng giá trị sản xuất ngành trồng trọt từ năm 1990 đến năm 2005? A. Cây lương thực tăng. B. Cây công nghiệp tăng. C. Cây ăn quả tăng. D. Cây khác tăng. Đáp án là: B. Cây công nghiệp tăng. </s>
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<s> Chọn đáp án đúng với câu hỏi: Đốt cháy hoàn toàn m gam hỗn hợp X gồm xenlulozơ, glucozơ, saccarozơ bằng oxi. Toàn bộ sản phẩm cháy hấp thụ hết vào bình đựng dung dịch Ca(OH) 2 dư, thấy xuất hiện (m + 185,6) gam kết tủa và khối lượng bình tăng (m + 83,2) gam. Giá trị của m là A. 74,4 B. 80,3 C. 51,2 D. 102,4 Đáp án là: A. 74,4 </s>
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<s> Chọn đáp án đúng với câu hỏi: Trong lời kể của tác giả, loài chim nào không cùng họ với các loài chim sau đây? A. Bồ các B. Bìm bịp C. Sáo sậu D. Tu hú Đáp án là: B. Bìm bịp </s>
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<s> Chọn đáp án đúng với câu hỏi: Oxi hoá etilen bằng dung dịch KMnO 4 thu được sản phẩm là: A. MnO 2, C 2 H 4 (OH) 2, KOH. B. C 2 H 5 OH, MnO 2, KOH. C. K 2 CO 3, H 2 O, MnO 2. D. C 2 H 4 (OH) 2, K 2 CO 3, MnO 2. Đáp án là: A. MnO 2, C 2 H 4 (OH) 2, KOH. </s>
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<s> Chọn đáp án đúng với câu hỏi: Khi nhuộm bằng thuốc nhuộm Gram, vi khuẩn Gram âm có màu A. Nâu B. Đỏ C. Xanh D. Vàng Đáp án là: B. Đỏ </s>
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<s> Chọn đáp án đúng với câu hỏi: Cho phép tính 231 - 87. Chọn câu đúng. A. 231 là số trừ B. 87 là số bị trừ C. 231 là số bị trừ D. 87 là hiệu Đáp án là: C. 231 là số bị trừ </s>
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<s> Chọn đáp án đúng với câu hỏi: Suất điện động của một pin là 1,5V. Tính công của lực lạ khi dịch chuyển điện tích + 4C từ cực âm tới cực dương bên trong nguồn điên. A. 3mJ B. 6mJ. C. 6J D. 3J Đáp án là: C. 6J </s>
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<s> Chọn đáp án đúng với câu hỏi: Để thu được kim loại Cu từ dung dịch CuSO 4 theo phương pháp thuỷ luyện, có thể dùng kim loại nào sau đây? A. Ca. B. Na. C. Ag. D. Fe. Đáp án là: D. Fe </s>
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<s> Chọn đáp án đúng với câu hỏi: Một cái thước AB đặt trên mặt bàn nhẵn nằm ngang, có trục quay O cách đầu A một khoảng 80 cm (Hình 18.6). Một lực F 1 = 5 N tác dụng lên đầu A theo phương vuông góc với thước và lực thứ hai F 2 tác dụng lên điểm C của thước và theo phương vuông góc với thước (không vẽ trên hình) và cách A 30 cm. Các lực đều nằm trên mặt phẳng nằm ngang. Nếu thước không chuyển động, thì lực tác dụng của trục quay O lên thước có hướng và độ lớn A. cùng hướng với F 1 ⇀ và có độ lớn R = 13 N B. cùng hướng với F 1 ⇀ và có độ lớn R = 8 N C. cùng hướng với F 1 ⇀ và có độ lớn R = 3 N D. ngược hướng với F 1 ⇀ và có độ lớn R = 5 N Đáp án là: C. cùng hướng với F 1 ⇀ và có độ lớn R = 3 N </s>
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<s> Chọn đáp án đúng với câu hỏi: Khối lượng K 2 Cr 2 O 7 đã phản ứng khi chuẩn độ dung dịch chứa 15,2g FeSO 4 (có H 2 SO 4 loãng làm môi trường) là: A. 4,5 g B. 4,9 g C. 9,8 g D. 14,7 g Đáp án là: B. 4,9 g </s>
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<s> Chọn đáp án đúng với câu hỏi: Một đoàn tàu có khối lượng m = 100 t ấ n chuyển động nhanh dần đều từ địa điểm A đến địa điểm B cách nhau 2km, khi đó vận tốc tăng từ 15m/s (tại A) đến 20m/s (tại B). Tính công suất trung bình của đầu máy tàu trên đoạn đường AB. Cho biết hệ số ma sát là 0,005. Lấy g = 9, 8 m / s 2. A. 142,4kW B. 122,4kW C. 140,4kW D. 132,4kW Đáp án là: A. 142,4kW </s>
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<s> Chọn đáp án đúng với câu hỏi: Yuri Gagarin was the first person _____ into space A. has traveled B. traveling C. traveled D. to travel Đáp án là: D. to travel </s>
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<s> Chọn đáp án đúng với câu hỏi: Giá trị của chữ số 7 trong số 78 965 là A. 70 000 B. 7 000 C. 700 D. 70 Đáp án là: C. 700 </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(s) CLOSEST in meaning to the underlined word(s) A sustainable forest is a forest where trees that are cut are replanted and the wildlife is protected. A. pre-tested B. preserved C. reserved D. protested Đáp án là: B. C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) A sustainable forest is a forest where trees that are cut are replanted and the wildlife is protected.A. pre-tested </s>
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<s> Chọn đáp án đúng với câu hỏi: Mark the letter A, B, C or D on your answer sheet to indicate the word that differs from the other three in the position of the main stress in each of the following questions. A. measure B. agent C. advanced D. network Đáp án là: C. advanced </s>
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<s> Chọn đáp án đúng với câu hỏi: Susan: “I think mother may be getting a little old for this kind of travelling, don’t you?” Susan’s brother: “_________” A. I think she’ll be okay. B. That would be nice. C. Not a chance. D. What interesting news. Đáp án là: A. I think she’ll be okay. </s>
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<s> Chọn đáp án đúng với câu hỏi: Researchers found that (2)............average female chimps in the Gombe National Park in Tanzania learned how to do termite fishing at the age of 31 months, more than two years earlier than the males. A. at B. by C. on D. for Đáp án là: C. on </s>
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<s> Chọn đáp án đúng với câu hỏi: Choose the word whose stress pattern is different from the rest A. repetition B. television C. residential D. mountaineer Đáp án là: D. mountaineer </s>
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<s> Chọn đáp án đúng với câu hỏi: I’ve never really enjoyed going to the ballet or the opera; they’re not really my ________. A. piece of cake B. sweets and candy C. biscuit D. cup of tea Đáp án là: D. cup of tea </s>
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<s> Chọn đáp án đúng với câu hỏi: Choose the word whose underlined part is pronounced differently from the others. A. n o rthen B. h o st C. contr o l D. d o nation Đáp án là: A. n o rthen </s>
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<s> Chọn đáp án đúng với câu hỏi: Khi hơi nước bốc lên từ các đại dương sẽ tạo thành A. nước. B. sấm. C. mưa. D. mây. Đáp án là: D. mây </s>
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<s> Chọn đáp án đúng với câu hỏi: Tìm số nghiệm dương của phương trình 2x^2+^x−4.2x^2−^x−22^x+4=0 A. 3 B. 1 C. 2 D. 0 Đáp án là: B. 1 </s>
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<s> Chọn đáp án đúng với câu hỏi: Có bao nhiêu giá trị nguyên dương của tham số \(m\)để đồ thị hàm số \[y = \frac{{x - 1}}{{{x^2} - 8x + m}}\]có 3 đường tiệm cận? A. \[14\]. B. \[8\]. C. \[15\]. D. \[16\]. Đáp án là: A. \[14\]. </s>
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<s> Chọn đáp án đúng với câu hỏi: Biết z không phải là số phức thuần ảo và M, N là biểu diễn của z và w = -z ̄ thì: A. M, N đối xứng qua O B. M N C. M, N đối xứng nhau qua Ox D. M, N đối xứng nhau qua Oy Đáp án là: D. M, N đối xứng nhau qua Oy </s>
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<s> Chọn đáp án đúng với câu hỏi: Nhân tố được xem là “chìa khóa vàng” trong cuộc Duy tân Minh Trị ở Nhật Bản là A. kinh tế. B. chính trị. C. giáo dục. D. quân sự. Đáp án là: C. giáo dục. </s>
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<s> Chọn đáp án đúng với câu hỏi: Trong các phát biểu sau đây, phát biểu nào sai? A. Chỉ có anđehit fomic mới phản ứng với dung dịch AgNO 3 /NH 3 và Cu(OH) 2 /NaOH theo tỉ lệ mol 1 : 4. B. Anđehit và xeton đều có phản ứng với hiđro xianua tạo thành sản phẩm là xianohiđrin. C. Anđehit là sản phẩm trung gian giữa ancol và axit cacboxylic. D. Liên kết đôi trong nhóm cacbonyl (C=O) của anđehit phân cực mạnh hơn liên kết đôi (C=C) trong anken. Đáp án là: A. Chỉ có anđehit fomic mới phản ứng với dung dịch AgNO 3 /NH 3 và Cu(OH) 2 /NaOH theo tỉ lệ mol 1 : 4. </s>
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<s> Chọn đáp án đúng với câu hỏi: Dựa vào dãy các chất sau: CH 4, CO, C 2 H 6, K 2 CO 3, C 2 H 5 ONa. Hãy cho biết thành phần của dãy? A. 1 hợp chất hữu cơ và 4 hợp chất vô cơ; B. 2 hợp chất hữu cơ và 3 hợp chất vô cơ; C. 4 hợp chất hữu cơ và 1 hợp chất vô cơ; D. 3 hợp chất hữu cơ và 2 hợp chất vô cơ. Đáp án là: D. 3 hợp chất hữu cơ và 2 hợp chất vô cơ </s>
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<s> Chọn đáp án đúng với câu hỏi: Cho hỗn hợp X gồm hai chất hữu cơ có cùng công thức phân tử C 2 H 7 NO 2 tác dụng vừa đủ với dung dịch NaOH đun nóng, thu được dung dịch Y và 4,48 lít hỗn hợp Z (ở đktc) gồm hai khí (đều làm xanh giấy quỳ ẩm). Tỉ khối hơi của Z đối với H 2 bằng 13,75. Cô cạn dung dịch Y thu được khối lượng muối khan là : A. 16,5 gam. B. 14,3 gam. C. 8,9 gam D. 15,7 gam Đáp án là: B. 14,3 gam. </s>
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<s> Chọn đáp án đúng với câu hỏi: Cho 0,2 mol canxi oxit tác dụng với 500ml dung dịch HCl 1M. Khối lượng muối thu được là: A. 2,22 g B. 22,2 g C. 22,3 g D. 23,2 g Đáp án là: C. 22,3 g </s>
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<s> Chọn đáp án đúng với câu hỏi: When you __________ the intersection of Green street and Red Avenue, turn right and go straight ahead. A. come B. get C. reach D. arrive Đáp án là: C. reach </s>
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<s> Chọn đáp án đúng với câu hỏi: Because ______, they decided to study astronomy. A. of the fact that their interest in comets B. for their interest in comets C. of their interest in comets D. their interest in comets Đáp án là: C. of their interest in comets </s>
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<s> Chọn đáp án đúng với câu hỏi: Lớp vỏ địa lí có giới hạn trùng hợp hoàn toàn với lớp vỏ bộ phận nào sau đây? A. Sinh quyển. B. Khí quyển. C. Thạch quyển. D. Thổ nhưỡng quyển. Đáp án là: A. Sinh quyển. </s>
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<s> Chọn đáp án đúng với câu hỏi: Kết quả của phép tính √((1−√(7))^2) là : A.1−√(7) B.1+√(7) C.√(7)−1 D.−6 Đáp án là: C.√(7)−1 </s>
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<s> Chọn đáp án đúng với câu hỏi: Số đồng phân amin bậc một ứng với công thức phân tử C 3 H 9 N là: A. 4. B. 3. C. 2. D. 1. Đáp án là: C. 2. </s>
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<s> Chọn đáp án đúng với câu hỏi: Biện pháp nào dưới đây giúp cải thiện tình trạng táo bón? 1. Ăn nhiều rau xanh 2. Hạn chế thức ăn chứa nhiều tinh bột và prôtêin 3. Uống nhiều nước 4. Uống trà đặc A. 2, 3 B. 1, 3 C. 1, 2 D. 1, 2, 3 Đáp án là: D. 1, 2, 3 </s>
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<s> Chọn đáp án đúng với câu hỏi: Từ chất X thực hiện các phản ứng (theo đúng tỉ lệ mol): Công thức phân tử của X là A. C 3 H 4 O 4. B. C 8 H 8 O 2. C. C 4 H 6 O 4. D. C 4 H 4 O 4. Đáp án là: C. C 4 H 6 O 4. </s>
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<s> Chọn đáp án đúng với câu hỏi: Phần I: Trắc nghiệmTrong các khẳng định sau đây, khẳng định nào đúng? A. (a<bc<d⇒a+c< b+d) B. (a<bc<d⇒a-c< b-d) C. (a<bc<d⇒ac< bd) D. (a<bc<d⇒(a)/(c)< (b)/(d)) Đáp án là: A. (a<bc<d⇒a+c< b+d) </s>
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<s> Chọn đáp án đúng với câu hỏi: Hiđroxit nào sau đây không phải là hiđroxit lưỡng tính: A. Cr(OH) 3. B. Al(OH) 3 C. Zn(OH) 2. D. Ba(OH) 2. Đáp án là: D. Ba(OH) 2 </s>
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<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. sw im B. sw itch C. an sw er D. sw eater Đáp án là: C. an sw er </s>
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<s> Chọn đáp án đúng với câu hỏi: Television brings (20)......... for children, world news, music and many other (21)......... A. sets B. reports C. channels D. shows Đáp án là: D. shows </s>
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<s> Chọn đáp án đúng với câu hỏi: Đường thẳng 3x – 2y = 5 đi qua điểm: A. (1; - 1) B. (5; -5) C. (1; 1) D. (-5; 5) Đáp án là: A. (1; - 1) </s>
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<s> Chọn đáp án đúng với câu hỏi: Câu văn “Nhạc công dùng các ngón đàn trau chuốt như ngón nhấn mổ, vỗ, vả, ngón bấm, day, chớp, búng,ngón phi, ngón rãi’’dùng phép liệt kê nhằm miêu tả điều gì? A. Miêu tả tiếng đàn B. Miêu tả tài nghệ chơi đàn của nhạc công với những ngón đàn hết sức phong phú C. Miêu tả hình dáng bên ngoài của người chơi đàn D. Miêu tả sự thán phục của người nghe đàn. Đáp án là: B. Miêu tả tài nghệ chơi đàn của nhạc công với những ngón đàn hết sức phong phú </s>
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<s> Chọn đáp án đúng với câu hỏi: Tính diện tích của hình thoi có tổng độ dài hai đường chéo là 30cm và đường chéo lớn hơn đường chéo bé 2cm. A. 110 cm^2 B. 112 cm^2 C. 111 cm^2 D. 114 cm^2 Đáp án là: B. 112 cm^2 </s>
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<s> Chọn đáp án đúng với câu hỏi: Căn cứ vào Atlat Địa lí Việt Nam trang 4-5, cho biết quần đảo Hoàng Sa thuộc tỉnh (thành phố) nào sau đây? A. Quảng Nam. B. Đà Nẵng. C. Khánh Hoà. D. Bình Định. Đáp án là: B. Đà Nẵng. </s>
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<s> Chọn đáp án đúng với câu hỏi: The water company will have to _______ off water supplies while repairs to the pipes are carried out. A. take B. cut C. set D. break Đáp án là: B. cut </s>
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<s> Chọn đáp án đúng với câu hỏi: Trong một dạ hội cuối năm ở một cơ quan, ban tổ chức phát ra 100 vé xổ số đánh số từ 1 đến 100 cho 100 người. Xổ số có 4 giải: 1 giải nhất, 1 giải nhì, 1 giải ba, 1 giải tư. Kết quả là việc công bố ai trúng giải nhất, giải nhì, giải ba, giải tư. Hỏi có bao nhiêu kết quả có thể nếu biết rằng người giữ vé số 47 trúng một trong bốn giải? A. 3766437 B. 3764637 C. 3764367 D. 3764376 Đáp án là: D. 3764376 </s>
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<s> Chọn đáp án đúng với câu hỏi: Người ta thực hiện phản ứng điều chế ammoniac bằng cách cho 1,4 gam N 2 phản ứng với H 2 dư với hiệu suất 75%. Tính khối lượng ammoniac điều chế được? A. 0,6375 gam B. 1,275 gam C. 1,7 gam D. 0,85 gam Đáp án là: B. 1,275 gam </s>
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<s> Chọn đáp án đúng với câu hỏi: Tiến hành thí nghiệm sau : a) Cho bột Cu vào dung dịch Fe 2 (SO 4 ) 3 dư b) Cho dung dịch KHSO 4 vào dung dịch NaHCO 3 tỷ lệ mol 1: 1 c) Cho Ba(HCO 3 ) 2 tác dụng với dung dịch NaOH theo tỷ lệ mol 1:1 d) Cho AlCl 3 tác dụng với dung dịch NaOH dư e) Sục khí CO 2 đến dư vào dụng dịch Ba(OH) 2 g) Cho bột Al dư vào dung dịch HNO 3 loãng (phản ứng không thu được chất khí) Sau khi các phản ứng xẩy ra hoàn toàn, số thí nghiệm dung dịch chứa hai muối là A. 2 B. 3 C. 4 D. 5 Đáp án là: B. 3 </s>
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<s> Chọn đáp án đúng với câu hỏi: Đốt cháy hoàn hoàn m gam hỗn hợp Mg và Al cần vừa đủ 2,8 lít khí O 2 (đktc) thu được 9,1 gam hỗn hợp hai oxit. Giá trị m là A. 5,1. B. 7,1. C. 6,7. D. 3,9. Đáp án là: A. 5,1. </s>
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<s> Chọn đáp án đúng với câu hỏi: Các nước nào sau đây có sản lượng điện bình quân theo đầu người vào loại cao nhất thế giới? A. Na-uy, Ca-na-đa, Thuỵ Điển, Hoa Kì. B. Na-uy, Ca-na-đa, Thuỵ Điển, Pháp. C. Na-uy, Ca-na-đa, Thuỵ Điển, Đức. D. Na-uy, Ca-na-đa, Thuỵ Điển, LB Nga. Đáp án là: A. Na-uy, Ca-na-đa, Thuỵ Điển, Hoa Kì. </s>
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<s> Chọn đáp án đúng với câu hỏi: Trong các hình sau, hình nào là hình bình hành? A. B. C. D. Đáp án là: C. </s>
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<s> Chọn đáp án đúng với câu hỏi: Cho mạch điện như hình vẽ. Trong đó bộ nguồn có 8 nguồn giống nhau, mỗi nguồn có suất điện động E = 1,5 V, điện trở trong r = 0, 5 Ω, mắc thành 2 nhánh, mỗi nhánh có 4 nguồn mắc nối tiếp. Đèn loại 3 V - 3 W ; R 1 = R 2 = 3 Ω ; R 3 = 2 Ω ; R B = 1 Ω và là bình điện phân đựng dung dịch C u S O 4, có cực dương bằng Cu. Tính: c. Hiệu điện thế giữa hai điểm M và N là A. 0,8 V B. -0,8 V C. 0,4 V D. -0,4 V Đáp án là: D. -0,4 V </s>
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<s> Chọn đáp án đúng với câu hỏi: Một người được xem là mắc bệnh cao huyết áp khi nào? A. Huyết áp tối thiểu 90 mmHg, huyết áp tối đa > 140 mmHg. B. Huyết áp tối thiểu 120 mmHg, huyết áp tối đa > 160 mmHg. C. Huyết áp tối thiểu 100 mmHg, huyết áp tối đa > 160 mmHg. D. Huyết áp tối thiểu 90 mmHg, huyết áp tối đa > 120 mmHg. Đáp án là: A. Huyết áp tối thiểu 90 mmHg, huyết áp tối đa > 140 mmHg. </s>
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<s> Chọn đáp án đúng với câu hỏi: Ta có F = G. Q + R. Biết Q và R là thương và dư của phép chia F : G (G ≠ 0). Tìm R biết F = 5x^3 + x^2 + 4x + 3 và G = 2x + 2. A. -3 B. -4 C. -5 D. -6 Đáp án là: C. -5 </s>
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<s> Chọn đáp án đúng với câu hỏi: This novel..................in the seventeenth century. A. is written B. is writing C. was written D. was writing Đáp án là: C. was written </s>
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<s> Chọn đáp án đúng với câu hỏi: So với dân số thế giới, châu Phi có A. tuổi thọ trung bình cao hơn nhiều. B. tỉ suất tử thô thấp hơn nhiều. C. tỉ suất sinh thô cao hơn nhiều. D. tỉ suất tăng tự nhiên thấp hơn nhiều. Đáp án là: C. tỉ suất sinh thô cao hơn nhiều. </s>
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