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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 word or phrase that best fits each of the numbered blanks. 21st century teachers need to serve as a guide or mentor for their students, not as the all- knowing sage providing them with everything they need. Nowadays, with so much access (1)______ resources of all kinds, children invariably know more than teachers on different topics, step ahead of the technology. Teachers need to be empowered as facilitators for learning, so that they can empower their students in (2)______. This shift is great news for teachers. Instead of struggling to give kids all the information in areas (3)______ they know little about, teachers can support students as they make their own steps into different fields. It’s about preparing them to go beyond their seniors, ensuring they have the skills to do it, and assisting them along the way. (4)______, teachers need to be forward-thinking, curious and flexible. They must be learners: learning new teaching methods, and learning alongside their students. Simply asking questions like “What will my students need dozens of years from now?” or “How can I help give them those skills?” can change teachers' (5)______, make them a leader, and bring about changes in the classroom, school and community.
A. knowledge
B. prejudice
C. mindset
D. judgement Đáp án là: C. mindset </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Đổi 5 tấn 2 yến =...................kg?
A. 52 kg
B. 502 kg
C. 5020 kg
D. 5002 kg Đáp án là: C. 5020 kg </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Phép chia nào sau đây có thương nhỏ nhất?
A. 27 : 0,25
B. 63 : 1,8
C. 243 : 4,5
D. 90 : 3,6 Đáp án là: D. 90 : 3,6 </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 correct answer to each of the following questions. My friend and I have decided to try a new way to learn English. We ______________ an online course next week.
A. attend
B. will attend
C. will be attending
D. are going to attend Đáp án là: B. will attend </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Trong quần thể tự phối, thành phần kiểu gen của quần thể có xu hướng
A. Tăng tỷ lệ dị hợp, giảm tỷ lệ đồng hợp
B. Phân hóa thành các dòng thuần có kiểu gen khác nhau
C. Duy trì tỷ lệ số cá thể ở trạng thái dị hợp tử
D. Phân hóa đa dạng và phong phú về kiểu gen Đáp án là: B. Phân hóa thành các dòng thuần có kiểu gen khác nhau </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Kênh đào Xuy-ê có vai trò quan trọng đối với việc vận chuyển hàng hóa nào sau đây từ các nước Trung Đông đến các nền kinh tế phát triển?
A. Lương thực, thực phẩm.
B. Hàng tiêu dùng.
C. Máy móc công nghiệp.
D. Dầu mỏ. Đáp án là: D. Dầu mỏ </s> | [
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<s> Chọn đáp án đúng với câu hỏi: ...............fax transmission is commonly used in most offices.
A. A
B. An
C.The
D. x Đáp án là: D. x </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Phép lai giữa 2 cá thể có kiểu gen AaBBDd x AaBbdd với các gen trội là trội hoàn toàn. Kiểu gen aaBBdd ở F1 chiếm tỉ lệ:
A. 1⁄4
B. 1/16
C. 1⁄2
D. 1/8 Đáp án là: B. 1/16 </s> | [
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<s> Chọn đáp án đúng với câu hỏi: According to the passage, what are nitrates used for?
A. They preserve flavor in package foods
B. They are the objects of research
C. They preserve the color of meats
D. They cause the animals to become fatter Đáp án là: C. They preserve the color of meats </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Phát biểu nào sau đây về các bệnh, tật di truyền là không đúng?
A. Bệnh ung thư là một loại bệnh di truyền, thường phát sinh ở các tế bào sinh dưỡng và không thể truyền qua các thế hệ
B. Bệnh máu khó đông và bệnh mù màu do đột biến gen lặn trên NST giới tính X, thường phổ biến ở nam và ít gặp ở nữ
C. Bệnh phêninkêtô niệu có thể được chữa khỏi nếu được phát hiện sớm và loại bỏ phêninalanin ra khỏi khẩu phần ăn từ giai đoạn sớm
D. Hội chứng Down là một loại bệnh di truyền tế bào và có thể được phát hiện sớm bằng phương pháp sinh thiết tua nhau thai Đáp án là: C. Bệnh phêninkêtô niệu có thể được chữa khỏi nếu được phát hiện sớm và loại bỏ phêninalanin ra khỏi khẩu phần ăn từ giai đoạn sớm </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Wendy : "Would you like to have coffee, lemonade, or something different?" Cindy : "________________ ".
A. I'm afraid not
B. Yes, please.
C. Anything will do.
D. Never mind. Đáp án là: C. Anything will do. </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Có nhiều nguyên nhân dẫn đến sự thất bại của phong trào đấu tranh của nhân dân Lào và Campuchia ở cuối thế kỉ XIX – đầu thế kỉ XX, ngoại trừ
A. các cuộc khởi nghĩa nổ ra lẻ tẻ, thiếu sự liên kết.
B. thiếu đường lối lãnh đạo đúng đắn, khoa học.
C. các cuộc khởi nghĩa không nhận được sự ủng hộ của nhân dân.
D. thực dân Pháp có quân đội mạnh, vũ khí, phương tiện chiến tranh hiện đại. Đáp án là: C. các cuộc khởi nghĩa không nhận được sự ủng hộ của nhân dân. </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Việc khai thác thế mạnh ở vùng đồng bằng sông Hồng cần làm công việc nào sau đây?
A. Xây dựng các công trình thủy lợi, nâng cao năng suất cây trồng và vật nuôi.
B. Giảm tỉ lệ gia tăng dân số tự nhiên, đẩy mạnh phát triển nông nghiệp hàng hóa.
C. Phát triển công nghiệp chế biến gắn liền với hoạt động sản xuất nông nghiệp.
D. Nâng cao tay nghề người lao động, phát huy kinh nghiệm sản xuất nông nghiệp. Đáp án là: B. Giảm tỉ lệ gia tăng dân số tự nhiên, đẩy mạnh phát triển nông nghiệp hàng hóa. </s> | [
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228,
190,
146,
29875,
29901,
21769,
31214,
31500,
29883,
413,
23535,
266,
29874,
30103,
29883,
278... | [
1,
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1... |
<s> Chọn đáp án đúng với câu hỏi: Choose the best answer. I usually play football when I have _______.
A. spare time
B. good time
C. no time
D. times Đáp án là: A. spare time </s> | [
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1... |
<s> Chọn đáp án đúng với câu hỏi: Trong những năm 1921 – 1941, việc nhiều quốc gia công nhận và đặt quan hệ ngoại giao với Liên Xô chứng tỏ điều gì?
A. Liên Xô có tiềm lực kinh tế và quốc phòng mạnh.
B. Liên Xô trở thành thị trường tiềm năng đối với các nước lớn.
C. Uy tín của Liên Xô trên trường quốc tế ngày càng được nâng cao.
D. Sự mâu thuẫn, đối địch giữa các nước đế quốc với Liên Xô đã chấm dứt. Đáp án là: C. Uy tín của Liên Xô trên trường quốc tế ngày càng được nâng cao. </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Phát biểu nào sau đây đúng
A. Một mã di truyền có thể mã hoá cho một hoặc một số axít amin
B. Đơn phân cấu trúc của ARN gồm 4 loại nuclêôtít là A, T, G, X
C. Ở sinh vật nhân thực, axít amin mở đầu cho chuỗi pôlipeptit là mêtiônin
D. Phân tử mARN và rARN đều có cấu trúc mạch kép Đáp án là: C. Ở sinh vật nhân thực, axít amin mở đầu cho chuỗi pôlipeptit là mêtiônin </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Số thập phân thích hợp viết vào chỗ trống trong phép đổi: 5km 439m =........km là:
A. 5,439
B. 54,39
C. 543,9
D. 5439 Đáp án là: A. 5,439 </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
A. rep o rt
B. perf o rm
C. acc o rding
D. w o rd Đáp án là: D. w o rd </s> | [
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<s> Chọn đáp án đúng với câu hỏi: The first thing you must do is make a (n) _______ of the situation.
A. measure
B. estimation
C. assessment
D. appraisal Đáp án là: C. assessment </s> | [
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1... |
<s> Chọn đáp án đúng với câu hỏi: In order to _______ a place at a prestigious university, you need to apply yourself to studying.
A. win
B. dominate
C. fulfill
D. complete Đáp án là: A. win </s> | [
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1... |
<s> Chọn đáp án đúng với câu hỏi: ___ are unpleasant, but it will be nice when we get in to the new house
A. Movements
B. Removals
C. Removements
D. Moves Đáp án là: B. Removals </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Tư tưởng Duy tân khi đi vào quần chúng đã vượt qua khuôn khổ ôn hòa và biến thành cuộc đấu tranh nào?
A. Phong trào đấu tranh chính trị của quần chúng nhân dân
B. Phong trào đấu tranh chính trị kết hợp với đấu tranh vũ trang
C. Đấu tranh vũ trang, tiêu biểu là Phong trào chống thuế ở Trung Kì (1908)
D. Phong trào Đông Kinh nghĩa thục (1907 Đáp án là: C. Đấu tranh vũ trang, tiêu biểu là Phong trào chống thuế ở Trung Kì (1908) </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Each sentence has a mistake. Find it by choosing the letter A, B, C or D. Would you be enough kind to open the doors please?
A. would
B. enough kind
C. to open
D. please Đáp án là: B. enough kind </s> | [
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<s> Chọn đáp án đúng với câu hỏi: “I’m having a terrible headache.” - “”
A. Maybe I’m not going to the doctor.
B. Not very well. Thanks.
C. Maybe you should lie down.
D. Not bad. I’m going to the doctor. Đáp án là: C. Maybe you should lie down. </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Hợp chất X mạch hở có công thức phân tử là C 4 H 9 N O 2. Cho 10,3 gam X phản ứng vừa đủ với dung dịch NaOH sinh ra một chất khí Y và dung dịch Z. Khí nặng hơn không khí, làm giấy quỳ tím ẩm chuyển màu xanh. Dung dịch Z có khả năng làm mất màu nước brom. Cô cạn dung dịch Z thu được m gam muối khan. Giá trị của m là
A. 8,2.
B. 10,8.
C. 9,4.
D. 9,6. Đáp án là: C. 9,4. </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Trong giao thoa với khe I – âng có a = 1,5mm, D = 3m, trên đường đi của tia sáng người ta đặt bản mỏng song song bằng thủy tinh có chiết suất 1,5 có bề dày 1μm thì hệ vân sẽ dịch chuyển một đoạn
A. 10 mm
B. 1 mm
C. 1,5 mm
D. 3 mm Đáp án là: B. 1 mm </s> | [
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... |
<s> Chọn đáp án đúng với câu hỏi: Ernest Hemingway, he is seen as one of the greatest 20th century American novelists, served as an ambulance driver during World War I.
A. he
B. novelists
C. served
D. during Đáp án là: A. he </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Trong mặt phẳng Oxy, cho hai điểm \(M\left( {3;0} \right)\) và \(N\left( {0;4} \right)\). Gọi \(M',N'\) lần lượt là ảnh của M, N qua phép quay tâm O, góc quay \(90^\circ \). Độ dài đoạn thẳng \(M'N'\) là?
A. 5
B. 7
C. 1
D. 2 Đáp án là: A. 5 </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Có bao nhiêu cặp số (x; y) biết x là ước của 12, y là ước của 42 sao cho x.y = 6
A. 8;
B. 7;
C. 6;
D. 5. Đáp án là: A. 8; </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 Khang’s uncle is a doctor at a local hospital. Every morning, he gets up at 7.00 and goes to work by motorbike. He usually has breakfast and lunch at work. Sometimes he goes out to have lunch with his friends. His favorite sport is soccer. He often watches soccer on TV. Every Sunday, he plays soccer with some of his friends in the park. Question: What time does he wake up?
A. At a quarter past seven
B. At seven o’clock
C. At half past seven
D. At a quarter to seven Đáp án là: C. At half past seven </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Khi nói về dao động điều hòa của con lắc lò xo, phát biểu nào sau đây đúng?
A. Cơ năng của con lắc tỉ lệ thuận với biên độ dao động.
B. Tần số của dao động tỉ lệ nghịch với khối lượng vật nhỏ của con lắc.
C. Chu kì của dao động tỉ lệ thuận với độ cứng của lò xo.
D. Tần số góc của dao động không phụ thuộc vào biên độ dao động. Đáp án là: D. Tần số góc của dao động không phụ thuộc vào biên độ dao động </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Một mạch dao động LC lí tưởng, với cuộn cảm thuần L = 9 mH và tụ điện có điện dung C.Trong quá trình dao động, hiệu điện thế cực đại giữa hai bản tụ là 12V. Tại thời điểm điện tích trên bản tụ có độ lớn q = 24 nC thì dòng điện trong mạch có cường độ i = mA.Chu kì dao động của mạch bằng
A. 12πms
B. 6πμs
C. 12πμs
D. 6πms Đáp án là: C.Trong quá trình dao động, hiệu điện thế cực đại giữa hai bản tụ là 12V. Tại thời điểm điện tích trên bản tụ có độ lớn q = 24 nC thì dòng điện trong mạch có cường độ i = mA.Chu kì dao động của mạch bằngA. 12πmsB. 6πμs </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Nguyên tắc của mạch chọn sóng trong máy thu thanh dựa trên hiện tượng
A. giao thoa sóng
B. cộng hưởng điện
C. nhiễu xạ sóng
D. sóng dừng Đáp án là: B. cộng hưởng điện </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Nhân tố chủ quan dẫn đến sự xuất hiện của phong trào yêu nước theo khuynh hướng dân tộc, dân chủ ở Việt Nam đầu thế kỉ XX là gì?
A. Thành công của cuộc Duy tân Minh Trị của Nhật Bản.
B. Ảnh hưởng từ phong trào Duy tân Mậu Tuất của Trung Quốc.
C. Ảnh hưởng từ thành công của cuộc Cách mạng Tân Hợi ở Trung Quốc.
D. Tác động từ cuộc khai thác thuộc địa lần thứ nhất của thực dân Pháp. Đáp án là: D. Tác động từ cuộc khai thác thuộc địa lần thứ nhất của thực dân Pháp </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Mark the letter A, B, C, or D to indicate the sentence that is closest in meaning to the original sentence in each of the following questions. The test was very long, l/l/e couldn't do it in forty five minutes.
A. We couldn't do the test in forty five minutes though it was long.
B. The test was too long for US to do in forty five minutes.
C. The test was long enough for US to do in forty five minutes.
D. Forty five minutes is the time we needed to do the long test. Đáp án là: B. The test was too long for US to do in forty five minutes. </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Khí đốt nóng, khí clo không tác dụng trực tiếp với
A. O 2
B. Na
C. Fe
D. Al Đáp án là: A. O 2 </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Hợp chất X (C n H 10 O 5 ) có vòng benzen và nhóm chức este. Trong phân tử X, phần trăm khối lượng của oxi lớn hơn 29%. Lấy 1 mol X tác dụng hết với dung dịch NaOH dư, sản phẩm hữu cơ thu được chỉ là 2 mol chất Y. Cho các phát biểu sau: (a) Chất X có ba loại nhóm chức. (b) Chất X làm quỳ tím ẩm chuyển sang màu đỏ. (c) Số mol NaOH đã tham gia phran ứng là 4 mol. (d) Khi cho 1 mol X tác dụng hết với NaHCO 3 (trong dung dịch) hoặc Na đều thu được 1 mol khí. (e) 1 mol chất Y tác dụng vừa đủ với dung dịch chứa 2 mol HCl. (g) Khối lượng chất Y thu được là 364 gam. Số phát biểu đúng là
A. 6.
B. 3.
C. 4.
D. 5. Đáp án là: A. 6. </s> | [
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<s> Chọn đáp án đúng với câu hỏi: -“............... a nice T- shirt, Trang!” –“ Thank you!”
A. How
B. What
C. Which
D. It Đáp án là: B. What </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Nguyên tử trung hòa về điện, khi mất bớt electron sẽ trở thành:
A. Ion -
B. Ion +
C. Không xác định được
D. Không có gì thay đổi Đáp án là: B. Ion + </s> | [
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<s> Chọn đáp án đúng với câu hỏi: T his festival commemorates the Hung Kings (26) _______ were the first kings of Vietnam and are considered the founding fathers of the nation.
A. whose
B. who
C. which
D. whom Đáp án là: B. who </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Ngành Hóa học có vai trò như thế nào đối với Sử học?
A. Góp phần đoán định niên đại của các di vật lịch sử.
B. Cung cấp thông tin về địa hình, khí hậu của các vùng miền.
C. Hỗ trợ quá trình tìm kiếm dấu vết của di vật lịch sử.
D. Góp phần trình bày và tái hiện lịch sử một cách sinh động. Đáp án là: A. Góp phần đoán định niên đại của các di vật lịch sử. </s> | [
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<s> Chọn đáp án đúng với câu hỏi: What do the intersecting lines in the base symbolize?
A. Architects' plans for the hidden passages.
B. Pathways of the great solar bodies.
C. Astrological computations.
D. Dates of important events taking place throughout time. Đáp án là: D. Dates of important events taking place throughout time </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Cho các phương trình hóa học sau xảy ra theo đúng tỉ lệ mol: X + 4NaOH → t ° Y + Z + T + 2NaCl + H 2 O. Y+2AgNO 3 +3NH 3 +H 2 O → C 2 H 4 NO 4 Na+2Ag+ 2NH 4 NO 3. Z+ HCl → C 3 H 6 O 3 + NaCl. T+ 1⁄2.O 2 → t ° C 2 H 4 O 2. Biết X không phân nhánh. Công thức cấu tạo của X là
A. CH 3 CH 2 COOCH(Cl)COOC(Cl)=CH 2
B. CH 3 CH(Cl)COOCH 2 COOC(Cl)=CH 2
C. CH 3 CH(Cl)COOCH(Cl)COOC 2 H 3
D. HOCH 2 COOCH(Cl)COOCH(Cl)CH 3 Đáp án là: C. CH 3 CH(Cl)COOCH(Cl)COOC 2 H 3 </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Cho phương trình x^4-3x^3+x-1/8=0 (1).Chọn khẳng định đúng:
A. Phương trình (1) có đúng một nghiệm trên khoảng (-1;3).
B. Phương trình (1) có đúng hai nghiệm trên khoảng (-1;3).
C. Phương trình (1) có đúng ba nghiệm trên khoảng (-1;3)
D. Phương trình (1) có đúng bốn nghiệm trên khoảng (-1;3) Đáp án là: D. Phương trình (1) có đúng bốn nghiệm trên khoảng (-1;3) </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Theo thuyết Kiến tạo mảng, bề mặt Trái Đất được chia thành 7 mảng kiến tạo lớp là
A. Âu - Á, Bắc Mỹ, Nam Mỹ, Phi, Ấn Độ, Nam Cực, Philíppin
B. Âu - Á, Bắc Mỹ, Nam Mỹ, Phi, Ấn Độ, Philíppin., Thái Bình Dương
C. Âu - Á, Bắc Mỹ, Nam Mỹ, Phi, Ấn Độ, Nam Cực, Thái Bình Dương
D. Philíppin., Bắc Mỹ, Nam Mỹ, Phi, Ấn Độ, Nam Cực, Thái Bình Dương Đáp án là: C. Âu - Á, Bắc Mỹ, Nam Mỹ, Phi, Ấn Độ, Nam Cực, Thái Bình Dương </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Hai nguồn điện có suất điện động và điện trở trong tương ứng là ξ 1 = 4 V ; r 1 = 2 Ω và ξ 2 = 3 V, r 2 = 3 V được mắc với biến trở R thànhmạch điện kín theo sơ đồ như hình vẽ. Để không có dòng điện chạy qua nguồn ξ 2 thì giá trị của biến trở là?
A. 2Ω
B. 4Ω
C. 5Ω
D. 6Ω Đáp án là: D. 6Ω </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Bao Yen sings________than this singer.
A. well
B. bad
C. better
D. more good Đáp án là: C. better </s> | [
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<s> Chọn đáp án đúng với câu hỏi: By (A) (B) color of a star, astronomers can tell (C) hot (D).
A. measuring
B. the
C. how
D. is it Đáp án là: D. is it </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Kết quả phép chia 575 : 5 là
A. 125
B. 215
C. 511
D. 115 Đáp án là: D. 115 </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Để các alen của một gen phân li đồng đều về các giao tử thì cần có điều kiện gì?
A. Bố và mẹ phải thuần chủng
B. Số lượng cá thế lai phải lớn.
C. Alen trội phải trội hoàn toàn so với alen lặn.
D. Quá trình giảm phân phải xảy ra bình thường. Đáp án là: D. Quá trình giảm phân phải xảy ra bình thường </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Cho các phản ứng sau: (a) FeS + 2HCl →FeCl 2 +H 2 S (b) Na 2 S + 2HCl →2NaCl 2 + H 2 S (c) 2AlCl 3 +3Na 2 S + 6H 2 O → 2Al(OH) 3 +3H 2 S +6NaCl (d) KHSO 4 +KHS → K 2 SO 4 + H 2 S (e) BaS + H 2 SO 4 (loãng) →BaSO 4 + H 2 S Số phản ứng có phương trình ion rút gọn S 2- + 2H + →H 2 S là
A. 1
B. 3
C. 2
D. 4 Đáp án là: A. 1 </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Để tăng năng suất cây trồng người ta có thể tạo ra giống cây tam bội: Loài nào sau đây phù hợp nhất với phương pháp đó (1) Ngô (2) Đậu tương (3) Củ cải đường (4) Lúa đại mạch (5) Dưa hấu (6) Nho
A. 3,4,6
B. 2,4,6
C. 1,3,5
D. 3,5,6 Đáp án là: D. 3,5,6 </s> | [
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2... | [
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1,
1,
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1... |
<s> Chọn đáp án đúng với câu hỏi: The air-hostess knows the time she has been here, _____
A. does she
B. isn’t it
C. doesn’t she
D. did she' Đáp án là: C. doesn’t she </s> | [
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1183,
756,
1063,
1244,... | [
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1,
1,
1,
1,
1,
1... |
<s> Chọn đáp án đúng với câu hỏi: The word “ all-inclusive ” in the passage mostly means _____.
A. including everything or everyone
B. going in many directions
C. involving many school subjects
D. allowing no exceptions Đáp án là: A. including everything or everyone </s> | [
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26622,
297,
278,
13382... | [
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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 sentence that is closest in meaning to each of the following sentences. I am not 16 years old, so my parents don't allow me to ride a motorbike.
A. Unless I am 16 years old, my parents wouldn’t allow me to ride a motorbike.
B. If I am 16 years old, my parents will allow me to ride a motorbike.
C. Unless I were 16 years, old my parents would allow me to ride a motorbike.
D. If I were 16 years old, my parents would allow me to ride a motorbike. Đáp án là: D. If I were 16 years old, my parents would allow me to ride a motorbike </s> | [
1,
1,
29871,
678,
30975,
29876,
29871,
30128,
29976,
29886,
29871,
1715,
29871,
30128,
30030,
865,
325,
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29875,
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4485,
278,
5497,
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350,
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315,
29892,
470,
360,
373,... | [
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1,
1,
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1,
1,
1,
1,
1,
1,
1... |
<s> Chọn đáp án đúng với câu hỏi: Choose the letter A, B, C or D the word that has different stress pattern from others.
A. develop
B. essential
C. awareness
D. livelihood Đáp án là: D. livelihood </s> | [
1,
1,
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470,
360,
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1,
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1,
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1,
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1,
1,
1... |
<s> Chọn đáp án đúng với câu hỏi: Hỗn hợp X gồm ankađien (Y) và ankin ( Z ) có số mol bằng nhau. Cho x mol hỗn hợp X lội qua dung dịch brom (dư), số mol brom tham gia phản ứng là
A. 3 x.
B. 1,5 x.
C. x.
D. 2 x. Đáp án là: D. 2 x </s> | [
1,
1,
29871,
678,
30975,
29876,
29871,
30128,
29976,
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29871,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... |
<s> Chọn đáp án đúng với câu hỏi: Cho hai nguồn kếp hợp S 1, S 2 giống hệt nhau, cách nhau 5 cm, thì trên đoạn S 1 S 2 quan sát được 9 cực đại giao thoa. Nếu giảm tần số đi hai lần thì quan sát được bao nhiêu cực đại giao thoa?
A. 5
B. 7
C. 3
D. 17 Đáp án là: A. 5 </s> | [
1,
1,
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678,
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29876,
29871,
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29976,
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29871,
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865,
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1,
1,
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1,
1,
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1,
1,
1,
1,
1... |
<s> Chọn đáp án đúng với câu hỏi: Phản ứng nào sau đây không phải là phản ứng oxi hóa – khử?
A. C + O 2 → CO 2.
B. Fe 2 O 3 + 3CO → 2Fe + 3CO 2.
C. CaCO 3 → CaO + CO 2.
D. 3Fe + 2O 2 → Fe 3 O 4. Đáp án là: C. CaCO 3 → CaO + CO 2. </s> | [
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1... |
<s> Chọn đáp án đúng với câu hỏi: Loại sóng điện từ nào sau đây có khả năng phản xạ tốt ở tầng điện li?
A. Sóng cực dài
B. Sóng dài
C. Sóng ngắn
D. Sóng cực ngắn Đáp án là: C. Sóng ngắn </s> | [
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1,
1,
1,
1... |
<s> Chọn đáp án đúng với câu hỏi: Many young people in rural areas don’t want to spend their lives on the farm like Their _____________ parents. Therefore, they leave their home villages to find well-paid jobs in the fast-growing industrial zones.
A. long-term
B. up-to-date
C. weather-beaten
D. wide-ranging Đáp án là: C. weather-beaten </s> | [
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1... |
<s> Chọn đáp án đúng với câu hỏi: Cho số phức z thỏa mãn (1+i) z = 11-3i. Điểm M biểu diễn số phức z trong mặt phẳng tọa độ là:
A. M(4;-7)
B. M (14;-14)
C. M(8;-14)
D. M(7;-7) Đáp án là: A. M(4;-7) </s> | [
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1,
1,
1,
1,
1,
1,
1... |
<s> Chọn đáp án đúng với câu hỏi: Một trường học có khoảng từ 100 đến 150 học sinh khối 6. Khi xếp thành 10 hàng, 12 hàng, 15 hàng đều vừa đủ. Vậy hỏi số học sinh khối 6 của trường đó là bao nhiêu?
A. 110
B. 120
C. 140
D. 125 Đáp án là: B. 120 </s> | [
1,
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29876,
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1... |
<s> Chọn đáp án đúng với câu hỏi: Nhận định nào sau đây không đúng về vỏ địa lí?
A. Các thành phần của lớp vỏ địa lí đều chịu tác động của ngoại lực và nội lực.
B. Lãnh thỗ nào cũng có nhiều thành phần địa lí ảnh hưởng qua lại, phụ thuộc nhau.
C. Lớp vỏ địa lí chỉ thay đổi khi tất cả các thành phần của vỏ địa lí có sự biển đổi.
D. Một thành phần vỏ địa lí biến đổi kéo theo sự biến đổi tất cả các thành phần khác. Đáp án là: C. Lớp vỏ địa lí chỉ thay đổi khi tất cả các thành phần của vỏ địa lí có sự biển đổi. </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Which of the following is NOT true, according to the passage?
A. Valuing the diverse culture means understanding and respecting the beliefs of others and their way of life.
B. Valuing the diverse culture is about supporting individuals in keeping their cultural traditions alive.
C. Valuing the diverse culture means appreciating the fact that all these different traditions will enrich British life.
D. Valuing the diverse culture means keeping traditional cultures only, not borrowing from other cultures. Đáp án là: D. Valuing the diverse culture means keeping traditional cultures only, not borrowing from other cultures </s> | [
1,
1,
29871,
678,
30975,
29876,
29871,
30128,
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30128,
30030,
865,
325,
31280,
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274,
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298,
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190,
146,
29875,
29901,
8449,
310,
278,
1494,
338,
6058,
1565,
29892,
5034,
304,
278,
13382... | [
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<s> Chọn đáp án đúng với câu hỏi: Mr Johnson said he will never forgive me......... using his document without permission.
A. to
B. in
C. for
D. at Đáp án là: C. for </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Choose the letter A, B, C or D the word that has different stress pattern from others.
A. temperature
B. population
C. independent
D. altogether Đáp án là: A. temperature </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Cơ sở khoa học của luật hôn nhân gia đình “cấm kết hôn trong vòng 3 đời” là
A. Đột biến xuất hiện với tần số cao ở thế hệ sau
B. Thế hệ sau kém phát triển dần
C. Gen lặn có hại có điều kiện biểu hiện ra kiểu hình
D. Thế hệ sau có những biểu hiện suy giảm trí tuệ Đáp án là: C. Gen lặn có hại có điều kiện biểu hiện ra kiểu hình </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Hai tàu thủy, mỗi chiếc có khối lượng 50000 tấn cách nhau 1 km. Lấy g = 10 m / s 2. So sánh lực hấp dẫn giữa chúng và trọng lượng của một quả cân có khối lượng 15g.
A. Chưa biết
B. Bằng nhau.
C. Nhỏ hơn.
D. Lớn hơn. Đáp án là: D. Lớn hơn </s> | [
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<s> Chọn đáp án đúng với câu hỏi: 7m 56cm =............m. Số thập phân thích hợp điền vào chỗ chấm là:
A. 70,56
B. 7,056
C. 7,506
D. 7,56 Đáp án là: D. 7,56 </s> | [
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<s> Chọn đáp án đúng với câu hỏi: The word “boost” is CLOSEST in meaning to ______________.
A. increase
B. help
C. continue
D. advertise Đáp án là: A. increase </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Trong máu người luôn chứa một lượng glucozơ không đổi có nồng độ
A. 0,2%
B. 0,15%
C. 0,1%
D. 0,05% Đáp án là: C. 0,1% </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Thực hiện các thí nghiệm sau: (1) Sục khí CO 2 đến dư vào dung dịch Na[Al(OH) 4 ]. (2) Sục khí CO 2 đến dư vào dung dịchCa(OH) 2. (3) Sục khí NH 3 đến dư vào dung dịch AlCl 3. (4) Sục khí NH 3 đến dư vào dung dịch CuCl 2. Sau khi kết thúc thí nghiệm, số trường hợp thu được kết tủa là:
A. (1) và (2).
B. (2) và (4)
C. (3) và (4).
D. (1) và (3). Đáp án là: D. (1) và (3) </s> | [
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<s> Chọn đáp án đúng với câu hỏi: An eco-friendly reading space is likely to create a favorable impression (2)________ library users, and bring some significant educational benefits.
A. at
B. in
C. on
D. over Đáp án là: C. on </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Thắng lợi của quân dân Việt Nam trong cuộc chiến đấu chống thực dân Pháp ở các đô thị phía Bắc vĩ tuyến 16 (từ tháng 12/1946 đến tháng 2/1947) đã
A. làm thất bại bước đầu kế hoạch “đánh nhanh thắng nhanh” của Pháp.
B. mở ra bước phát triển lớn trong cuộc kháng chiến chống thực dân Pháp.
C. làm phá sản kế hoạch “đánh nhanh thắng nhanh” của thực dân Pháp.
D. làm thất bại ý chí xâm lược của thực dân Pháp. Đáp án là: A. làm thất bại bước đầu kế hoạch “đánh nhanh thắng nhanh” của Pháp. </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Mark the letter A, B, C, D on your answer sheet to indicate the word whose underlined part differs from that of the other three in pronunciation in each of the following questions:
A. look ed
B. stopp ed
C. clos ed
D. watch ed Đáp án là: C. clos ed </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Cho 1 + 3 + 3^2 + 3^3 +... + 3^n = (3^2023 – 1):2. Giá trị của n là
A. 2023;
B. 2020;
C. 2021;
D. 2022. Đáp án là: D. 2022 </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Nhóm nào dưới đây gồm những cây có lá biến thành tua cuốn?
A. đậu Hà Lan, nho, mướp, gấc
B. nắp ấm, mướp, bèo đất, nho
C. củ dong ta, cải, đậu bắp, mướp
D. riềng, bí, bèo đất, hạt bí Đáp án là: A. đậu Hà Lan, nho, mướp, gấc </s> | [
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1,
1,
1,
1,
1,
1,
1,
1... |
<s> Chọn đáp án đúng với câu hỏi: We___ and ___lunch at the cafeteria with them.
A. talked/ have
B. talked/ had
C. talk/ had
D. talked/ have Đáp án là: B. talked/ had </s> | [
1,
1,
29871,
678,
30975,
29876,
29871,
30128,
29976,
29886,
29871,
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865,
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1334,
22359,
322,
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1649,
29880,
3322,
472,
278,
274,
2142,
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<s> Chọn đáp án đúng với câu hỏi: Lựa chọn đáp án đúng nhất:11284 + 11560 x 3 =...............
A. 45960
B. 45962
C. 45964
D. 45966 Đáp án là: C. 45964 </s> | [
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<s> Chọn đáp án đúng với câu hỏi: G.Menđen tìm ra qui luật phân li độc lập trên cơ sở nghiên cứu phép lai
A. một tính trạng.
B. nhiều tính trạng.
C. hai hoặc nhiều tính trạng.
D. hai tính trạng. Đáp án là: A. một tính trạng. </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Cho dãy các tơ sau: xenlulozo axetat, capron, nitron, visco, nilon -6, nilon -6,6. Số tơ trong dãy thuộc loại tơ poliamit là
A. 1
B. 4
C. 3
D. 2 Đáp án là: C. 3 </s> | [
1,
1,
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29871,
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29976,
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29871,
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14542,
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<s> Chọn đáp án đúng với câu hỏi: “Do sit down.” - “That’s very kind _______ you.”
A. from
B. of
C. with
D. to Đáp án là: B. of </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Trên thế giới, nước ta nằm trong số các nước có mật độ dân số thế nào?
A. Thấp.
B. Trung Bình.
C. Cao.
D. Rất cao. Đáp án là: C. Cao. </s> | [
1,
1,
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330,
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2... | [
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1,
1,
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<s> Chọn đáp án đúng với câu hỏi: “Why don’t you join us? ________” - “Yes, I can. Certainly. ”
A. What’s the matter with you?
B. Can I help you?
C. Can you help me with these decorations?
D. Shall I take your coat off? Đáp án là: C. Can you help me with these decorations? </s> | [
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1... |
<s> Chọn đáp án đúng với câu hỏi: Các nhân tố nào dưới đây làm thay đổi tần số alen nhanh và được xem là các nhân tố gây nên sự tiến hóa mạnh trong sinh giới?
A. Các yếu tố ngẫu nhiên, di nhập gen, đột biến.
B. Chọn lọc tự nhiên, các yếu tố ngẫu nhiên, di nhập gen.
C. Chọn lọc tự nhiên, di nhập gen, đột biến.
D. Chọn lọc tự nhiên, các yếu tố ngẫu nhiên, giao phối không ngẫu nhiên. Đáp án là: B. Chọn lọc tự nhiên, các yếu tố ngẫu nhiên, di nhập gen. </s> | [
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1... |
<s> Chọn đáp án đúng với câu hỏi: Niu di len thuộc loại đảo nào sau đây?
A. Núi lửa
B. San hô
C. Lục địa
D. Đáo đá Đáp án là: C. Lục địa </s> | [
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1,
1,
1,
1,
1,
1,
1,
1... |
<s> Chọn đáp án đúng với câu hỏi: Khi cho 0,15 mol este đơn chức X tác dụng với dung dịch NaOH (dư), sau khi phản ứng kết thúc thì lượng NaOH phản ứng là 12 gam và tổng khối lượng sản phẩm hữu cơ thu được là 29,7 gam. Số đồng phân cấu tạo của X thỏa mãn các tính chất trên là:
A. 4
B. 5
C. 6
D. 2 Đáp án là: A. 4 </s> | [
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1... |
<s> Chọn đáp án đúng với câu hỏi: Đốt cháy 16,8 gam bột Fe trong V lít (đktc) hỗn hợp khí gồm Cl 2 và O 2, thu được hỗn hợp chất rắn X gồm các oxit và muối (không thấy khí thoát ra). Hòa tan X trong 480 ml dung dịch HCl 1M, thu được dung dịch Y. Cho dung dịch AgNO 3 dư vào Y, thấy thoát ra 0,03 mol khí NO (sản phẩm khử duy nhất của N + 5 ), đồng thời thu được 132,39 gam kết tủa. Giá trị của V là
A. 6,272
B. 7,168
C. 6,720
D. 5,600 Đáp án là: C. 6,720 </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Tập hợp các ion nào sau đây có thể cùng tồn tại trong một dung dịch:
A.
B.
C.
D. Đáp án là: B. </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Find the word which has a different sound in the part underlined.
A. pack ed
B. add ed
C. work ed
D. pronounc ed Đáp án là: B. add ed </s> | [
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<s> Chọn đáp án đúng với câu hỏi: All these new products were based _______ extensive market research.
A. from
B. with
C. on
D. at Đáp án là: C. on </s> | [
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... |
<s> Chọn đáp án đúng với câu hỏi: Khi nói về bệnh di truyền phân tử, khẳng định nào sau đây là đúng?
A. Bệnh di truyền phân tử liên quan đến đột biến nhiễm sắc thể.
B. Bệnh Phenylkêtoniêu, bạch tạng, Đao là bệnh di truyền phân tử.
C. Bệnh di truyền phân tử là bệnh do đột biến gen gây nên.
D. Bệnh di truyền phân tử chữa trị được. Đáp án là: C. Bệnh di truyền phân tử là bệnh do đột biến gen gây nên. </s> | [
1,
1,
29871,
678,
30975,
29876,
29871,
30128,
29976,
29886,
29871,
1715,
29871,
30128,
30030,
865,
325,
31280,
29875,
274,
30057,
29884,
298,
228,
190,
146,
29875,
29901,
476,
2918,
694,
30103,
29875,
2453,
31500,
30712,
367,
31214,
31500,
... | [
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... |
<s> Chọn đáp án đúng với câu hỏi: The summer course in English ________ conversation, grammar and listening classes.
A. contains
B. concludes
C. consists
D. comprises Đáp án là: D. comprises </s> | [
1,
1,
29871,
678,
30975,
29876,
29871,
30128,
29976,
29886,
29871,
1715,
29871,
30128,
30030,
865,
325,
31280,
29875,
274,
30057,
29884,
298,
228,
190,
146,
29875,
29901,
450,
11801,
3236,
297,
4223,
903,
7652,
22359,
14983,
29892,
25437,
... | [
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... |
<s> Chọn đáp án đúng với câu hỏi: My mother had to work 12 hours a day in a factory just to______.
A. make ends meet
B. call it a day
C. tighten the belt
D. break the ice Đáp án là: A. make ends meet </s> | [
1,
1,
29871,
678,
30975,
29876,
29871,
30128,
29976,
29886,
29871,
1715,
29871,
30128,
30030,
865,
325,
31280,
29875,
274,
30057,
29884,
298,
228,
190,
146,
29875,
29901,
1619,
5637,
750,
304,
664,
29871,
29896,
29906,
6199,
263,
2462,
29... | [
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... |
<s> Chọn đáp án đúng với câu hỏi: What does the passage mainly discuss?
A. The benefits brought about by urbanization in the 1800’s
B. The population of large urban areas in the 1800’s
C. The problems associated with urban areas in the United States
D. The history of the urbanization of the United States Đáp án là: D. The history of the urbanization of the United States </s> | [
1,
1,
29871,
678,
30975,
29876,
29871,
30128,
29976,
29886,
29871,
1715,
29871,
30128,
30030,
865,
325,
31280,
29875,
274,
30057,
29884,
298,
228,
190,
146,
29875,
29901,
1724,
947,
278,
13382,
14364,
5353,
29973,
13,
29909,
29889,
450,
2... | [
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... |
<s> Chọn đáp án đúng với câu hỏi: Những đảo ven bờ có điều kiện thích hợp nhất để phát triển tổng hợp các ngành kinh tế biển là:
A. Cô Tô, Cái Bầu, Thổ Chu
B. Cát Bà, Côn Đảo, Phú Quốc
C. Lý Sơn, Cù Lao Chàm, Hòn Khoai
D. Các đảo trong vịnh Hạ Long. Đáp án là: B. Cát Bà, Côn Đảo, Phú Quốc </s> | [
1,
1,
29871,
678,
30975,
29876,
29871,
30128,
29976,
29886,
29871,
1715,
29871,
30128,
30030,
865,
325,
31280,
29875,
274,
30057,
29884,
298,
228,
190,
146,
29875,
29901,
405,
6905,
207,
158,
30478,
865,
29871,
30128,
29874,
207,
140,
298... | [
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... |
<s> Chọn đáp án đúng với câu hỏi: Sau cuộc Cách mạng 1905 - 1907, nước Nga vẫn là một nước
A. quân chủ chuyên chế.
B. quân chủ lập hiến.
C. cộng hòa đại nghị.
D. cộng hòa quý tộc. Đáp án là: A. quân chủ chuyên chế. </s> | [
1,
1,
29871,
678,
30975,
29876,
29871,
30128,
29976,
29886,
29871,
1715,
29871,
30128,
30030,
865,
325,
31280,
29875,
274,
30057,
29884,
298,
228,
190,
146,
29875,
29901,
23863,
2723,
29877,
31214,
31500,
29883,
9243,
30103,
305,
611,
31214... | [
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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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... |
<s> Chọn đáp án đúng với câu hỏi: Tại sao văn học thời Trần mang đậm tinh thần yêu nước, niềm tự hào dân tộc?
A. Do nền kinh tế phát triển, tinh thần tự cường của dân tộc dâng cao
B. Do đất nước liên tục phải đương đầu và đều đánh thắng các cuộc chiến tranh xâm lược của kẻ thù
C. Do nền văn hóa dân tộc được xây dựng và phát triển mạnh
D. Do Đại Việt vươn lên trở thành cường quốc hùng mạnh nhất Đông Nam Á Đáp án là: B. Do đất nước liên tục phải đương đầu và đều đánh thắng các cuộc chiến tranh xâm lược của kẻ thù </s> | [
1,
1,
29871,
678,
30975,
29876,
29871,
30128,
29976,
29886,
29871,
1715,
29871,
30128,
30030,
865,
325,
31280,
29875,
274,
30057,
29884,
298,
228,
190,
146,
29875,
29901,
10523,
31214,
29875,
872,
29877,
2947,
207,
137,
29876,
5089,
31214,
... | [
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... |
<s> Chọn đáp án đúng với câu hỏi: Hai vectơ được gọi là bằng nhau khi và chỉ khi
A. Giá của chúng trùng nhau và độ dài của chúng bằng nhau;
B. Chúng trùng với một trong các cặp cạnh đối của một hình bình hành;
C. Chúng trùng với một trong các cặp cạnh đối của một tam giác đều;
D. Chúng có cùng hướng và độ dài của chúng bằng nhau. Đáp án là: D. Chúng có cùng hướng và độ dài của chúng bằng nhau </s> | [
1,
1,
29871,
678,
30975,
29876,
29871,
30128,
29976,
29886,
29871,
1715,
29871,
30128,
30030,
865,
325,
31280,
29875,
274,
30057,
29884,
298,
228,
190,
146,
29875,
29901,
379,
1794,
325,
522,
30556,
29871,
30128,
30416,
31645,
29883,
330,
... | [
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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