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<s> Chọn đáp án đúng với câu hỏi: I failed the exam. My mother was disappointed.
A. If I had failed the exam, my mother would be disappointed.
B. Unless I failed the exam, my mother wouldn't be disappointed.
C. I failed the exam, which made my mother disappointed.
D. My mother was disappointed so I failed the exam. Đáp án là: C. I failed the exam, which made my mother disappointed. </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Thả cho một êlectron không có vận tốc đầu trong một điện trường. Electron đó có
A. chuyển động dọc theo một đường sức điện
B. chuyển động từ điểm có điện thế cao xuống điểm có điện thế thấp
C. chuyển động từ điểm có điện thế thấp lên điểm có điện thế cao.
D. đứng yên Đáp án là: C. chuyển động từ điểm có điện thế thấp lên điểm có điện thế cao. </s>
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<s> Chọn đáp án đúng với câu hỏi: Chọn câu phát biểu đúng
A. Chiếu ánh sáng trắng qua tấm lọc màu ta sẽ được ánh sáng có màu của tấm lọc
B. Chiếu ánh sáng trắng qua tấm lọc màu ta sẽ được ánh sáng có màu trắng hơn.
C. Chiếu ánh sáng trắng qua bất cứ tấm lọc màu nào ta cũng được ánh sáng có màu đỏ
D. Chiếu ánh sáng màu qua tấm lọc màu ta sẽ được ánh sáng có màu trắng Đáp án là: A. Chiếu ánh sáng trắng qua tấm lọc màu ta sẽ được ánh sáng có màu của tấm lọc </s>
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<s> Chọn đáp án đúng với câu hỏi: Bước sóng là
A. quãng đường mà sóng truyền được trong một chu kì.
B. khoảng cách giữa hai điểm dao động cùng pha trên một phương truyền sóng.
C. khoảng cách giữa hai diêm gân nhau nhất dao động cùng pha.
D. khoảng cách giữa hai điểm dao động cùng pha. Đáp án là: A. quãng đường mà sóng truyền được trong một chu kì. </s>
|
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<s> Chọn đáp án đúng với câu hỏi: - Huong: “That millions of people attended General Vo Nguyen Giap’s funeral made a special impression on almost every foreigner.” - Lan: “___________.”
A. My pleasure
B. Me neither
C. I’m afraid I can’t
D. I’ll say Đáp án là: D. I’ll say </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Nhân vật nào sau đây không phải là những đại diện tiêu biểu của nền văn học Xô Viết?
A. M. Goóc-ki.
B. M. Sô-lô-khốp.
C. A. Tôn- xtôi.
D. O. Henry. Đáp án là: A. M. Goóc-ki. </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Đặt hai viên pin giống hệt nhau trước một gương cầu lồi và một gương phẳng. Kết luận nào sau đây là đúng khi so sánh kích thước ảnh của viên pin tạo bởi gương cầu lồi và gương phẳng:
A. Ảnh của gương cầu lồi nhỏ hơn ảnh của gương phẳng
B. Ảnh của gương cầu lồi bằng ảnh của gương phẳng
C. Ảnh của gương cầu lồi lớn hơn ảnh của gương phẳng
D. Không thể so sánh được Đáp án là: A. Ảnh của gương cầu lồi nhỏ hơn ảnh của gương phẳng </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Choose the best answer. Mr. Smith is ___old customer and ___honest man.A. an-the
B. the-an
C. an-an
D. the-the Đáp án là: C. an-an </s>
|
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273,
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2,
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] |
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<s> Chọn đáp án đúng với câu hỏi: Each of us must take...... for our own actions.
A. ability
B. responsibility
C. possibility
D. probability Đáp án là: B. responsibility </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Tìm x thỏa mãn: 246 : x + 34 : x = 5
A. 57
B. 56
C. 55
D. 54 Đáp án là: B. 56 </s>
|
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1,
1
] |
<s> Chọn đáp án đúng với câu hỏi: Trên Trái Đất có bao nhiêu vòng tuần hoàn của nước?
A. 1
B. 2
C. 3
D. 4 Đáp án là: B. 2 </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Khu vực nào sau đây có 6 tháng là ngày và 6 tháng là đêm trong một năm?
A. Vòng cực.
B. Cực.
C. Chí tuyến.
D. Xích đạo. Đáp án là: B. Cực. </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Choose the letter A, B, C, or D indicate the word or phrase that is CLOSEST in meaning to the underlined part in each of the following questions Choose the word or phrase that is CLOSEST in meaning to the underlined part: The hotel staff are always friendly and courteous.
A. efficient
B. perfect
C. helpful
D. polite Đáp án là: D. polite </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
] |
<s> Chọn đáp án đúng với câu hỏi: Tơ nitron dai, bền với nhiệt, giữ nhiệt tốt, thường được dùng để dệt vải và may quần áo ấm. Trùng hợp chất nào sau đây tạo thành polime dùng để sản xuất tơ nitron?
A. CH 2 =CH-CN
B. H 2 N-[CH 2 ] 5 -COOH
C. CH 2 =CH-CH 3
D. H 2 N-[CH 2 ] 6 -NH 2 Đáp án là: A. CH 2 =CH-CN </s>
|
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1,
1
] |
<s> Chọn đáp án đúng với câu hỏi: He single-handedly solved the problem for the company and was named Employee of the Month
A. easily
B. lonely
C. effectively
D. by himself Đáp án là: D. by himself </s>
|
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1,
1,
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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 primary stress in each of the following questions.
A. equipment.
B. sympathy.
C. poverty.
D. character. Đáp án là: A. equipment. </s>
|
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1,
1,
1,
1,
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] |
<s> Chọn đáp án đúng với câu hỏi: Ban chấp hành Trung ương Đảng chủ trương giải quyết vấn đề dân tộc trong khuôn khổ từng nước ở Đông Dương vào thời gian nào?
A. Tháng 10-1930
B. Tháng 11-1939
C. Tháng 11-1940
D. Tháng 5-1941 Đáp án là: D. Tháng 5-1941 </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Chọn phát biểu đúng về đặc trưng của các hiện tượng.
A. Hiện tượng giao thoa dễ quan sát đối với ánh sáng có bước sóng ngắn.
B. Hiện tượng quang điện chứng tỏ tính chất sóng của ánh sáng.
C. Sóng điện từ có bước sóng lớn thì năng lượng photon nhỏ.
D. Những sóng điện từ có tần số càng lớn thì tính chất sóng thể hiện càng rõ. Đáp án là: C. Sóng điện từ có bước sóng lớn thì năng lượng photon nhỏ. </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Cho hỗn hợp X gồm 2 chất hữu cơ no đơn chức tác dụng vừa đủ với 100 ml dung dịch NaOH 0,5M thu đ ư ợc một muối và 448 ml hơi một ancol (ở đktc). Nếu đốt cháy hoàn toàn hỗn hợp X trên, sau đó hấp thụ hết sản phẩm cháy vào bình đựng Ca(OH) 2 d ư thì khối l ư ợng bình tăng 8,68. Công thức của 2 hợp chất trên là:
A. C 2 H 5 COOH và C 2 H 5 COOCH 3
B. HCOOH và HCOOC 2 H 5
C. CH 3 COOH và CH 3 COOCH 3
D. CH 3 COOH và CH 3 COOC 2 H 5 Đáp án là: B. HCOOH và HCOOC 2 H 5 </s>
|
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] |
<s> Chọn đáp án đúng với câu hỏi: _______ to seek employment for months, he was finally offered a job at a marketing firm.
A. Has struggled
B. Have struggled
C. Struggled
D. Having struggled Đáp án là: D. Having struggled </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Công nghiệp silicat là công nghiệp sản xuất
A. đá vôi, đất sét, thủy tinh
B. đồ gốm, thủy tinh, xi măng
C. hiđrocacbon, thạch anh, thủy tinh
D. thạch anh, đất sét, đồ gốm Đáp án là: B. đồ gốm, thủy tinh, xi măng </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Thực dân Pháp ở Đông Dương thẳng tay đàn áp phong trào cách mạng Đông Dương và thỏa hiệp với phát xít Nhật, phát xít Nhật lôi kéo tập hợp tay sai tuyên truyền lừa bịp để dọn đường hất cẳng Pháp. Đó là đặc đỉểm tình hình Việt Nam trong thời kì:
A. 1930- 1931.
B. 1932- 1933.
C. 1936- 1939.
D. 1939- 1940. Đáp án là: D. 1939- 1940 </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Bỏ ngoặc rồi tính 5−(4−7+12)+(4−7+12) ta được
A. −13
B. 5
C. −23
D. 23 Đáp án là: B. 5 </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Choose A, B, C, or D that best completes each sentence. Billy, come and give me a hand with cooking.
A. help
B. prepared
C. be busy
D. attempt Đáp án là: A. help </s>
|
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1,
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1,
1,
1
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<s> Chọn đáp án đúng với câu hỏi: Sự cải thiện quan hệ với Liên Xô và Trung Quốc đầu thập niên 70 của thế kỉ XX là biểu hiện của việc Mĩ
A. củng cố, mở rộng quan hệ hợp tác với các nước xã hội chủ nghĩa.
B. điều chỉnh chính sách đối ngoại trong thời kì Chiến tranh lạnh.
C. tranh thủ sự ủng hộ của hai nước nhằm giải quyết vấn đề Campuchia.
D. từng bước không chế và chi phối hai cường quốc xã hội chủ nghĩa. Đáp án là: B. điều chỉnh chính sách đối ngoại trong thời kì Chiến tranh lạnh. </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Điểm nào sau đây biểu hiện chủ yếu nhất cho một nền kinh tế tăng trưởng bền vững?
A. Ngành nông nghiệp chiếm tỉ trọng cao trong cơ cấu nền kinh tế.
B. Cơ cấu giữa các ngành, các thành phần kinh tế và các vùng lãnh thổ hợp lí.
C. Cơ cấu giữa các ngành, các thành phần kinh tế hợp lí và phân bố rộng khắp.
D. Cơ cấu ngành và vùng kinh tế hợp lí, kinh tế ngoài nhà nước đóng vai trò chủ đạo Đáp án là: B. Cơ cấu giữa các ngành, các thành phần kinh tế và các vùng lãnh thổ hợp lí. </s>
|
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<s> Chọn đáp án đúng với câu hỏi: “Sống trong lao động, chết trong chiến đấu” là khẩu hiệu đấu tranh của phong trào nào?
A. Khởi nghĩa của công nhân Li-ông (Pháp).
B. Khởi nghĩa của công nhân Sơ-lê-din (Đức).
C. Phong trào Hiến chương.
D. Khởi nghĩa của công nhân Pari (Pháp). Đáp án là: A. Khởi nghĩa của công nhân Li-ông (Pháp). </s>
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1,
1,
1,
1,
1,
1,
1,
1,
1
] |
<s> Chọn đáp án đúng với câu hỏi: If ____________, the Xmas tree would look more impressive.
A. being done carefully
B. it were to be carefully done
C. done carefully
D. it is carefully done Đáp án là: B. it were to be carefully done </s>
|
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1,
1,
1,
1,
1,
1,
1
] |
<s> Chọn đáp án đúng với câu hỏi: You (60).................to be on your own.
A. pretend
B. oppose
C. refuse
D. prefer Đáp án là: D. prefer </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Loài nào sau đây không thuộc ngành Ruột khoang
A. Sứa
B. Thủy tức
C. Trùng sốt rét
D. San hô Đáp án là: C. Trùng sốt rét </s>
|
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1,
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1,
1,
1
] |
<s> Chọn đáp án đúng với câu hỏi: Thuỷ phân không hoàn toàn m gam hexanpetit H thu được 30,45 gam Ala-Gly-Gly; 76,5 gam Gly-Val-Ala; 228,9 gam Ala-Glu; y gam Gly-Gly và x gam hỗn hợp các aminoaxit Val, Glu. Giá trị của y gần nhất với (biết thuỷ phân không hoàn toàn H không thu được Gly-Ala-Glu và Gly-Ala-Val)?
A. 86,5
B. 150,0.
C. 59,5.
D. 156,5. Đáp án là: C. 59,5. </s>
|
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1
] |
<s> Chọn đáp án đúng với câu hỏi: The word “ It ” in paragraph 3 refers to _______.
A. destination
B. restaurant
C. vacation
D. car Đáp án là: D. car </s>
|
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<s> Chọn đáp án đúng với câu hỏi: The more you say, the worst the situation will be.
A. The more
B. say
C. the worst
D. will be Đáp án là: C. the worst </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Bất phương trình nào sau đây là bất phương trình bậc nhất hai ẩn dạng ax + by + c ≤ 0?
A. 2x + y^2 – 3x^2 < 0;
B. 4x – y ≤ 4y – 5;
C. 6x + 2 > 0;
D. x^2 – 2 ≥ 0. Đáp án là: B. 4x – y ≤ 4y – 5; </s>
|
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2,
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<s> Chọn đáp án đúng với câu hỏi: The people interviewed for the survey were randoml y selected.
A. thoughtfully
B. carefully
C. indiscriminately
D. carelessly Đáp án là: C. indiscriminately </s>
|
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<s> Chọn đáp án đúng với câu hỏi: My parents got married _______ December.
A. in
B. on
C. at
D. up Đáp án là: A. in </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Cây trồng chính của vùng Đông Nam Bộ là
A. Cao su.
B. Cây công nghiệp nhiệt đới lâu năm.
C. Cây công nghiệp nhiệt đới.
D. Lúa gạo. Đáp án là: B. Cây công nghiệp nhiệt đới lâu năm. </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Đặc điểm cấu tạo quan trọng nhất về hệ mạch của tuần hoàn hở
A. Không có hệ mạch bạch huyết
B. Không có dịch mô bao quanh tế bào
C. Giữa động mạch và tĩnh mạch không được nối với nhau bởi mao mạch
D. Có các lỗ hở trên thành tim để máu về tim Đáp án là: C. Giữa động mạch và tĩnh mạch không được nối với nhau bởi mao mạch </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Một lò xo đang dao động điều hòa, lực đàn hồi và chiều dài của lò xo có mối liên hệ được cho bởi đồ thị như hình vẽ, cho g = 10 m/s 2. Biên độ và chu kì dao động của con lắc là:
A. A = 8cm; T = 0,56s.
B. A = 6cm; T = 0,28s.
C. A = 4cm; T = 0,28s.
D. A = 6cm; T = 0,56s. Đáp án là: B. A = 6cm; T = 0,28s. </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Ở Đồng bằng sông Hồng và Đồng bằng sông Cửu Long, vùng đồng bằng ven biển có đặc điểm
A. mở rộng với các bãi triều thấp, phẳng.
B. bị chia cắt thành những đồng bằng nhỏ.
C. có các địa hình bồi tụ, mài mòn xen kẽ nhau.
D. các dạng địa hình cồn cát, đầm phá khá phổ biến. Đáp án là: A. mở rộng với các bãi triều thấp, phẳng. </s>
|
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1,
1,
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1,
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1,
1,
1,
1,
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<s> Chọn đáp án đúng với câu hỏi: Trong phân tử NaCl, điện hóa trị của Na và Cl lần lượt là
A. 1+ và 1-
B. +1 và +1
C. -1 và -1
D. -1 và +1 Đáp án là: A. 1+ và 1- </s>
|
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1,
1
] |
<s> Chọn đáp án đúng với câu hỏi: Một tổ thợ may 6 người trong 1 ngày may được 24 cái áo. Hỏi 1 người trong tổ 1 tuần may được bao nhiêu cái áo, biết năng suất của mỗi người như nhau và 1 tuần làm việc 6 ngày?
A. 12 cái
B. 24 cái
C. 36 cái
D. 48 cái Đáp án là: B. 24 cái </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,
1,
1,
1,
1
] |
<s> Chọn đáp án đúng với câu hỏi: Dung dịch X có chứa 0,3 mol Na + ; 0,1 mol Mg 2+ ; 0,2 mol Cl ‐ và x mol NO 3 -. Khối lượng muối trong dung dịch X là
A. 35,0 gam
B. 28,8 gam
C. 37,4 gam
D. 31,2 gam Đáp án là: A. 35,0 gam </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Yếu tố nào dưới đây đã tác động đến sự phân hóa của xã hội Việt Nam sau Chiến tranh thế giới thứ nhất?
A. Thắng lợi của cuộc Cách mạng tháng Mười Nga (1917).
B. Cuộc khai thác thuộc địa lần thứ hai của thực dân Pháp.
C. Phe Hiệp ước giành thắng lợi trong Chiến tranh thế giới thứ nhất.
D. Trật tự thế giới theo Hệ thống Vécxai - Oasinhtơn được thiết lập. Đáp án là: B. Cuộc khai thác thuộc địa lần thứ hai của thực dân Pháp. </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Một tụ điện có điện dung 2 μ F. Khi đặt một hiệu điện thế 4V vào hai bản tụ thì tụ điện tích được điện lượng là:
A. 2.10 - 6 C
B. 16.10 - 6 C
C. 4.10 - 6 C
D. 8.10 - 6 C Đáp án là: D. 8 </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Chu kì của hàm số y=sin(x)/2+cosx là:
A. 0
B. 2π
C. 4π
D. 6π Đáp án là: C. 4π </s>
|
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1,
1,
1,
1,
1,
1,
1,
1,
1,
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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,
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
] |
<s> Chọn đáp án đúng với câu hỏi: at/ My/ is/ 255/ Tran Phu street/ house.
A. My house is at 255 Tran Phu street.
B. My house is 255 at Tran Phu street.
C. My house is Tran Phu street at 255.
D. My house at 255 is Tran Phu street. Đáp án là: A. My house is at 255 Tran Phu street. </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Hàm số nào sau đây có đồ thị không là đường hình sin?
A. y = sinx
B. y = cosx
C. y = sin2x
D. y = cotx Đáp án là: D. y = cotx </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Số nào dưới đây là số hữu tỉ âm?
A. 2/3;
B. 0;
C. 36/7;
D. –5. Đáp án là: D. –5 </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Mickey: "______________?" - Pluto: "I like collecting stamps."
A. What do you plan to do next
B. How do you collect stamps
C. Where do you keep stamps
D. What is your hobby Đáp án là: D. What is your hobby </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Thắp sáng một đèn LED lục bên cạnh một đèn quả nhót đỏ đang sáng, ta sẽ thấy gì?
A. Nhìn vào hai đèn ta thấy có màu đỏ.
B. Nhìn vào hai đèn ta thấy có màu lục.
C. Nhìn vào hai đèn ta thấy có màu vàng.
D. Ánh sáng đèn LED vẫn có màu lục, ánh sáng đèn quả nhót vẫn có màu đỏ. Đáp án là: C. Nhìn vào hai đèn ta thấy có màu vàng. </s>
|
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1,
1
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<s> Chọn đáp án đúng với câu hỏi: Arranging flowers _____ among my mother’s hobbies.
A. is
B. are
C. were
D. have been Đáp án là: A. is </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,
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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: It is essential that every student _________ to learn English at university.
A. had
B. have
C. has
D. to have Đáp án là: B. have </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Vùng biển nước ta rộng bao nhiêu k m 2?
A. Rộng khoảng 0,5 triệu k m 2.
B. Rộng khoảng 1 triệu k m 2.
C. Rộng khoảng 1,5 triệu k m 2.
D. Rộng khoảng 2 triệu k m 2. Đáp án là: B. Rộng khoảng 1 triệu k m 2. </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Khi cho NH 3 vào dd AlCl 3 từ từ đến dư, hiện tượng là
A. có kết tủa keo trắng, sau đó kết tủa tan
B. có kết tủa keo trắng, kết tủa không tan
C. có kết tủa keo trắng, kết tủa tăng dần, sau đó tan dần
D. không có hiện tượng gì xảy ra Đáp án là: B. có kết tủa keo trắng, kết tủa không tan </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Tính chất hoá học nào sau đây là tính chất của dung dịch axit sunfuric loãng?
A. Tính axit mạnh.
B. Tính oxi hoá mạnh.
C. Tính háo nước.
D. Tính axit và tính oxi hoá mạnh. Đáp án là: A. Tính axit mạnh. </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Smartphones are becoming reasonably priced. New applications make them more appealing.
A. Whatever new applications smartphones have, they are becoming more appealing with reasonable prices.
B. No matter how reasonable the prices OS smartphones are, they are not so appealing with new applications.
C. Appealing though smartphones are with new applications, they are becoming less affordably priced.
D. Not only are smartphones becoming more affordable but, with new applications, they are also more appealing. Đáp án là: D. Not only are smartphones becoming more affordable but, with new applications, they are also more appealing </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Cho dãy số (u_n) biết u_n=1/2+1/(2^2)+1/(3^2)+...+1/(n^2). Mệnh đề nào sau đây đúng?
A. Dãy số bị chặn dưới.
B. Dãy số bị chặn trên.
C. Dãy số bị chặn.
D. Không bị chặn Đáp án là: C. Dãy số bị chặn. </s>
|
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] |
<s> Chọn đáp án đúng với câu hỏi: Chọn phát biểu đúng.
A. Giá trị tuyệt đối của một số luôn là một số dương;
B. Giá trị tuyệt đối của một số luôn là một số không âm;
C. Giá trị tuyệt đối của một số luôn là một số không dương.
D. Giá trị tuyệt đối của một số luôn là một số âm. Đáp án là: B. Giá trị tuyệt đối của một số luôn là một số không âm; </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Chất X có công thức phân tử C 4 H 9 O 2 N và là este của amino axit. Số công thức cấu tạo có thể có của X là
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: Câu văn nào không nói đúng ý nghĩa của hình ảnh so sánh: "Và cái lầm đó không những làm tôi thẹn mà còn tủi cực nữa, khác gì cái ảo ảnh của một dòng nước trong suốt chảy dưới bóng râm đã hiện ra trước con mắt gần rạn nứt của người bộ hành ngã gục giữa sa mạc" (Trong lòng mẹ, Nguyên Hồng)?
A. Hồng rất sợ người cô biết mình nhận nhầm mẹ.
B. Hồng sợ mình trở thành trò cười cho lũ bạn.
C. Hồng rất đau khổ nếu đó là sự nhận nhầm.
D. Hồng khao khát gặp mẹ, coi được gặp mẹ là hạnh phúc. Đáp án là: A. Hồng rất sợ người cô biết mình nhận nhầm mẹ. </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Muối ăn (NaCl) kết tinh là điện môi. Chọn câu đúng.
A. Trong muối ăn kết tinh có nhiều ion dương tự do.
B. Trong muối ăn kết tinh có nhiều ion âm tự do.
C. Trong muối ăn kết tinh có nhiều electron tự do.
D. Trong muối ăn kết tinh hầu như không có ion và electron tự do. Đáp án là: D. Trong muối ăn kết tinh hầu như không có ion và electron tự do </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Dòng điện cảm ứng trong một cuộn dây dẫn kín đổi chiều khi
A. cuộn dây đang quay trong từ trường thì dừng lại
B. số đường sức từ đi qua tiết diện của cuộn dây liên tục tăng hoặc liên tục giảm
C. số đường sức từ đi qua tiết diện của cuôn dây đang tăng thì giảm hoặc ngược lại
D. nam châm đang tiến gần cuộn dây thì dừng lại Đáp án là: C. số đường sức từ đi qua tiết diện của cuôn dây đang tăng thì giảm hoặc ngược lại </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Một loài thực vật có bộ NST 2n=6. Trên mỗi cặp NST, xét một gen có hai alen. Do đột biến, trong loài đã xuất hiện 3 dạng thể ba tương ứng với các cặp NST. Theo lí thuyết, các thể ba này có tối đa bao nhiêu loại kiểu gen về các gen đang xét?
A. 64
B. 144
C. 36
D. 108 Đáp án là: D. 108 </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 word or phrase for each of the blanks from 15 to 19 About 50 or so kinds modern plastic are made from oil, gas, or coal-non-renewable natural resources. We (15)______ well over three million tons of the stuff in Japan each year and, sooner or later, most of it is thrown away.A high proportion of our animal consumption is in the (16)________ of packaging and this constitutes about seven percent by weight, of our domestic (17)________. Almost all of it can be recycled, but very little of it is, though the plastic recycling industry is growing fast. The plastics themselves are extremely energy - rich – they have a higher calorific (18)_________ than coal and one methodn of “recovery” strongly (19)__________ by plastic manufacturers if the conversion of waste plastic into a fuel. Question 17:
A. goods
B. refuse
C. rubble
D. requirements Đáp án là: B. refuse </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Nội dung nào sau đây không thuộc nội dung cải cách kinh tế của cuộc Duy tân Minh Trị?
A. Xây dựng cơ sở hạ tầng phục vụ cho hoạt động kinh tế.
B. Thống nhất thị trường, tiền tệ.
C. Duy trì sự độc quyền ruộng đất của giai cấp phong kiến.
D. Tăng cường phát triển kinh tế tư bản chủ nghĩa ở nông thôn. Đáp án là: C. Duy trì sự độc quyền ruộng đất của giai cấp phong kiến. </s>
|
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549,
413,
347,
31500,
30103,
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29889,
29871,
2,
2
] |
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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,
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1,
1,
1,
1,
1,
1,
1
] |
<s> Chọn đáp án đúng với câu hỏi: Đốt cháy hoàn toàn 0,08 mol một chất béo X cần dùng vừa đủ 6,36 mol O 2. Mặt khác, cho lượng X trên vào dung dịch nước Br 2 dư thấy có 0,32 mol Br 2 tham gia phản ứng. Nếu cho lượng X trên tác dụng hết với NaOH thì khối lượng muối khan thu được là?
A. 72,8
B. 88,6
C. 78,4
D. 58,4 Đáp án là: A. 72,8 </s>
|
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2,
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] |
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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,
1,
1,
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: A. secure B. oblige C. vacant D. equip
A. secure
B. oblige
C. vacant
D. equip Đáp án là: A. secure </s>
|
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2,
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1,
1,
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1,
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1,
1,
1,
1,
1,
1
] |
<s> Chọn đáp án đúng với câu hỏi: Một điện trở R = 1Ω được mắc vào nguồn điện có suất điện động 1,5V để tạo thành mạch kín thì công suất tỏa nhiệt ở điện trở này là 0,36W. Hiệu điện thế giữa hai đầu điện trở R và điện trở trong của nguồn điện lần lượt là:
A. 1,2V và 3Ω
B. 1,2V và 1 Ω
C. 1,2V và 3 Ω
D. 0,6V và 1,5 Ω Đáp án là: B. 1,2V và 1 Ω </s>
|
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2,
2
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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,
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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,
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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,
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
] |
<s> Chọn đáp án đúng với câu hỏi: Mr. Young, general manager of the emergency response division of AMSA, said that the debris was spotted along a busy shipping route and could be containers that had fallen off cargo vessels
A. seen
B. collected
C. shot
D. analyzed Đáp án là: A. seen </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Dãy số nào chia hết cho 2 và 5?
A.13, 44, 76
B. 40, 57, 99
C. 70, 25, 160
D. 40, 80, 100 Đáp án là: D. 40, 80, 100 </s>
|
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1,
1,
1,
1,
1,
1,
1
] |
<s> Chọn đáp án đúng với câu hỏi: Dạng địa hình chính ở phía đông của khu vực Đông Á là gì?
A. Núi thấp và những đồng bằng rộng.
B. Bồn địa và cao nguyên.
C. Núi cao và thung lũng.
D. Hoang mạc và bán hoang mạc. Đáp án là: A. Núi thấp và những đồng bằng rộng. </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Câu chủ đề có vai trò như thế nào trong đoạn văn?
A. Làm ý chính nổi bật
B. Dẫn đến ý chính
C. Là ý chính
D. Giải thích cho ý chính Đáp án là: C. Là ý chính </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Cơ thể tứ bội được tạo thành không phải do
A. sự thụ tinh của 2 giao tử 2n thuộc 2 cá thể khác nhau
B. sự tạo thành giao tử 2n từ thể lưỡng bội và sự thụ tinh của hai giao tử này
C. NST ở hợp tử nhân đôi nhưng không phân li
D. NST ở tế bào sinh dưỡng nhân đôi nhưng không phân li Đáp án là: D. NST ở tế bào sinh dưỡng nhân đôi nhưng không phân li </s>
|
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31500,
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619,
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2,
2
] |
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<s> Chọn đáp án đúng với câu hỏi: Hình vuông có mấy trục đối xứng?
A. 1
B. 2
C. 3
D. 4 Đáp án là: D. 4 </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Khi một sóng cơ truyền từ không khí vào nước thì đại lượng nào sau đây không thay đổi?
A. Tốc độ truyền sóng
B. Tần số sóng
C. Bước sóng.
D. Năng lượng. Đáp án là: B. Tần số sóng </s>
|
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<s> Chọn đáp án đúng với câu hỏi: - I think you’ve played very splendidly in the match, Nam! - Nam: Thank you. That’s a nice compliment. I wish I could do ____ you. I’m still terrible.
A. as badly as
B. double as well as
C. half as well as
D. far worse than Đáp án là: C. half as well as </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Thời gian ngày đêm dài ngắn khác nhau giữa các vĩ độ phụ thuộc vào
A. Góc chiếu của tia sáng Mặt Trời tại vĩ độ đó.
B. Vận tốc quay của Trái Đất.
C. Khoảng cách giữa Trái Đất và Mặt Trời.
D. Lượng nhiệt vĩ độ đó nhận được. Đáp án là: A. Góc chiếu của tia sáng Mặt Trời tại vĩ độ đó. </s>
|
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1
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<s> Chọn đáp án đúng với câu hỏi: Ở 1 loài thực vật, cho biết A quy định thân cao trội hoàn toàn so với a quy định thân thấp; B quy định chín sớm trội hoàn toàn so với b quy định chín muộn. Cho 1 cây thân cao, chín sớm (P) tự thụ phận, thu được F 1 có 4 loại kiểu hình, trong đó có 3,24% số cây thân thấp, chín muộn. Biết không xảy ra đột biến nhưng xảy ra hoán vị gen ở cả hai giới với tần số bằng nhau. Theo lí thuyết, có bao nhiêu phát biểu sau đây đúng? I. Ở F 1, kiểu hình thân cao, chín sớm thuần chủng chiếm tỉ lệ là 3,24%. II. Ở F 1, kiểu hình thân thấp, chín sớm thuần chủng chiếm tỉ lệ là 10,24%. III. Ở F 1, tổng số cá thể đồng hợp hai cặp gen chiếm tỉ lệ là 26,96%. IV. Ở F 1, tổng số cá thể dị hợp một cặp gen chiếm tỉ lệ là 46,08%.
A. 1.
B. 2.
C. 3.
D. 4. Đáp án là: D. 4 </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Các di sản văn hóa của thế giới trong vùng Duyên hải Nam Trung Bộ là
A. vịnh Hạ Long, Phong Nha - Kẻ Bàng.
B. Di tích Mĩ sơn, quan họ Bắc Ninh.
C. Phố cổ Hội An, di tích Mĩ Sơn.
D. Cố đô Huế, nhã nhạc cung đình Huế. Đáp án là: C. Phố cổ Hội An, di tích Mĩ Sơn. </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,
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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,
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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,
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
] |
<s> Chọn đáp án đúng với câu hỏi: Chất nào sau đây có trạng thái lỏng ở điều kiện thường?
A. (C 17 H 33 COO) 3 C 3 H 5
B. (C 17 H 35 COO) 3 C 3 H 5
C. C 6 H 5 OH(phenol)
D. (C 15 H 31 COO) 3 C 3 H 5 Đáp án là: A. (C 17 H 33 COO) 3 C 3 H 5 </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 best combines each pair of sentences in the following questions. Mai: “Why don't we ask Mr Brown for help?”
A. Mai asked why they did not ask Mr Brown for help.
B. Mai begged Mr Brown for help to find the reason.
C. Mai suggested that they should ask Mr Brown for help.
D. Mai wanted to know why Mr Brown did not help. Đáp án là: C. Mai suggested that they should ask Mr Brown for help. </s>
|
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<s> Chọn đáp án đúng với câu hỏi: In compared with low-achieving students, successful students use______.
A. aimless study techniques
B. various study skills
C. restricted strategies
D. inflexible study ways Đáp án là: A. aimless study techniques </s>
|
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] |
<s> Chọn đáp án đúng với câu hỏi: Many years ago, the climate of North America became such cold that great sheets of ice covered most of Canada.
A. climate
B. such
C. sheets
D. covered Đáp án là: B. such </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Người đặt nền móng cho nền sử học phong kiến Trung Quốc là
A. Tư Mã Thiên.
B. Ban Cố.
C. La Quán Trung.
D. Tổ Xung Chi. Đáp án là: A. Tư Mã Thiên. </s>
|
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<s> Chọn đáp án đúng với câu hỏi: This is the ________ building in the town.
A. highly
B. most high
C. higher
D. highest Đáp án là: D. highest </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Al có thể tan được trong dung dịch nào sau:
A. KNO 3.
B. K 2 SO 4.
C. KOH.
D. HNO 3 đậm đặc nguội. Đáp án là: C. KOH. </s>
|
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2,
2
] |
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1,
1,
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1
] |
<s> Chọn đáp án đúng với câu hỏi: Doesn't that seem rather ______ that none of her colleagues would defend her?
A. eerie
B. odd
C. enigmatic
D. surreal Đáp án là: B. odd </s>
|
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1,
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<s> Chọn đáp án đúng với câu hỏi: Cho phản ứng: F e + O 2 → t 0 F e 3 O 4. Nếu khối lượng của Fe là 22,4 gam thì số mol electron Fe đã nhường là
A. 1,2.
B. 0,3.
C. 0,8.
D. 1,07. Đáp án là: D. 1,07 </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 NO 2. Cho 15,45 gam X phản ứng vừa đủ với dung dịch NaOH sinh ra một chất khí Y và dung dịch Z. Khí Y nặng hơn không khí, làm giấy quỳ 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. 16,2.
B. 12,3.
C. 14,1.
D. 14,4. Đáp án là: C. 14,1. </s>
|
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] |
<s> Chọn đáp án đúng với câu hỏi: Cho các chất sau đây CH 3 CHO, CH 3 COOH, C 3 H 5 (OH) 3 và C 2 H 5 OH. Chỉ dùng một hóa chất nào sau đây có thể nhận biết được 3 chất trên?
A. AgNO 3 /NH 3
B. Cu(OH) 2
C. dd Br 2
D. NaOH Đáp án là: C. dd Br 2 </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Three years (7)........ she remembers very little.
A. on
B. forward
C. from
D. onward Đáp án là: A. on </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Mỗi khẳng định sau đúng hay sai:
A. Góc tạo bởi tia tiếp tuyến và dây cung luôn nhỏ hơn 90^0.
B. Trong một đường tròn, các góc nội tiếp bằng nhau chắn các cung bằng nhau.
C. Góc vuông nội tiếp thì chắn nửa đường tròn.
D. Góc tù nội tiếp thì có số đo bằng nửa số đo góc ở tâm cùng chắn một cung. Đáp án là: A. Góc tạo bởi tia tiếp tuyến và dây cung luôn nhỏ hơn 90^0. </s>
|
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1,
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] |
<s> Chọn đáp án đúng với câu hỏi: Số tự nhiên lớn nhất có 4 chữ số khác nhau là:
A. 9999;
B. 9876;
C. 9998;
D. 1987. Đáp án là: B. 9876; </s>
|
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1,
1,
1
] |
<s> Chọn đáp án đúng với câu hỏi: Cho 10 gam hỗn hợp X gồm Fe, Cu phản ứng hoàn toàn với dung dịch H 2 SO 4 loãng dư, sau phản ứng thu được 3,36 lít khí (đktc), dung dịch Y và m gam chất rắn không tan. Giá trị của m là
A. 8,4.
B. 1,6.
C. 5,6.
D. 4,4. Đáp án là: B. 1,6. </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Đề bài sau thuộc dạng bài phân tích nào? “Phân tích hình ảnh sóng trong bài "Sóng" của Xuân Quỳnh để thấy được những cung bậc cảm xúc trong tình yêu”
A. Dạng bài phân tích toàn bộ bài thơ
B. Dạng bài phân tích một đoạn thơ
C. Dạng bài phân tích môt hình ảnh trong đoạn thơ, bài thơ
D. Dạng bài so sánh giữa hai đoạn thơ, bài thơ Đáp án là: C. Dạng bài phân tích môt hình ảnh trong đoạn thơ, bài thơ </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Janice and _______ live in an apartment.
A. me
B. my
C. self
D. I Đáp án là: D. I </s>
|
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1,
1,
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<s> Chọn đáp án đúng với câu hỏi: Số gồm chín nghìn, chín chục được viết là:
A. 9900
B. 9090
C. 9900
D. 9009 Đáp án là: B. 9090 </s>
|
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<s> Chọn đáp án đúng với câu hỏi: Tại sao kênh đào Xuy-ê lại quan trọng không chỉ riêng châu Phí và các châu lục khác trên thế giới?
A. Trao đổi hàng hóa quốc tế, rút ngắn thời gian, chi phí, an toàn.
B. Vị trí gần các nước có nền kinh tế sôi động trên thế giới.
C. Thu hút nguồn vốn đầu tư nước ngoài.
D. Trao đổi hàng hóa quốc tế. Đáp án là: A. Trao đổi hàng hóa quốc tế, rút ngắn thời gian, chi phí, an toàn. </s>
|
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] |
<s> Chọn đáp án đúng với câu hỏi: Người ta dùng những chiếc cọc để rào một mảnh vườn hình chữ nhật sao cho mỗi góc vườn đều có một chiếc cọc và hai cọc liên tiếp cắm cách nhau 0,2 m. Biết rằng số cọc dùng để rào hết chiều dài của vườn nhiều hơn số cọc dùng để rào hết chiều rộng là 30 chiếc. Gọi số cọc dùng để rào hết chiều rộng là a. Tìm đa thức biểu thị diện tích của mảnh vườn.
A. 0,04a^2 + 1,12a – 1,16;
B. a^2 + 28a – 29;
C. a^2 + 28a + 29;
D. 0,04a^2 + 1,12a + 1,16. Đáp án là: A. 0,04a^2 + 1,12a – 1,16; </s>
|
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29884,
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30902,
865,
18916,
29871,
29941,
29900,
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30717,
29883,
29889,
402,
30975,
29875,
269,
30984,
274,
30975,
29883,
270,
30071,
865,
29871,
30128,
31957,
364,
30001,
29877,
298,
30717,
29873,
18558,
31343,
29884,
364,
30902,
865,
18916,
263,
29889,
323,
30097,
29885,
29871,
30128,
29874,
266,
31318,
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4768,
31957,
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266,
30740,
652,
30529,
29876,
260,
18353,
274,
31556,
29874,
286,
30643,
29876,
29882,
325,
30416,
30997,
29876,
29889,
13,
29909,
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29900,
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29900,
29946,
29874,
29985,
29906,
718,
29871,
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785,
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29953,
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29947,
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29929,
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29907,
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263,
29985,
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718,
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29947,
29874,
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29871,
29906,
29929,
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29889,
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29906,
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30250,
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29896,
29906,
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785,
29871,
29896,
29892,
29896,
29953,
29936,
29871,
2,
2
] |
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1
] |
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