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<s> Chọn đáp án đúng với câu hỏi: The United States consists of fifty states, ______ has its own government.
A. each
B. each of which
C. each of them
D. each of that Đáp án là: B. each of which </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Điện áp giữa hai đầu một đoạn mạch là u = 220 2 ( 100 πt ). Cứ mỗi giây số lần điện áp này bằng 0 là
A. 100 lần
B. 50 lần
C. 200 lần
D. 2 lần Đáp án là: A. 100 lần </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Theo thuyết lượng tử ánh sáng, phát biểu nào sau đây là sai?
A. Phôtôn của các ánh sáng đơn sắc khác nhau mang năng lượng khác nhau.
B. Ánh sáng được tạo thành từ các hạt, gọi là phôtôn.
C. Không có phôtôn ở trạng thái đứng yên.
D... | [
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<s> Chọn đáp án đúng với câu hỏi: Việc hình thành một số vùng chuyên canh cây công nghiệp lâu năm ở Bắc Trung Bộ chủ yếu dựa vào
A. Tài nguyên khí hậu
B. thị trường tiêu thụ
C. công nghiệp chế biến
D. tài nguyên đất Đáp án là: D. tài nguyên đất </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Các quốc gia Đông Nam Á tham gia sáng lập ASEAN là:
A. Thái Lan, Mi-an-ma, Ma-lai-xi-a, Xin-ga-po, Phi-lip-pin.
B. Thái Lan, Bru-nây, Ma-lai-xi-a, Xin-ga-po, Phi-lip-pin.
C. Thái Lan, In-đô-nê-xi-a, Ma-lai-xi-a, Xin-ga-po, Phi-lip-pin.
D. Thái Lan, Cam-pu-chia, Ma-lai-x... | [
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<s> Chọn đáp án đúng với câu hỏi: Nguyên tử hiđrô chuyển từ trạng thái dừng có năng lượng E n = − 1, 5 eV sang trạng thái dừng có năng lượng E m = − 3, 4 eV. Bước sóng của bức xạ mà nguyên tử hiđrô phát ra xấp xỉ bằng
A. 0, 654.10 − 7 m.
B. 0, 654.10 − 6 m.
C. 0, 654.10 − 5 ... | [
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<s> Chọn đáp án đúng với câu hỏi: Đường cao của hình chóp tam giác đều là:
A. Đoạn thẳng kẻ từ đỉnh của hình chóp đến trọng tâm của tam giác đáy;
B. Đoạn thẳng kẻ từ đỉnh của hình chóp đến trung điểm của một cạnh đáy;
C. Đoạn thẳng kẻ từ đỉnh của hình chóp đến một điểm tùy ý nằm trong mặt đáy;
D. Đoạn thẳng kẻ từ đỉnh ... | [
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<s> Chọn đáp án đúng với câu hỏi: There are lots of TV Christmas ________ for children this year.
A. specialties
B. specially
C. specials
D. specialized Đáp án là: C. specials </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Cho một đa diện có đỉnh và mỗi đỉnh là đỉnh chung của đúng 3 cạnh. Chọn mệnh đề đúng trong các mệnh đề sau
A. m là một số lẻ.
B. m chia hết cho 5.
C. m chia hết cho 3
D. m là một số chẵn. Đáp án là: D. m là một số chẵn </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Hành động bạo lực đầu tiên của Việt Nam Quốc dân đảng là
A. ám sát tên trùm mộ phu Badanh.
B. ám sát tên Toàn quyền Méclanh.
C. chủ động khởi nghĩa Yên Bái.
D. ném bom của quân khởi nghĩa ở Hà Nội. Đáp án là: A. ám sát tên trùm mộ ... | [
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<s> Chọn đáp án đúng với câu hỏi: Hoạt động du lịch diễn ra được quanh năm trên nhiều vùng biển phía nam các nước Đông Nam Á lục địa lả nhờ có
A. gió mùa hoạt động quanh năm
B. độ ẩm cao quanh năm
C. nền nhiệt độ cao quanh năm
D. địa hình bờ biển đa dạng, nhiều di... | [
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<s> Chọn đáp án đúng với câu hỏi: You’d better take the keys. It’s possible I’ll come home late.
A. You’d better take the keys as I possibly come home late.
B. If I come home late, you’d better take the keys.
C. I’ll probably come home late so that you’d better take the keys.
D. You’d better take the keys in case I com... | [
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<s> Chọn đáp án đúng với câu hỏi: Số bội giác của kính hiển vi khi ngắm chừng ở vô cực:
A.Tỉ lệ thuận với tiêu cự của vật kính và thị kính
B.Tỉ lệ thuận với tiêu cự của vật kính và tỉ lệ nghịch với tiêu cự của thị kính
C.Tỉ lệ nghịch với tiêu cự củ... | [
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<s> Chọn đáp án đúng với câu hỏi: Với giá trị nào của m thì phương trình x - 1 = 3m + 4 có nghiệm lớn hơn 2?
A. m ≥ 1
B. m ≤ 1
C. m > -1
D. m < -1 Đáp án là: C. m > -1 </s> | [
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30128,
30030,
865,
325,
31280,
29875,
274,
30057,
29884,
298,
228,
190,
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29875,
29901,
478,
31280,
29875,
4005,
29976,
534,
30740,
302,
30001,
29877,
274,
... | [
1,
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1... |
<s> Chọn đáp án đúng với câu hỏi: Giao điểm của hai đường tiệm cận của đồ thị hàm số nào dưới đây nằm trên đường thẳng d:y=x?
A. y=(2x−1)/(x+3)
B. y=(x+4)/(x−1)
C. y=(2x+1)/(x+2)
D. y=1/(x+3) Đáp án là: B. y=(x+4)/(x−1) </s> | [
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4... | [
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1... |
<s> Chọn đáp án đúng với câu hỏi: Phương thức sinh sản chủ yếu của trùng roi là?
A. Mọc chồi
B. Phân đôi.
C. Tạo bào tử.
D. Đẻ con. Đáp án là: B. Phân đôi. </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Các giải thể thao như đua xe trên hoang mạc, tổ chức các hoạt động du lịch khám phá là hoạt động kinh tế ở môi trường?
A. Xích đạo.
B. Nhiệt đới.
C. Cận nhiệt.
D. Hoang mạc. Đáp án là: D. Hoang mạc </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Students go there to study. What is it?
A. hospital
B. post office
C. university
D. cinema Đáp án là: C. university </s> | [
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1... |
<s> Chọn đáp án đúng với câu hỏi: Có 30 tấm thẻ đánh số từ 1 đến 30. Chọn ngẫu nhiên ra 10 tấm thẻ. Tìm xác suất để có 5 tấm thẻ mang số lẻ và 5 tấm thẻ mang số chẵn trong đó chỉ có đúng một tấm thẻ chia hết cho 10.
A. \(\frac{{99}}{{667}}\);
B. \(\frac{{98}}{{667}}\);
C. \(\frac{{97}}{{667}}\);
D. \(\frac{{96}}{{667}}... | [
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1,
1,
1... |
<s> Chọn đáp án đúng với câu hỏi: Thực hiện các thí nghiệm sau: (I) Cho dung dịch NaCl vào dung dịch KOH. (II) Cho dung dịch Na 2 CO 3 vào dung dịch Ca(OH) 2. (III) Điện phân dung dịch NaCl với điện cực trơ, có màng ngăn. (IV) Cho Cu(OH) 2 vào dung dịch NaNO 3. (V) Sục khí NH 3 vào dung... | [
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1... |
<s> Chọn đáp án đúng với câu hỏi: Thực hiện sơ đồ phản ứng : (1) X + H 2 O → H +, t 0 Y + Z (2) Y + O 2 → L ê n m e n g i ấ m Z + H 2 O (3) Y → x t, t 0 T + H 2 O (4) T → x t, p, t 0 polietilen Phân tử khối của X là :
A. 74
B. 46
C. 88
D. 60 Đáp án là: C. 88 </s> | [
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1... |
<s> Chọn đáp án đúng với câu hỏi: Tìm tập xác định D của hàm số y=(1+sinx)/(cosx−1).
A. D = R
B. D=R\((π)/2+kπ,k∈Z).
C. D=R\(kπ,k∈Z).
D. D=R\(k2π,k∈Z). Đáp án là: D. D=R\(k2π,k∈Z) </s> | [
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1... |
<s> Chọn đáp án đúng với câu hỏi: Hàm số y = –3x^2 + 6x + 1 đồng biến trên khoảng:
A. (–∞; 2);
B. (2; +∞);
C. (–∞; 1);
D. (1; +∞). Đáp án là: C. (–∞; 1); </s> | [
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1... |
<s> Chọn đáp án đúng với câu hỏi: So với mặt phẳng quỹ đạo, trục Trái Đất nghiêng một góc
A. 23027’.
B. 56027’.
C. 66033’.
D. 32027’. Đáp án là: C. 66033’. </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Khi có dòng điện chạy qua vật dẫn là nguồn điện thì các hạt mang điện tham gia vào chuyển động có hướng dưới tác dụng của lực
A. điện trường
B. cu - lông
C. lạ
D. hấp dẫn Đáp án là: A. điện trường </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Cho x là số thực dương. Dạng lũy thừa với số mũ hữu tỉ của biểu thức \(\sqrt {x.\sqrt[3]{x}} \) là:
A. \({x^{\frac{1}{{12}}}}\)
B. \({x^{\frac{1}{3}}}\)
C. \({x^{\frac{2}{3}}}\)
D. \(y = {x^{\frac{5}{6}}}\) Đáp án là: C. \({x^{\frac{2}{3}}}\) </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Cho các cặp chất sau tác dụng với nhau: (a) HCl đặc và KMnO 4.(b) SiO 2 và HF. (c) NaBr và AgNO 3.(d) Al và I 2. Số cặp chất xảy ra phản ứng oxi hóa - khử là
A. 4.
B. 3.
C. 1.
D. 2. Đáp án là: D. 2 </s> | [
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1,
1... |
<s> Chọn đáp án đúng với câu hỏi: Vật bị nhiễm điện do cọ xát vì khi cọ xát
A. electron chuyển từ vật này sang vật khác
B. vật bị nóng lên
C. Các đinẹ tích tự đo được tạo ra trong vật
D. các điện tích bị mất đi Đáp án là: A. electron chuyển từ vật này sang vật khác... | [
1,
1,
29871,
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29871,
30128,
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1715,
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865,
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31280,
29875,
274,
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298,
228,
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29875,
29901,
12549,
31214,
31500,
29873,
4768,
31214,
302,
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347,
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3047... | [
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1,
1,
1,
1,
1... |
<s> Chọn đáp án đúng với câu hỏi: Mark the letter A, B, C or D on your answer sheet to indicate the word or phrase that is OPPOSITE in meaning to the underlined part in each of the following questions. My phone overheats when I play online games. What should I do?
A. heats up
B. works too much
C. cools down
D. is too h... | [
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1,
29871,
678,
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29876,
29871,
30128,
29976,
29886,
29871,
1715,
29871,
30128,
30030,
865,
325,
31280,
29875,
274,
30057,
29884,
298,
228,
190,
146,
29875,
29901,
4485,
278,
5497,
319,
29892,
350,
29892,
315,
470,
360,
373,
596,
... | [
1,
1,
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1,
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1,
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1,
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1,
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1,
1,
1,
1... |
<s> Chọn đáp án đúng với câu hỏi: Cho dãy số (u_n) có u_1=7;un+_1=2u_n+3. Khi đó u_3 bằng
A. 17
B. 77
C. 37
D. 9 Đáp án là: C. 37 </s> | [
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29871,
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1,
1,
1,
1... |
<s> Chọn đáp án đúng với câu hỏi: Cho Zn dư vào dung dịch AgNO 3, Cu(NO 3 ) 2, Fe(NO 3 ) 3. Số phản ứng hoá học xảy ra là:
A. 1
B. 2
C. 3
D. 4 Đáp án là: D. 4 </s> | [
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270,
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652... | [
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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 questions. The water was so cold that the children couldn't swim in it.
A. The water wasn't warm enough for the children to swim in.
B. The water was cold eno... | [
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865,
325,
31280,
29875,
274,
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29884,
298,
228,
190,
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29875,
29901,
4485,
278,
5497,
319,
29892,
350,
29892,
315,
29892,
470,
360,
373,... | [
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1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1... |
<s> Chọn đáp án đúng với câu hỏi: Tác động nào sau đây của con người không ảnh hưởng tới quá trình hình thành đất?
A. Đưa vật nuôi từ lục địa này sang lục địa khác.
B. Tăng cường chặt phá rừng, phá rừng bừa bãi.
C. Bón phân, làm thuỷ lợi, thau chua rửa mặn.
D. ... | [
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678,
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29871,
30128,
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29871,
1715,
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865,
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29901,
10523,
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31500,
865,
1055,
30... | [
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1,
1,
1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1... |
<s> Chọn đáp án đúng với câu hỏi: Hỗn hợp T gồm hai peptit mạch hở X và Y (M X < M Y ), đều tạo bởi glyxin và alanin. Thủy phân hoàn toàn 0,22 mol T bằng lượng vừa đủ 200 mL dung dịch gồm NaOH 0,23M và KOH 0,26M, thu được dung dịch chứa m gam muối. Đốt cháy hoàn toàn a mol X... | [
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29886,
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1715,
29871,
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865,
325,
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274,
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29875,
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8335,
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323,
748,
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1,
1,
1,
1,
1,
1,
1... |
<s> Chọn đáp án đúng với câu hỏi: Hệ số của x^2 trong khai triển (x + 1)^5 là:
A. 10;
B. 15;
C. 30;
D. 45. Đáp án là: A. 10; </s> | [
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921,
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29906,
534,
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1,
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1... |
<s> Chọn đáp án đúng với câu hỏi: Research studies have shown that pressures put on students nowadays are __________.
A. much greater than the past
B. not greater than the past
C. getting ever greater
D. more diversified Đáp án là: B. not greater than the past </s> | [
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1925,
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1,
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1,
1,
1,
1,
1... |
<s> Chọn đáp án đúng với câu hỏi: Cho axetilen vào bình đựng dung dịch brom dư. Khối lượng bình tăng lên a gam, a là khối lượng của:
A. dung dịch brom;
B. khối lượng brom;
C. axetilen;
D. brom và khí axetilen. Đáp án là: C. axetilen; </s> | [
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1,
1,
1,
1,
1,
1,
1,
1,
1... |
<s> Chọn đáp án đúng với câu hỏi: Số nào dưới đây là giá trị của biểu thức B=2/11−5/13+9/11−8/13?
A. 2
B. -1
C. 1
D. 0 Đáp án là: D. 0 </s> | [
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1... |
<s> Chọn đáp án đúng với câu hỏi: Có các tập chất khí và dung dịch sau: (1). K +, Ca 2+, HCO 3 –, OH –. (2) Fe 2+,H +,NO 3 - SO 4 2–. (3) Cu 2+, Na +, NO 3 –, SO 4 2–. (4) Ba 2+,Na +,O 3 - Cl –. (5). N 2,Cl 2,NH 3,O 2 (6). NH 3, N 2, HCl, SO 2. (7).K +,g +,NO 3 -,PO 4 3 (8). Cu 2+, Na +, Cl –, OH –. Số tập... | [
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3... | [
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1,
1,
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1,
1,
1,
1,
1,
1,
1,
1,
1... |
<s> Chọn đáp án đúng với câu hỏi: Cho tam thức bậc hai f(x) = –2x^2 + 8x – 8. Trong các mệnh đề sau, mệnh đề nào đúng?
A. f(x) < 0, ∀x ∈ R;
B. f(x) ≥ 0, ∀x ∈ R;
C. f(x) ≤ 0, ∀x ∈ R;
D. f(x) > 0, ∀x ∈ R. Đáp án là: C. f(x) ≤ 0, ∀x ∈ R; </s> | [
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1... |
<s> Chọn đáp án đúng với câu hỏi: Các nguồn tài nguyên trên Trái Đất phân bố
A. đồng đều.
B. phân tán.
C. không đồng đều.
D. tập trung. Đáp án là: C. không đồng đều. </s> | [
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1,
1... |
<s> Chọn đáp án đúng với câu hỏi: Choose a, b, c or d to complete these sentences. Ba can’t fly. He wishes he_________fly.
A. can
B. will
C. is
D. could Đáp án là: C. is </s> | [
1,
1,
29871,
678,
30975,
29876,
29871,
30128,
29976,
29886,
29871,
1715,
29871,
30128,
30030,
865,
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31280,
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30057,
29884,
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190,
146,
29875,
29901,
14542,
852,
263,
29892,
289,
29892,
274,
470,
270,
304,
4866,
1438,... | [
1,
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<s> Chọn đáp án đúng với câu hỏi: When I got home I found that water.............. down the kitchen walls.
A. ran
B. was running
C. has run
D. had been running Đáp án là: B. was running </s> | [
1,
1,
29871,
678,
30975,
29876,
29871,
30128,
29976,
29886,
29871,
1715,
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865,
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274,
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298,
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29901,
1932,
306,
2355,
3271,
306,
1476,
393,
4094,
11296,
3045,
636,
1623... | [
1,
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1,
1,
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<s> Chọn đáp án đúng với câu hỏi: Read the following passage and mark the letter A, B, C, D, on your answer sheet to indicate the correct answer to each of the questions from 26 to 30. People commonly complain that they never have enough time to accomplish tasks. The hours and minutes seem to slip away before many plan... | [
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,
7523,
278,
1494,
13382,
322,
2791,
278,
5497,
319,
29892,
350,
2989... | [
1,
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1,
1,
1,
1... |
<s> Chọn đáp án đúng với câu hỏi: He has no cause to complain.
A. There is no reason to complain about him.
B. There is no reason why he complains.
C. Why he complains is no reason.
D. It is of no cause to complain. Đáp án là: B. There is no reason why he complains. </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,
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29875,
29901,
940,
756,
694,
4556,
304,
752,
7420,
29889,
13,
29909,
29889,
1670,... | [
1,
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1,
1,
1,
1... |
<s> Chọn đáp án đúng với câu hỏi: Hãy chọn câu sai?
A. Nếu a > b và c < 0 thì ac > bc
B. Nếu a < b và c < 0 thì ac > bc
C. Nếu a ≥ b và c < 0 thì ac ≤ bc
D. Nếu a ≥ b và c > 0 thì ac ≥ bc Đáp án là: A. Nếu a > b và c < 0 thì ac > bc </s> | [
1,
1,
29871,
678,
30975,
29876,
29871,
30128,
29976,
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29901,
379,
30033,
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521,
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274,
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872,
29875,
... | [
1,
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1,
1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1... |
<s> Chọn đáp án đúng với câu hỏi: Thực hiện hai thí nghiệm: 1) Cho 3,84 gam Cu phản ứng với 80 ml dung dịch HNO 3 1M thoát ra V 1 lít NO. 2) Cho 3,84 gam Cu phản ứng với 80 ml dung dịch chứa HNO 3 1M và H 2 SO 4 0,5M thoát ra V 2 lít NO. Biết NO là sản phẩm khử duy nhất, các thể t... | [
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,
498,
29884,
207,
158,
31214,
29883,
298,
347,
31214,
31500,
29876,
... | [
1,
1,
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1,
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1,
1,
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,
1,
1,
1,
1,
1,
1,
1... |
<s> Chọn đáp án đúng với câu hỏi: Cho các polime sau: tơ nilon- 6,6;poli vinyl clorua; poli(vinyl axetat); teflon, tơ visco, tơ nitron; poli buta-1,3-đien. Số polime được điều chế bằng phản ứng trùng hợp là
A. 5
B. 6
C. 4
D. 7 Đáp án là: A. 5 </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,
14542,
5777,
30103,
29883,
1248,
603,
12507,
29901,
304,
207,
158,
... | [
1,
1,
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1,
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1,
1,
1,
1,
1,
1,
1,
1... |
<s> Chọn đáp án đúng với câu hỏi: Trong lớp học, người ta lắp nhiều bóng đèn cùng loại ở các vị trí khác nhau nhằm mục đích gì?
A. Tránh trường hợp học sinh bị ngồi trong bóng tối hoặc bóng nửa tối
B. Học sinh không bị lóa khi nhìn lên bảng
C. Tránh bóng đen và bó... | [
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,
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29875,
29901,
1605,
549,
658,
207,
158,
30103,
29886,
5089,
31214,
29883,
29892,
... | [
1,
1,
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1,
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1,
1,
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1,
1,
1,
1,
1,
1,
1,
1,
1... |
<s> Chọn đáp án đúng với câu hỏi: Để phân biệt 3 chất bột màu trắng: CaCO3, nhôm và NaCl người
A. Ag
B. Al
C. Fe
D. Cu Đáp án là: A. Ag </s> | [
1,
1,
29871,
678,
30975,
29876,
29871,
30128,
29976,
29886,
29871,
1715,
29871,
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865,
325,
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29875,
274,
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29875,
29901,
29871,
30250,
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31500,
207,
140,
1374,
29874,
31500,
29876,
289,... | [
1,
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1,
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1,
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1,
1,
1,
1,
1,
1,
1... |
<s> Chọn đáp án đúng với câu hỏi: Trong khí quyển nguyên thuỷ của quả đất chưa có:
A. Mêtan (C H 4 ) và amôniac (N H 3 )
B. Oxy ( O 2 ) và nitơ ( N 2 )
C. Xianôgen ( C 2 N 2 )
D. Hơi nước ( H 2 O) Đáp án là: B. Oxy ( O 2 ) và nitơ ( N 2 ) </s> | [
1,
1,
29871,
678,
30975,
29876,
29871,
30128,
29976,
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29871,
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439,
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207,
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302... | [
1,
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1,
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1,
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1,
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1,
1,
1,
1,
1,
1,
1... |
<s> Chọn đáp án đúng với câu hỏi: Giải phương trình x^2−5x+6=0
A.x_1=2;x_2=3
B.x_1=−2,x_2=−3
C.x_1=−1,x_2=−6
D.x_1=1,x_2=6 Đáp án là: A.x_1=2;x_2=3 </s> | [
1,
1,
29871,
678,
30975,
29876,
29871,
30128,
29976,
29886,
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865,
534,
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1,
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1,
1,
1,
1... |
<s> Chọn đáp án đúng với câu hỏi: Các sinh vật chuyển đời sống từ dưới nước lên cạn vào kỷ nào?
A. Kỷ Cambri
B. Kỷ Đêvôn
C. Kỷ Silua
D. Kỷ Ocđovic Đáp án là: C. Kỷ Silua </s> | [
1,
1,
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521,
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1,
1... |
<s> Chọn đáp án đúng với câu hỏi: Giải thích nào về hiện tượng cây ở sa mạc có lá biến thành gai là đúng:
A. Cây ở sa mạc có lá biến thành gai giúp cho chúng chống chịu với gió bão.
B. Cây ở sa mạc có lá biến thành gai giúp cho chúng tự vệ khỏi con người phá ho... | [
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,
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29875,
29901,
22566,
207,
140,
29875,
266,
29875,
30103,
305,
1055,
30712,
29877,
... | [
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: 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. When the weather is cold, it is not very much fun to (1) ______a bus. People have to stand at a bus-stop for minutes or ev... | [
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,
7523,
278,
1494,
13382,
322,
2791,
278,
5497,
319,
29892,
350,
2989... | [
1,
1,
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1,
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1,
1,
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<s> Chọn đáp án đúng với câu hỏi: The state school system is free for all students and _______ by the government.
A. Is paid for
B. is paying for
C. pays for
D. is being pay for Đáp án là: A. Is paid for </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,
2106,
3762,
1788,
338,
3889,
363,
599,
8041,
322,
903,
7652,
... | [
1,
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1... |
<s> Chọn đáp án đúng với câu hỏi: Một vật dao động điều hòa có chu kỳ T. Thời gian ngắn nhất vật chuyển động từ vị trí cân bằng đến vị trí có tốc độ bằng một nửa tốc độ cực đại là:
A. T 6
B. T 12
C. T 8
D. T 4 Đáp án là: A. T 6 </s> | [
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29... | [
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1,
1,
1,
1,
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1,
1,
1,
1,
1,
1,
1,
1,
1,
1... |
<s> Chọn đáp án đúng với câu hỏi: He (30) ________ out to them the hydraulic platform on the fire engine which they use to put out fires in flats or other high-rise buildings.
A. focused
B. pointed
C. looked
D. worked Đáp án là: B. pointed </s> | [
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313,
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304,
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278... | [
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1,
1... |
<s> Chọn đáp án đúng với câu hỏi: Trong phản ứng tổng hợp amoniac: N 2 ( k ) + 3 H 2 ( k ) ⇌ 2 N H 3 ( k ) △ H < 0 Sẽ thu được nhiều khí NH 3 nhất nếu:
A. Giảm nhiệt độ và áp suất
B. Tăng nhiệt độ và áp suất
C. Tăng nhiệt độ và giảm áp suất
D. Giảm nhiệt độ và tăng a... | [
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865,... | [
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1... |
<s> Chọn đáp án đúng với câu hỏi: Những quốc gia Đông Nam Á tuyên bố độc lập trong năm 1945 là
A. Inđônêxia, Việt Nam, Lào.
B. Campuchia, Malaixia, Brunây.
C. Inđônêxia, Xingapo, Malaixia.
D. Miến Điện, Việt Nam, Philippin. Đáp án là: A. Inđônêxia, Việt Nam, Lào. </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Ý nghĩa của những thành tựu trong công cuộc xây dựng Chủ nghĩa xã hội ở Liên Xô (1945-1975) là gì? Chọn đáp án đúng nhất.
A. Làm đảo lộn chiến lược toàn cầu của Mỹ. Thể hiện tính ưu việt của chủ nghĩa xã hội. Phát triển kinh... | [
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6... | [
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1... |
<s> Chọn đáp án đúng với câu hỏi: “Why don’t you have your room repainted?” said Robert to Lan.
A. Robert suggested having Lam’s room repainted.
B. Robert asked Lam why you didn’t have your room repainted.
C. Robert wanted to know why Lam doesn’t have his room repainted.
D. Robert suggested that Lam should have his roo... | [
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366,
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5716,
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2... | [
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1... |
<s> Chọn đáp án đúng với câu hỏi: Mùi tanh của cá thường do một số amin gây ra. Để khử mùi tanh của cá, khi sơ chế, người ta thường rửa cá với
A. Nước
B. Nước vôi trong
C. Cồn
D. Giấm Đáp án là: D. Giấm </s> | [
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5777,
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1... |
<s> Chọn đáp án đúng với câu hỏi: Of course, skill in expression is not enough (33) _____ itself.
A. on
B. for
C. by
D. in Đáp án là: C. by </s> | [
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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 best completes each of the following exchanges. Student A: “What do you spend most of your money on?” Student B: “______________”
A. Clothes and accessories, of course
B. I don’t have much pocket money.
C. ... | [
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1... |
<s> Chọn đáp án đúng với câu hỏi: Nguyễn Công Trứ xuất thân trong gia đình như thế nào?
A. Hán học
B. Nông dân nghèo
C. Quan lại
D. Nho học Đáp án là: D. Nho học </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Cho hình vẽ mô tả thí nghiệm điều chế kim loại bằng cách dùng khí H 2 để khử oxit kim loại: Hình vẽ trên minh họa cho các phản ứng trong đó oxit X là
A. MgO và K 2 O.
B. Fe 2 O 3 và CuO.
C. Na 2 O và ZnO.
D. Al 2 O 3 và BaO. Đáp án là: B. Fe 2 O 3 va... | [
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20... | [
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1,
1... |
<s> Chọn đáp án đúng với câu hỏi: Nước có số dân đông nhất thế giới hiện nay là
A. Hoa Kì.
B. Liên bang Nga.
C. Trung Quốc.
D. Ấn Độ. Đáp án là: C. Trung Quốc. </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Vietnamese women ________.
A. have few opportunities to develop their intellectual ability
B. have only shined brightly in doing housework
C. cannot do any scientific research
D. are ensured their rights with laws, conventions and national action plans Đáp án là: D. are ensured their r... | [
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1,
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1,
1,
1,
1,
1,
1... |
<s> Chọn đáp án đúng với câu hỏi: Đặc điểm nào sau đây không phải của sóng thần?
A. Lan truyền phương ngang và tốc độ lớn.
B. Khi vào đến bờ biển có thể cao hơn 20m.
C. Hình thành do hoạt động của con người.
D. Một dạng thảm hoạ thiên nhiên tàn khốc. Đáp án là: C. Hi... | [
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<s> Chọn đáp án đúng với câu hỏi: The inconsiderable driver was _______ for parking his vehicle in the wrong place.
A. inflicted
B. condemned
C. harassed
D. fined Đáp án là: D. fined </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Physical attraction is very important to some people, but I love her for her characters.
A. attraction
B. to
C. but
D. for her character Đáp án là: A. attraction </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Cần bao nhiêu mi-li-lít nước để rót đầy 1 cốc 180ml và 1 cốc 320ml?
A. 480ml
B. 490ml
C. 500ml
D. 510ml Đáp án là: C. 500ml </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Đổi hỗn số 35/4 ra phân số ta được:
A. 17/4
B. 12/4
C. 4/17
D. 21/4 Đáp án là: A. 17/4 </s> | [
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1... |
<s> Chọn đáp án đúng với câu hỏi: Vật làm bằng nhôm bền trong nước vì?
A. Nhôm là kim loại không tác dụng với nước
B. Trên bề mặt vật có một lớp nhôm oxit mỏng, bền, ngăn cách vật với nước
C. Do nhôm tác dụng với nước tạo lớp nhôm hidroxit không tan bảo vệ... | [
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<s> Chọn đáp án đúng với câu hỏi: Chu kỳ dao động của con lắc đơn không phụ thuộc vào:
A. Khối lượng quả nặng
B. Chiều dài dây treo.
C. Gia tốc trọng trường.
D. Vĩ độ địa lý. Đáp án là: A. Khối lượng quả nặng </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Tìm các giá trị của x sao cho (x+1)/(2√(x))≥0
A.x≥−1
B.x>0
C.x>−1
D.x≥0 Đáp án là: B.x>0 </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Theo thuyết tương đối, một êlectron có động năng bằng một nửa năng lượng nghỉ của nó thì êlectron này chuyển động với tốc độ bằng
A. 2, 41.10 8 m / s
B. 2, 75.10 8 m / s
C. 1, 67.10 8 m / s
D. 2, 24.10 8 m / s Đáp án là: D. 2, 24 </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Choose the best answer to complete the sentence. One of my friends has straight hair, and another has wavy hair. But I have _____ hair.
A. long
B. curly
C. straight
D. black Đáp án là: B. curly </s> | [
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<s> Chọn đáp án đúng với câu hỏi: II. LANGUAGE FOCUS (2,0 points) Part A. Choose the word whose underlined part is pronounced differently from the others. Choose the word whose underlined part is pronounced differently from the others.
A. i mpress
B. pr i mary
C. cl i mate
D. shr i ne Đáp án là: A. Choose the word whos... | [
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<s> Chọn đáp án đúng với câu hỏi: drawings and a (60)...........of other souvenirs to carry back home. English houses were soon filled with them
A. pack
B.gang
C. flock
D. host Đáp án là: D. host </s> | [
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<s> Chọn đáp án đúng với câu hỏi: It’s good idea to see your doctor regularly for ________.
A. a revision
B. a check up
C. an investigation
D. a control Đáp án là: B. a check up </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Alinin ( C 6 H 5 NH 2 ) và phenol (C 6 H 5 OH) đều có phản ứng với
A. dung dịch NaOH.
B. dung dịch HCl.
C. nước Br2.
D. dung dịch NaCl. Đáp án là: C. nước Br2. </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Một trong những ý nghĩa quan trọng của tri thức lịch sử là giúp con người là
A. thay đổi được những sự kiện, hiện tượng xảy ra trong quá khứ.
B. sáng tạo và làm phong phú thêm hiện thực lịch sử.
C. hiểu được cội nguồn của ba... | [
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31500,
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534,
549,
302,
6905,
207,
158,
30478,
86... | [
1,
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1,
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1... |
<s> Chọn đáp án đúng với câu hỏi: Choose the letter A, B, C or D to indicate the word that differs from the other three in the position of stress in each of the following questions. (Chọn đáp án A, B, C hoặc D để tìm từ có trọng âm khác với ba từ còn lại)
A. damage
B. crisis
C. repair
D. effort Đáp ... | [
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1,
1,
1,
1,
1... |
<s> Chọn đáp án đúng với câu hỏi: Nguyên tử X có tổng số hạt proton, nơtron, electron là 52 hạt. Trong hạt nhân nguyên tử X có số hạt không mang điện nhiều hơn số hạt mang điện là 1 hạt. Trong hạt nhân của X có chứa bao nhiêu hạt proton?
A. 18 hạt
B. 20 hạt
C. 17 hạt
D. 16 h... | [
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140,
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1302... | [
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1... |
<s> Chọn đáp án đúng với câu hỏi: Choose the letter A, B, C or D the word that has the underlined part different from others.
A. ex h ibition
B. h umid
C. h omework
D. h appy Đáp án là: A. ex h ibition </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Điều nào sau đây không đúng khi nói về cơ năng? Hãy chọn câu đúng nhất
A. Cơ năng phụ thuộc vào độ biến dạng của vật gọi là thế năng đàn hồi
B. Cơ năng phụ thuộc vị trí của vật so với mặt đất gọi là thế năng hấp dẫn
C. Cơ... | [
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1055,
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12507,
29... | [
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1,
1,
1... |
<s> Chọn đáp án đúng với câu hỏi: Các nhà tư tưởng tiểu biểu của trào lưu Triết học Ánh sáng ở Pháp là
A. Môngtexkiơ, Ôoen và Phuriê
B. Ôoen, Phuriê và Xanh Ximông
C. Môngtexkiơ, Rútxô và Vônte
D. Rútxô, Vônte, Xanh Ximông Đáp án là: C. Môngtexkiơ, Rútxô và Vônte </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Trong công nghiệp, clo được điều chế bằng phương pháp gì?
A. Điện phân nóng chảy
B. Nhiệt phân
C. Thủy phân
D. Điện phân dung dịch Đáp án là: D. Điện phân dung dịch </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Cho hai số tự nhiên 15 và 25. Tập hợp BC(15, 25) là:
A. BC(15, 25) = 75.
B. BC(15, 25) = 0; 75; 150; 225;...
C. BC(15, 25) = {0; 75; 150; 225;...}.
D. BC(15, 25) = {75}. Đáp án là: C. BC(15, 25) = {0; 75; 150; 225;...}. </s> | [
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<s> Chọn đáp án đúng với câu hỏi: We invited a pop star onto the chat show, but he didn’t turn up.
A. The pop star that we invited onto the chat show didn’t turn up.
B. The pop star, who we invited onto the chat show didn’t turn up
C. The pop star that we invited onto the chat show not to turn up.
D. The pop star that ... | [
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<s> Chọn đáp án đúng với câu hỏi: Dãy gồm các hợp chất được sắp xếp theo thứ tự tăng dần lực bazơ là
A. C 6 H 5 NH 2 (anilin), CH 3 NH 2, NH 3
B. C 6 H 5 NH 2 (anilin), NH 3, CH 3 NH 2
C. NH 3, C 6 H 5 NH 2 (anilin), CH 3 NH 2
D. CH 3 NH 2, C 6 H 5 NH 2 (anilin), NH 3. Đáp án là: B. C 6 H 5 NH... | [
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<s> Chọn đáp án đúng với câu hỏi: Khi hình thành liên kết hóa học trong phân tử F 2, mỗi nguyên tử fluorine góp chung bao nhiêu electron theo quy tắc octet?
A. 1;
B. 2;
C. 3;
D. 4. Đáp án là: A. 1; </s> | [
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<s> Chọn đáp án đúng với câu hỏi: ______ daughter is a teacher.
A. Our
B. Ours
C. Us
D. We Đáp án là: A. Our </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Cho 42 gam hỗn hợp hai muối MgCO 3 và CaCO 3 vào 1,2 lít dung dịch HCl 1M thu được dung dịch Z. Thể tích (lít) khí CO 2 (đktc) sinh ra có giá trị là
A. 10,304.
B. 9,408 < V < 11,2.
C. 9,408 < V < 13,44.
D. 11,2 < V < 13,44. Đáp án là: B. 9,408 < V < 11,2. </s> | [
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<s> Chọn đáp án đúng với câu hỏi: Trong các đặc điểm sau, đâu không phải đặc điểm của tầng đối lưu?
A.Không khí chuyển động theo chiều thẳng đứng
B. Nơi sinh ra hầu hết các hiện tượng thời tiết
C. Nhiệt độ tăng dần theo độ cao
D. Càng lên cao không khí càng loa... | [
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<s> Chọn đáp án đúng với câu hỏi: Saccarozo chứa hai loại monosaccarit nào?
A. a - glucozơ và gốc b - fructozơ
B. b - glucozơ và gốc b - fructozơ
C. a - fructozơ và b - glucozơ
D. a - glucozơ và a - fructozơ Đáp án là: A. a - glucozơ và gốc b - fructozơ </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,
15573,
4287,
2112,
29877,
521,
29884,
207,
158,
30103,
29874,
447,
... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
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 keys _______ somewhere.
A. must have been leaving
B. must have left
C. must be leaving
D. must have been left Đáp án là: D. must have been left </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,
6611,
903,
7652,
1649,
9051,
29889,
13,
29909,
29889,
1818,
50... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
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: Khi nấu canh cua thì thấy các mảng “riêu cua” nổi lên là do
A. phản ứng thủy phân của protein.
B. phản ứng màu của protein.
C. sự đông tụ của lipit.
D. sự đông tụ của protein do nhiệt độ. Đáp án là: D. sự đông tụ của protein do nhiệt độ </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,
1055,
31500,
30103,
29884,
508,
29882,
2723,
29874,
266,
... | [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
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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