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 last time I saw Rose was three years ago.

A. I haven't seen Rose since three years.

B. I haven’t seen Rose three years ago.

C. I didn't see Rose for three years

D. I haven’t seen Rose for three years.

Tìm x, biết:

a) (x - 3.5).12 = 0;                              b) 35. (x-10) = 35;

c) ( x -5): 3 + 3 = 24                           d) ( x- 4) : 3 - 2 = 100

c) 25.(2.x - 4).12 = 0                          d) (x- 4) : 6 - 5 = 10

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.

Could you wait a second while I get dressed, Tom?" Jane said.

A. Jane said to Tom to wait a second while she got dressed.

B. Jane asked Tom to get her dressed for a while waiting.

C. Jane asked Tom to wait a second while she got dressed.

D. Jane said to Tom he should wait a second while she got dressed.

Tìm x, biết:

a) (x - 7):5 = 0;                                   b) x : 3 - 13 = 47

c) (x : 7 - 7) (x: 12 - 12) = 0;               d) 135 + x : 2 = 150

e) 140 - 100 : x = 120;                        g) 300 - x : 5 = 273

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.

Ha Long Bay, the global heritage recognized twice by the UNESCO, remains one of the country's top attractions.

A. Ha Long Bay was recognized twice by the UNESCO, and as a consequence it remains one of the country's top attractions.

B. Ha Long Bay, the global heritage which was recognized twice by the UNESCO, that remains one of the country’s top attractions.

C. Ha Long Bay, is the global heritage and was recognized twice by the UNESCO, remains one of the country's top attractions.

D. It is Ha Long Bay, the global heritage recognized twice by the UNESCO, that remains one of the country's top attractions.

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.

There are more than eight four million specimens in the National Museum of Natural History’s collection of biological, geological, anthropology treasures.’

A. collection

B. specimens

C. anthropology

D. treasures

Tính nhanh:

a) 23.56 + 56.77;

b) 32.19 + 32;

c) 35.34 + 35,86 + 65.75 + 65.45;

d) 43.17 + 29.57 + 13.43 + 57;

e) 3.25.8+4.37.6 + 2.38.12

f) 64.16+81.84+17.16

Hấp thụ hoàn toàn V lít  C O 2 (đktc) vào bình đựng 100 ml dung dịch NaOH 4M và  N a 2 C O 3 1M. Cô cạn dung dịch sau phản ứng ở nhiệt độ thường thu được 29,2  gam chất rắn khan. Giá trị của V là 

A. 4,48

B. 1,12

C. 2,24

D. 3,36

Find the word with has different stress pattern from the others

A. active

B. section

C. appoint

D. happy

Phần ảo của số phức z = 2 + i 5  là

A. 41.

B. -38.

C. -41

D.38