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 from 48 to 50.

 A child is influenced as much by his schooling as by his parents.

A. A child’s parents have greater influence on him than his schooling.

B. Schooling doesn’t influence a child as much as his parents do.

C. A child can influence his parents as much as his schooling.

D. A child’s schooling influences him as much as his parents do.

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 from 45 to 47.

The 1983 Nobel Prize in Medicine was awarded to Barbara McClintock for her experiments with maize and her discoveries regardless the nature of DNA.

A. experiments with

B. regardless

C. discoveries

D. was awarded

Chứng minh rằng một số tự nhiên khác 0, có số lượng các ước là một số lẻ thì số tự nhiên đó là một số chính phương

Chứng minh rằng các số sau là hợp số:

a, 676767

b, 311141111

Let’s ask our teacher how to solve this problem _________ we can’t agree on the answer.

A. Since

B. because of

C. due to

D. owing to

He asked, "Why didn’t she take the final exam?” - He asked why______the final exam.

A. she took 

B. did she take

C. she hadn’t taken

D. she had taken

Tính 

a ) 2 9 + − 5 12 − − 3 4 ; b ) − 27 36 − 20 80 − 11 22 ;

Con hãy tìm những từ chỉ sự vật có trong câu sau đây:

Ánh nắng mới lên nhuộm hồng làn sương vương trên những ngọn cây.

Choose the letter A, B, C or D the word that has the underlined part different from others.

A. field

B. pick

C. disturb

D. convenient