Câu hỏi: Professor Berg was very interested in the diversity of cultures all over the world. (Mark the letter A, B, C, or D to indicate the word or phrase that is CLOSEST in meaning to the underlined part in each of the following questions.)

A. variety

B. changes

C. conservation

D. number

Câu 1: Sometimes she does not agree _______ her husband about child rearing but they soon find the solutions.

A. for

B. on

C. with

D. of

Câu 2: It is not easy to ________ our beauty when we get older and older.

A. develop

B. maintain

C. gain

D. collect

Câu 3: The computer allows us to work fast and _______.

A. efficiently

B. differently

C. variously

D. freshly

Câu 4: You should not burn _______. You had better dig a hole and bury it.

A. dishes

B. lab

C. garbage

D. shift

Câu 5: I believe that he was concerned ______ all those matters which his wife mentioned.

A. with

B. over

C. upon

D. above

Câu 6: It's hard work looking _______ three children all day.

A. after

B. up

C. to

D. through