Câu hỏi: Socially, the married _______ is thought to be the basic unit of society.

A. couple

B. pair

C. twins

D. double

Câu 1: He was very respectful at home and _______ to his parents.

A.  responsible

B. caring

C. obedient

D. lovely

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: You should _______ more attention to what your teacher explains.

A. make

B. get

C. set

D. pay

Câu 4: He was _______ when I had those problems and said whatever I did he would stand by me.

A. supportive

B. exciting

C. busy

D. dull

Câu 5: A curriculum that ignores ethnic tensions, racial antagonisms, cultural _______ and religious differences is pot relevant.

A. diversity

B. contacts

C. barriers

D. levels

Câu 6: 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