Câu hỏi: Professor Berg was very interested in the diversity of cultures all over the world.

A. variety

B. changes

C. conservation

D. number

Câu 1: You should concentrate on what the interviewer is saying.

A. be related to

B. express feelings

C. express the thoughts

D. pay all attention to

Câu 2: The average, ________watches television for about 15 hours a week.

A. spectator

B. observer

C. audience

D. viewer

Câu 3: There's a real mix of people in Brighton. It has a very cosmopolitan feel to it.

A. busy

B. hectic

C. multi-cultural

D. diversified

Câu 4: After several injuries and failures, things have eventually ______ for Todd when he reached the final round of the tournament.

A. looked up

B. gone on

C. taken up

D. turned on

Câu 5: Although Brenda came last, everyone agreed she had ________ her best.

A. had

B. got

C. done

D. made

Câu 6: These projects have proved to be very effective in dealing with global climate change, which was considered an insoluble problem in the first 30 years of this century.

A. hard

B. challenging

C. unsolvable

D. unbearable