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: 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

Câu 2: It will take more or less a month to prepare for the wedding.

A. approximately

B. generally

C. frankly

D. simply

Câu 3: ______ individuals are those who share the same hobbies, interests, or points of view.

A. Light-hearted

B. Like-minded

C. Even-handed

D. Open-minded

Câu 4: It is crucial that urban people not look down on rural areas.

A. evil

B. optional

C. unnecessary

D. vital

Câu 5: The average, ________watches television for about 15 hours a week.

A. spectator

B. observer

C. audience

D. viewer

Câu 6: People who hold optimistic view believe that cities of the future will increase the general well-being of individuals and societies.

A. health state

B. quality of life

C. level of development

D. growth rate