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: “It’s no use talking to me about metaphysics. It’s a closed book to me.”

A. a subject that I don’t understand

B. a theme that I like to discuss

C. a book that is never opened

D. an object that I really love

Câu 2: S. Mayo Hospital in New Orleans was so named in recognition of Dr. Mayo’s outstanding humanitarianism.

A. unpopular

B. widespread

C. remarkable

D. charitable

Câu 3: Did anyone acknowledge responsibility for the outbreak of the fire?

A. inquire about

B. accept

C. report

D. find out

Câu 4: The related publications are far too numerous to list individually.

A. much

B. legion

C. few

D. full

Câu 5: If people’s interference with the environment decreases, more species will survive and produce offspring.

A. children

B. ancestor

C. descent

D. result

Câu 6: The teacher gave some suggestions on what would come out for the examination.

A. symptoms

B. demonstrations

C. effects

D. hints