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

A. efficiently

B. differently

C. variously

D. freshly

Câu 1: _______ is the study of the Earth's physical features and the people, plants, and animals that live in different regions of the world.

A. Science

B. Geography

C. History

D. Technology

Câu 2: 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 3: I believe that he was concerned ______ all those matters which his wife mentioned.

A. with

B. over

C. upon

D. above

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 put your keys in the drawer _______ they cannot get lost.

A. because

B. let alone

C. instead of

D. so that

Câu 6: A curriculum that ignores ethnic tensions, racial antagonisms, cultural _______ and religious differences is pot relevant.

A. diversity

B. contacts

C. barriers

D. levels