题目内容

6.Everyone in street must__________traffic rules.

A. observe
B. serve
C. accept
D. watch

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7.As soon as I came in, I felt a warm__________in the room.

A. air
B. breath
C. atmosphere
D. competition

8.We want more__________for our food.

A. various
B. variously
C. very
D. variety

9.The research center is using the latest electronic__________.

A. tool
B. facility
C. machine
D. equipment

10.His head was very__________.

A. plastic
B. painful
C. widespread
D. inventive