Question

【题目】—The cars give off a lot of waste gas into the air.

—Yes.People should take steps to________air pollution.

A. reuse B. reduce C. recycle D. repeat

Answer 1

【答案】B

【解析】句意“-汽车把所有废气排到空气中。-是的，人们需要采取措施减少空气污染”。本题考查动词辨析。A.再次使用；B.减少；C.循环；D.重复。根据句意，故选B。