问题 选择题

Most scientists seem to agree that ______ certain limit should be set on _______ consumption of cars to ease air pollution.

A.a; the

B./; the

C.the; /

D.the; the

答案

A

考查冠词。句中a certain limit一定的限制;the consumption of cars特指小汽车的消费。故选A。

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