The scientists are studying the effects of human activities______the environment.A.inB.atC.onD.with-

题目简介

The scientists are studying the effects of human activities______the environment.A.inB.atC.onD.with-

题目详情

The scientists are studying the effects of human activities______the environment.
A.inB.atC.onD.with
题型:单选题难度:中档来源:不详

答案

C
此处所填的介词与effects搭配, 对……的有影响, 用 effect on/upon表示。我们也可以联想所学短语 have an effect on sth。

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