题目内容
The conference had been held to discuss the effects of tourism ______ the wildlife in the area.
A. in B. on C. at D. with
B
have an effect on对……影响。
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题目内容
The conference had been held to discuss the effects of tourism ______ the wildlife in the area.
A. in B. on C. at D. with
B
have an effect on对……影响。