The conference has been held to discuss the effects of tourism the wildlife in the area.A

发布时间：2020-08-17 03:15:06

The conference has been held to discuss the effects of tourism      the wildlife in the area.
A. on
B. in
C. at
D. of

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(答案→)A. on
B. in
C. at
D. of
解析：句意：会议已经被举行来讨论在这个地区旅游对野生动物的影响。the effect on sth 对…的影响，习惯搭配，故选A
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