The conference has been held to discuss the effects of tourism________ the wildl

Question

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

Answer 1

答案B
该题考查介词搭配，effect后接介词on，意为“对……产生影响”，“对……起作用”，这句意思是“会议讨论了旅游对这个地区野生动物的影响”.答案为B.例如：The news has produced very little effect on the mind of the public．
这条消息对公众的思想影响极小.
A word from one of his teachers will have a great effect on my son．
老师的一句话将对我的儿子起很大作用.