The conference has been held to discuss the effect of tourism_________ the wildlife in the area.

A．[ A ] in

B．[ B ]on　　在线ψ 考试中心┨

C．[ C ]at

D．[ D ] with

查看答案及解析进入在线模考

参考答案

【考点】介词的用法
【解析】本句意为：召开会议是为了讨论旅游业对此处野生动物的影响。effect“影响，效果”，表示“对…的影响”用介词on。

1 Although he has taken a lot of medicine, his health _________ poor.

A．[ A ] proves

B．[ B ] remains 　　在线ψ 考试中心┨

C．[ C ] maintains

D．[ D ] continues

查看解析在线模考

2 When he left_________ college, he got a job as_________ reporter in a newspaper office.

A．[ A ]/; a

B．[ B ]/; the 　　在线ψ 考试中心┨

C．[ C ]a; the

D．[ D ]the; the

查看解析在线模考

3 I remember Jimmy left _________a rainy night.

A．[ A ] on

B．[ B ] at

C．[ C ] in

D．[ D ] during

查看解析在线模考