问题
选择题
The conference has been held to discuss the effects of tourism _______ the wildlife in the area.
A．in
B．on.
C．at
D．with
答案
答案：B
have effect on……，对……有影响
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The conference has been held to discuss the effects of tourism _______ the wildlife in the area.
A．in
B．on.
C．at
D．with
答案：B
have effect on……，对……有影响