单项选择题

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

A．in
B．on
C．at
D．with
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单项选择题
Do you think I should get a good guidebook Yes, of course. ______, you also need a good camera and comfortable shoes.
A．What's more
B．In order words
C．By the way
D．All in all
单项选择题
He had never given a speech for so many people, so he felt ______.
A．excited
B．stupid
C．disappointed
D．nervous
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