单项选择题

The very north and south regions are covered with ice and snow.

A．areas
B．rocks
C．mountains
D．districts
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单项选择题
Argument among the speakers at the conference is bordering on violence.
A．is close to
B．is beside
C．is next to
D．is alongside
单项选择题
You could condense all the worthwhile information in this book into a few pages.
A．compress
B．collect
C．convert
D．combine
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