单项选择题

Animals that could not ________ themselves to the changed environment vanished and those that could survived.

A．change
B．modify
C．adapt
D．conform
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单项选择题
There ought to be less ________ over the perceived risk of mountain climbing than exists in the public mind today.
A．anxiety
B．worry
C．trouble
D．nervousness
单项选择题
The local authorities realized the need to make ________ for elderly people in their housing programs.
A．preparation
B．requirement.
C．provision
D．specification
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