单项选择题

Millions of people are ______ in health by the polluted environments.

A．affect
B．effect
C．affected
D．effected
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单项选择题
Throughout history man has had to accept the fact ______ all living things must die.
A．that
B．which
C．in which
D．of which
单项选择题
The police succeeded in catching the ______ they were searching for within 48 hours.
A．crime
B．criminal
C．commit
D．commitment
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