单项选择题

It is hard to ensure that people doing ______ jobs receive equivalent rates of pay.

A．comparative
B．comparable
C．relative
D．equal
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单项选择题
The judge ______ him to spend all his days in prison, for he killed his wife.
A．abused
B．condemned
C．charged
D．accused
单项选择题
The world economic system is partial to the developing countries ______ the developed ones.
A．exploding
B．exptoring
C．exploiting
D．exporting
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