单项选择题

It can be predicted that educational TV programs will cover a wider______ of subjects in the few years to come.

A．range
B．series
C．extent
D．variety
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单项选择题
The______ of the national government is to protect the rights and freedoms.
A．premise
B．objective
C．object
D．origin
单项选择题
Women have significant advantages over men in space because they need less food and less oxygen and they______ radiation better.
A．stand up for
B．face up to
C．stand up to
D．break away from
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