单项选择题

The duty of a soldier is to defend his country.

A．resist
B．assure
C．guard
D．contribute
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单项选择题
When there is a(n) slump in a country it is difficult to do trade, and many people are out of work.
A．descent
B．depression
C．inertia
D．decrease
单项选择题
So many people turned out for the meeting that there were not enough seats to accommodate them ail.
A．count
B．account
C．contain
D．delegate
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