单项选择题

It’s sensible to start any exercise program gradually at first．（）

A．workable
B．reasonable
C．possible
D．available

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单项选择题
The index is the government’s chief gauge of future economic activity.（）

A．measure
B．opinion
C．method
D．decision
单项选择题
He endured great pain before he finally expired.（）

A．fired
B．resigned
C．died
D．retreated
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