单项选择题

It's prudent to start any exercise program gradually at first.

A．workable
B．sensible
C．possible
D．feasible
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单项选择题
Medical facilities are being upgraded.
A．renewed
B．repaired
C．improved
D．increased
单项选择题
It is absurd to predict that the sun will not rise tomorrow.
A．ridiculous
B．funny
C．odd
D．foolish
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