单项选择题

The project required ten years of diligent research.

A．hardworking
B．scientific
C．basic
D．social
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单项选择题
I can t put up withmy neighbor s noise any longer, it s driving me mad.
A．measure
B．generate
C．tolerate
D．reduce
单项选择题
He was kept in appallingconditions in prison.
A．critical
B．terrible
C．necessary
D．normal
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