单项选择题

In that country, hospital doctors don't go sightseeing very often because their work ______ almost all their time.

A．takes up
B．takes off
C．takes apart
D．takes over
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单项选择题
It has long been known that total sleep ______ is 100 percent fatal to rats, yet, upon examination of the dead bodies, the animals look completely normal.
A．deposition
B．destruction
C．deprivation
D．reduction
单项选择题
He failed to carry out some of the provisions of the contract, and now he has to ______ the consequences.
A．answer for
B．run into
C．abide by
D．step into
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