单项选择题

The professor ______ his habit of getting up early in the morning to do writing all his life.

A．projection
B．retained
C．retailed
D．revitalized
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单项选择题
There are two main requirements before the fifth-generation computer can become a reality and it is these that scientists are ______.
A．anticipating
B．tackling
C．manipulating
D．speculating
单项选择题
The local government gave the first ______ to education after the war.
A．projection
B．protection
C．profession
D．priority
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