单项选择题

The board of the company has decided to ______ its operation to include all aspects of the clothing business.

A．enlarge
B．extend
C．amplify
D．expand
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单项选择题
During the night a person's temperature may drop one or two degrees, and it can be difficult to ______ him in the morning if his body hasn't become hot yet.
A．arise
B．arouse
C．raise
D．rise
单项选择题
The discovery of the halftone process in photography in 1881 made it ______ photographs in books and newspapers.
A．the possible reproduction
B．the possibility of reproducing
C．possible to reproduce
D．possibly reproduced
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