单项选择题

Astronauts are ______ all kinds of tests before they are actually sent up in a spacecraft.

A．inclined to
B．subjected to
C．prone to
D．bound to
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单项选择题
Professor Hawking is ______ ms one of the world's greatest living physicists.
A．dignified
B．clarified
C．acknowledged
D．illustrated
单项选择题
The financial problem of this company is further ______ by the rise in interest rates.
A．increased
B．strengthened
C．reinforced
D．aggravated
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