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
You should have your eyes tested every year in case the ______ of your spectacles need changing.
A．lenses
B．glasses
C．sights
D．crystals
单项选择题
But the Swiss discovered long years ago that constant warfare brought them ______ suffering and poverty.
A．anything but
B．nothing but
C．none other than
D．no more than
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