单项选择题

To a large degree, man is still at the______ of weather.

A．risk
B．mercy
C．track
D．calamity
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单项选择题
When lights were suddenly turned on, the tiny 'beam of the flashlight was lost______ the bright lights.
A．amidst
B．among
C．against
D．into
单项选择题
______ the tense hostile atmosphere, nobody said a word, for it would have triggered a fierce fight.
A．In the course of
B．In spite of
C．In case of
D．In the midst of
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