单项选择题

The present universal fear has been the result of a forward surge in our knowledge and ______ of certain dangerous factors in the physical world.

A．perception
B．supplement
C．synthesis
D．manipulation
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单项选择题
Federal troops were-used to ______ a crowd that tried to storm the jail.
A．deteriorate
B．disperse
C．dissipate
D．drain
单项选择题
The drunkard ______ out of the wine shop with a bottle of wine still in his hand.
A．hovered
B．strode
C．paced
D．staggered
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