单项选择题

A laser beam is used to ______even the hardest substance.

A．light up
B．repair
C．identify
D．penetrate
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单项选择题
It usually takes some time to ______ the shock of somebody' s death.
A．overcome
B．do without
C．ignore
D．deal with
单项选择题
He was given imprisonment without the ______ a fine.
A．punishment
B．request
C．freedom to choose
D．demand
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