单项选择题

The beam that is ______by a laser differs in several ways from the light that comes out of a flashlight.

A．emitted
B．transported
C．motivated
D．translated
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单项选择题
Have you a funny______ or unusual experience that you would like to share
A．amusement
B．incident
C．accident
D．section
单项选择题
He couldn't______ her that he was innocent and he didn't commit the crime.
A．confirm
B．confide
C．trust
D．convince
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