单项选择题

To prevent the spread of the epidemic, the public health organization carries out frequent ______ on the restaurants.

A．inspection
B．investigation
C．observation
D．examination
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单项选择题
Two years later, at the mid-term elections, his party suffered a very serious ______.
A．disturbance
B．setback
C．output
D．distortion
单项选择题
His speech ______ with the release of a report on the New England economy.
A．coincided
B．collaborated
C．overlapped
D．collided
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