单项选择题

All the cars are tested for defects before leaving the factory.

A．functions
B．faults
C．motions
D．parts
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单项选择题
In Britain and many other countries appraisal is now a tool of management.
A．evaluation
B．production
C．efficiency
D．publicity
单项选择题
The river widens considerably as it begins to turn west.
A．twists
B．stretches
C．broadens
D．bends
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