单项选择题

You should ______ the wheels of your bicycle once a month.

A．fabricate
B．confiscate
C．lubricate
D．syndicate
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单项选择题
Underlying this hostility was a ______ belief in the ethical and moral superiority.
A．theoretical
B．profound
C．philosophical
D．productive
单项选择题
Anti-hunt protestors stayed away from the meeting, preferring to show their support by way of a ______ of more than 5,500 signatures.
A．plea
B．petition
C．resort
D．reproach
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