单项选择题

In previous times, when fresh meat was in short______, pigeons were kept by many households as a source of food.

A．store
B．provision
C．reserve
D．supply
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单项选择题
The mayor is a woman with great ______ and therefore deserves our political and financial support.
A．intention
B．instinct
C．integrity
D．intensity
单项选择题
A year ago the firm had a ______ loss of 4.3 million dollars or 20 cents a share after all necessary deduction.
A．total
B．gross
C．net
D．clear
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