单项选择题

The government has strictly carried out the policy of birth control, thus resulting in the ______ of the population in our city.

A．turning down
B．dropping out
C．leveling off
D．holding up
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单项选择题
The foundation of civilized living is to respect the law. Whoever ______ the law is bound to be punished.
A．interrupts
B．breaks
C．destroys
D．damages
单项选择题
What is now the United States might have been divided into several countries ______ the South ______ the Civil War.
A．had, won
B．if, won
C．should, win
D．were, to win
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