单项选择题

The survey showed that ______ numbers of 15-year-olds were already smoking twenty cigarettes a week.

A．essential
B．steady
C．primary
D．substantial
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单项选择题
His desire to ______ other people has caused trouble in his family.
A．please
B．dominate
C．force
D．urge
单项选择题
This policy gave ______ to private property and led to differences between the rich and the poor.
A．life
B．birth
C．way
D．death
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