单项选择题

Poverty and inadequate health care take their toll on the quality of a community’s health.()

A. destruction
B. contribution
C. charge
D. origin

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单项选择题
12（）

A.Because it was too noisy.
B. Because he wanted to join the party.
C. Because he was too tired.
D. Because he turned on some music.
单项选择题
In spite of the taxing business schedule, he managed to take some time off for exercise().

A. imposing
B. demanding
C. compulsory
D. temporary
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