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
People who smoke too much are apparently at risk of disease.
A. greatly
B. distinctly
C. mostly
D. permanently
单项选择题
Sometimes a dictionary designates a noun as attributive, which means that it can be used to describe another noun or name its attributes.
A. conveys
B. defines
C. indicates
D. explains
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