单项选择题

Many lifestyle patterns do such______great harm to health that they actually speed up ______weakening of the human body．

A．a；/
B．/；the
C．a；the
D．/；/
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单项选择题
The settlement is home to nearly 1,000 people, many of()left their village homes for a better life in the city.

A. whom
B. them
C. which
D. those
单项选择题
—How about camping this weekend，just for a change —0K，______you want．
A．whichever
B．however
C．whatever
D．whoever
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