单项选择题

This passage is mainly concerned with ______.

A．man’s aging process
B．man’s life span
C．man’s health
D．man’s medical care
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单项选择题
Which of the following is NOT true according to the author
A．The renovation project cost 300 million yuan.
B．The temple was once a part of Beijing No. 159 Middle School.
C．Those parts of the temple too destroyed to repair are still them.
D．The temple was built about 470 years ago.
单项选择题
In order to live longer, _____.
A．we have to try to be on a diet
B．we should keep in high spirits
C．we should try to do more exercise
D．we should postpone the process of aging
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