问题
选择题
.
According to some doctors, one of the ways to prevent us from growing old is to make sure
that our brains get enough___.
A．performance
B．exercise
C．experience
D．sport
答案
答案：B
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.
According to some doctors, one of the ways to prevent us from growing old is to make sure
that our brains get enough___.
A．performance
B．exercise
C．experience
D．sport
答案：B