The key is aerobic exercise, for example ______.
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Sleep can cure colds.
A. Right
B. Wrong
C. Not mentioned
The second way is to use ______.to fight against common diseases.
The most efficient cure for a bad mood is
根据以下资料。回答下列各题。
2008年非国有企业平均工业总产值比2005年增长()。
A. 50.5%
B. 5000万元
C. 30.7%
D. 7000万元