学科：高中英语
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发布时间：2010-09-24
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21．While income worry israther common problem of the aged, loneliness is another problem thataged parents may face

A．a; 不填 B．the；不填 C．a：the D．the，：the

22．The control and prevention of H1Nl is a big to China as well as the whole world．

A，surprise B．challenge C．reaction D．threat

23．Although many heroes’family members were killed in“5. 12”Wen Chuan earthquake, they choked back their sobs to rescue other survivorstheir personal safety．

A．instead of B．because of

C．regardless of D．in case of