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36、H1N1 control and prevention is a        to Mexico as well as the whole world.

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

36、B

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科目:高中英语 来源: 题型:

H1N1 control and prevention is a        to Mexico as well as the whole world.

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

查看答案和解析>>

科目:高中英语 来源:黑龙江省哈师大附中2008-2009学年下高一六月考英语试题 题型:014

H1N1 control and prevention is a ________ to Mexico as well as the whole world.

[  ]

A.surprise

B.challenge

C.reaction

D.threat

查看答案和解析>>


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