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    The WHO gave a warning to the public without any when the virus of H1N1 hit Mexico in April, 2009. A. response B. arrangement C. delay D. discouragement 【查看更多】

     

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    The WHO gave a warning to the public without any 　　　 when the virus of H1N1 hit Mexico in April, 2009.

    A. response　 B. arrangement C. delay　　　 D. discouragement

     

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