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    H5N1 bird flu can result in death unless left ________ in time when a girl in Hunan, the first human case dying from bird flu after developing high fever.

    [　　]

    A．to treat
    B．treating
    C．treated
    D．treat

    答案：C
    解析：

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    　　There are already three areas hit by bird flu in the provinces of Hunan and Anhui and the northern region of Inner Mongolia, areas all on the migratory routes of wild birds．In the past two weeks China has reported three outbreaks of the H5N1 virus that killed 3800 chickens, ducks and geese(鹅)．

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    [　　]

    A．

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    B．

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    C．

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    [　　]

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    C．

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    C．

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