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    The vaccine was used to the whole population bird flu . A. keep; out of B. protect; from C. keep; away D. make; out of 【查看更多】

     

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    The vaccine(疫苗)was used to _______ the whole population _______ Bird Flu(禽流感)．


    1. A.
      keep; out of
    2. B.
      protect; from
    3. C.
      keep; away
    4. D.
      make; out of

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    The vaccine(疫苗)was used to _______ the whole population _______ Bird Flu(禽流感)．

    [　　]
    A．

    keep; out of

    B．

    protect; from

    C．

    keep; away

    D．

    make; out of

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