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    It is breakouts of bird flu that many monitoring stations have been set up, not to disturb the living environment of wildlife. A. controlling B. having controlled C. to control D. controlled 【查看更多】

     

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    It is ______ breakouts of bird flu that many monitoring stations have been set up, not to disturb the living environment of wildlife.

    A．controlling        B．having controlled         C．to control        D．controlled

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    It is ________ breakouts of bird flu that many monitoring stations have been set up, not to disturb the living environment of wildlife．

    [　　]

    A．controlling

    B．having controlled

    C．to control

    D．controlled

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