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    So far, man-made satellites have been into space by many countries. A. opened up B. put up C. sent up D. sent away 【查看更多】

     

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    So far, man-made satellites have been ________ into space by many countries.

    [　　]

    A．opened up
    B．put up
    C．sent up
    D．sent away

    查看答案和解析>>

    So far, man-made satellites have been ________ into space by many countries.

    [　　]

    A．opened up
    B．put up
    C．sent up
    D．sent away

    查看答案和解析>>


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