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    30．At minus 130℃, a living cell can be for a thousand years． A．preserved B．protected C．spared D．developed 【查看更多】

     

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    At minus 130℃, a living cell can be ________ for a thousand years．

    [　　]

    A．spared

    B．protected

    C．preserved

    D．developed

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    At minus 130 ℃, a living cell can be            for a thousand years.

    A．spared

    B．protected

    C．preserved

    D．developed

    查看答案和解析>>

    At minus 130℃，a living cell can be ____________for a thousand years．

    　　A．spared

    　　B．protected

    　　C．preserved

    　　D．developed

    查看答案和解析>>


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