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    【题目】At minus 130℃, a living cell can be _________ for a thousand years.

    A. spared B. protected

    C. preserved D. developed

    【答案】C

    【解析】试题分析：句意：在130摄氏度的状态下，一个活的细胞可以保存一千年。A. spared节约，分出B. protected保护C. preserved保存，存留D. developed发展。故选C。

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