【題目】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】試題分析：句意：在130攝氏度的狀態(tài)下，一個活的細(xì)胞可以保存一千年。A. spared節(jié)約，分出B. protected保護(hù)C. preserved保存，存留D. developed發(fā)展。故選C。

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