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At minus 130℃, a living cell can be _________ for a thousand year.
A．sparedB．protected
C．preservedD．developed
C

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