【題目】At minus 130,a living cell can be ________ for one thousand years.

A.preserved B.protected

C.spread D.developed

【答案】A

【解析】

試題分析:考查動詞辨析。動詞preserve保持,保存;protect保護(hù);spread傳播;develop發(fā)展,形成;句意:在零下130度的時候,一個活細(xì)胞可以背保存一千年。根據(jù)句意可知A項(xiàng)正確。

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