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

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

A.spared

B.protected

C.preserved

D.developed

答案及解析: C

句意:在零下130℃,一个活细胞可以保存一千年。spare抽出(时间),省得,免去,吝惜;protect保护;preserve保护,保存;develop发展,研制。根据句意选C。