At minus 130℃, a living cell can be for a thousand years. A. spared B. protected

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

   A. spared  B. protected    C. preserved   D. developed

试题答案

C

解析:

动词词义辨析。根据句意，在零下30 度，细胞能保活1000多年。