题目

题型：不详难度：来源：

_______ is even important is ______ as the earth cooled down, water began to appear on its surface.

A．That, that

B．What, that

C．What, what

D．It, that

答案

B

解析

试题分析：考查名词性从句：句意：甚至更重要的是，随着地球冷却下来，水开始出现在它的表面。第一空是what引导的主语从句，what在主语从句中做主语，第二空是that，连接表语从句，因为表语从句是完整的，不缺成分，选B。