分析句子结构It is not so exact or so valuable to us as written history is.

分类: 作业答案 • 2022-07-25 14:33:50

问题描述：

分析句子结构
It is not so exact or so valuable to us as written history is.

答

so..as
as..as的否定形式

答

这是比较状语从句.
It is not so exact or so valuable to us (主句部分)// as written history is（从句部分）.