高中英语 27题此题选什么 为什么?
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高中英语 27题此题选什么 为什么?
![高中英语 27题此题选什么 为什么?](/uploads/image/z/11276896-40-6.jpg?t=%E9%AB%98%E4%B8%AD%E8%8B%B1%E8%AF%AD+27%E9%A2%98%E6%AD%A4%E9%A2%98%E9%80%89%E4%BB%80%E4%B9%88+%E4%B8%BA%E4%BB%80%E4%B9%88%3F)
27.选B.As
as引导定语从句,as指代后面的主句.
As is well known,...=It is well known that...=What is well known is that...
as引导定语从句,as指代后面的主句.
As is well known,...=It is well known that...=What is well known is that...