___ is known to all,Columbus used a ship to discover America

___ is known to all,Columbus used a ship to discover America about 450 years ago.
为什么填It而不填As?两者有什么区别?
赌aa号 1年前 已收到1个回答 举报

MCofGM 幼苗

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it is known to all 众所周知
as we all know 正如我们所知道的那样

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赌aa号 举报

It is known to all 后面不是应该接从句吗

举报 MCofGM

As is known to all属于放句首的定语从句,也可理解为状语
It is known to all后接从句that
As is known to all,the earth travels around the sun.
It is known to all (of us) that all matter is made up of molecules and that molecules are always moving.

这样看来,这里应该填As。
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