As it is known to us, fewer and fewer students do sports regularly, which makes them weak and easily tired.这句话能理解为方式状语 从句吗?
As it is known to us 为错误。改为 As is known to us all. as从句为传统语法的非限制性定语从句。
as it is known,通常为名词修饰语(限制或非限制性),用于主语和谓语动词之间。
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