：The size of the audience, _____ we had expected, was well over one thousand這個從句只能用as引導.因為它表示對已知事實提供依據.譯為"正如"而which表示主句和從句之間的因果關係.這兩個引導詞都是代替整個主句內容的,不是代替某個先行詞的.看下面的一些例子.
As we can see , this cap is very beautiful.
=this cap is very beautiful ,as we can see.
As we all know , the earth goes around the sun .
= The earth goes around the sun , as we all know .
As is reported in the newspaper, his company is closing down.
Tom passed the exam , which made his parents very happy.
He came late again , which didn"t surprised us .
He said he worked in the office until ten last night, which I doubt.
as ,which代詞引導這種定主從句,可在從句中做主語或賓語.which位置必需在主句之後.as從句可前可後.
：The size of the audience, _____ we had expected, was well over one thousand這個從句只能用as引導.因為它表示對已知事實提供依據.譯為"正如"而which表示主句和從句之間的因果關係.這兩個引導詞都是代替整個主句內容的,不是代替某個先行詞的.看下面的一些例子.
As we can see , this cap is very beautiful.
=this cap is very beautiful ,as we can see.
As we all know , the earth goes around the sun .
= The earth goes around the sun , as we all know .
As is reported in the newspaper, his company is closing down.
Tom passed the exam , which made his parents very happy.
He came late again , which didn"t surprised us .
He said he worked in the office until ten last night, which I doubt.
as ,which代詞引導這種定主從句,可在從句中做主語或賓語.which位置必需在主句之後.as從句可前可後.