that引导表语从句Einstein"s most famous theory is ___we call the Theory of Relavity.A.what B.that C.which D./我选的是b,而答案是a,that不是也可以引导表语从句why?

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that引导表语从句Einstein"s most famous theory is ___we call the Theory of Relavity.A.what B.that C.which D./我选的是b,而答案是a,that不是也可以引导表语从句why?
that引导表语从句
Einstein"s most famous theory is ___we call the Theory of Relavity.A.what B.that C.which D./
我选的是b,而答案是a,that不是也可以引导表语从句
why?

that引导表语从句Einstein"s most famous theory is ___we call the Theory of Relavity.A.what B.that C.which D./我选的是b,而答案是a,that不是也可以引导表语从句why?
选 A
ABC三个都可以引导表语从句.
区别在于:that引导表语从句的话,从句中的主谓宾成分都具备,that只起引导连接作用.
而what引导的表语从句中,必须充当从句的成分,主语或者宾语.
which和what一样,但表示哪一个.
根据意思是what,不是which.
这里what做call的宾语,而the Theory of relavity 是做what的补语
肯定对!

THAT只是引导词,WHAT既是先行词又是引导词.这里是WE CALL (Einstein"s most famous theory)the Theory of Relavity.缺少宾语,所以只能 WHAT不能用THAT.

that 当然可以引导表语从句 why not

这个先行词在从句中充当的是宾语成分,that是不能充当任何成分的,只能用WHAT,要区分什么时候用that和WHAT,只要看先行词是否可以省略,因为THAT是不充当任何成分是可以省略的,而WHAT则不行(此规律仅限于表语从句)

就中国人搞语法搞得比老外的强。。。。。