名词性从句中what和which的区别

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名词性从句中what和which的区别

名词性从句中what和which的区别
名词性从句中what和which的区别

名词性从句中what和which的区别
what 引导名词从句中,意思是“所.的”
如:What he said is true.他所说的是真的.
which引导名词从句中,意思是“哪个,那些”
如:I don't know which is more useful.我不知道哪个更有用.

what在名词性从句中,可以等于the thing that
eg:What he said is true =The thing that he said is true 没有范围限制。
which 更强调哪个,哪些
eg:I don't know which is more uesful. 因为有more,所以是强调两者之中,哪一个更怎样。
基本上选which都有个范围。。