一道高中英语名词性从句问题_____mathematics is the basic subject of all the scientific researches is known to everyone.A What B How CThat D When

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一道高中英语名词性从句问题_____mathematics is the basic subject of all the scientific researches is known to everyone.A What B How CThat D When
一道高中英语名词性从句问题
_____mathematics is the basic subject of all the scientific researches is known to everyone.A What B How CThat D When

一道高中英语名词性从句问题_____mathematics is the basic subject of all the scientific researches is known to everyone.A What B How CThat D When
C.That 引导的名词性从句作主语.赞同以上观点,that在这里没有实在意义,只起到语法作用,即引导名词从句mathematics is the basic subject of all the scientific researches

C. that 引导的名词性从句作主语。

选C啊,is之前的都是这句话的主语,因为主语是一个句子,所以用that作形式主语。希望帮到你!

A。。。。。

That, that 引导名词性从句不充当成分,原句中mathematics 是从句的主语,is是系动词,the basic subject of。。。充当表语,构成主系表结构,标准的简单句啥都不缺,所以选that。