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1道高一英语选择题1.___ that human cloning is totally illegal. A. It

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1道高一英语选择题
1.___ that human cloning is totally illegal.
A. It points out B. As is pointed out C. That is pointed out D. It is pointed out
请详细解释一下,谢谢,特别是像B中As.的这种句型常在什么时候用到?
1道高一英语选择题1.___ that human cloning is totally illegal. A. It
答:有三个句型可以表达:
1.As 有逗号:As is known to us all,the earth goes around the sun.
2.It 没逗号,有that:It is known to us all that the earth goes around the sun.
3.What 从句 is that-从句:What is known to us all is that the earth goes around the sun.
其中的2句由:
That the earth goes around the sun is known to us all.变来的.
that-引导主语从句,因主语太长,谓语相对较短,所以用形式主语it来代词,将真正的主语置后.得句型2.
句型1.as引导非限制性定语从句,as为关系代词,指代后面整个句子所表示的内容,有“正如.那样”的意思.
句型3,有两个名词性从句.what从句是主语从句.that从句是表语从句.
本题选D.
译:有人指出,克隆人类是完全非法的.