____ is known to us is that Yuan Longping called "the father of hybrid rice" ,for ____ life was hard in the past ,still works very hard in his seventies.A.As;whom B.What;whom C.It;whose D.As;whose给的答案是B,最好能分析一下其它选项,

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____ is known to us is that Yuan Longping called

____ is known to us is that Yuan Longping called "the father of hybrid rice" ,for ____ life was hard in the past ,still works very hard in his seventies.A.As;whom B.What;whom C.It;whose D.As;whose给的答案是B,最好能分析一下其它选项,
____ is known to us is that Yuan Longping called "the father of hybrid rice" ,for ____ life was hard in the past ,still works very hard in his seventies.
A.As;whom B.What;whom C.It;whose D.As;whose
给的答案是B,最好能分析一下其它选项,

____ is known to us is that Yuan Longping called "the father of hybrid rice" ,for ____ life was hard in the past ,still works very hard in his seventies.A.As;whom B.What;whom C.It;whose D.As;whose给的答案是B,最好能分析一下其它选项,
What引导主语从句
Whom表示前面的袁隆平 因为那人做宾语 所以这个也是宾格的
如果一开始用AS的话后面也不会这么表达啊 会这样说的 as is known to us,yuanlongping……而不是这样 这就是主语从句的形式~
而whose是表示某人的…… 句意明显看出来前面有for 所以说的是对……而言 过去的生活是很艰辛的
it也是同理 如果用it的话就要表达成it is known to us that……
不懂再补充问题吧

as只能跟在名词活句子后引导定语从句，不能单独起代词作用。而what本身是代词，充当主语引导出名词性从句了。这个句子前半句主干是“众所周知的是袁隆平怎样怎样”，显然第二个is才是主句的谓语动词。第一个is只能在从句中作谓语。如果用C项it，那么it是代词直接做了主语，就不是从句了。第二空前的for是对于的意思，“对他而言生活很艰难”，whom代指袁。whose是“他的”，用进去就无法翻译通顺。虽然...

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as只能跟在名词活句子后引导定语从句，不能单独起代词作用。而what本身是代词，充当主语引导出名词性从句了。这个句子前半句主干是“众所周知的是袁隆平怎样怎样”，显然第二个is才是主句的谓语动词。第一个is只能在从句中作谓语。如果用C项it，那么it是代词直接做了主语，就不是从句了。第二空前的for是对于的意思，“对他而言生活很艰难”，whom代指袁。whose是“他的”，用进去就无法翻译通顺。虽然whose life可以放在一起，但这里for如果接了whose life，那后面的句子就没主语了，所以不行。

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is that 的解释说明的第一要添 what 来问
第二个填whom 应为 for + object 要用 代词的宾语格式 而且整个逗号间的句子起到的都是解释的作用，用who做介词，然后for跟 宾语格式变成 whom

主语从句 代词 ____ he is a good student is known to us all.如何分析, As is known to us.和It is known to us.后面接什么啊?为啥 It Is known to us 和as is known to us 有什么区别 it is known to us all,as is known to us all和what is known to us all有什么区别 ____,many centuries had passed before man learned to use fire.A.Since it is known to us all B.As long as it is knownC.As is known to us all D.What is known to us allWhich one?Why? it is well known to us that是什么意思 She is a good woman,___is known to us all. as is known to us that为什么不对呢? lt is known that smoking does great ----[harm]to us. As is known to us 可以怎么造句? As is known to us……和Which is known to us……的区别? As is known to us……和Which is known to us……的区别? 众所周知哪儿有污染,哪儿就有伤害.英文翻译It is known to us all ___ ___ ___ ___ ____,there is harm. 有关as is known to us all,it is known to us all 的辨析1.As is known to us all,the earth is round.2.It is known to us all that the earthe is round.3.what is known to us all is that the whale is not fish but mammal.请问这3个分别是什么从 .The fact ____ she works hard is well known to us all. A.that B.what C.why D.which1.The fact ____ she works hard is well known to us all. 　　A.that B.what C.why D.which 2. The fact _ he was successful proves his ability.A.that B. what 这两个都 ----is well known to us all that Taiwan belongs to China.--- is known to us all ,Taiwan is part of--is known to us all that Taiwan is part of china---is known to us all is that Taiwan is part of chinaA.it B.As C.That D.what四题应选什么,为什 the olympic game in the year 2012_____in london ,which ____ known to us allA is to be held was B are to be held is 讲解一下为什么这么选 是what is known to us that还是what known to us is that要准确回答我们有大考那我说的两个一个都不对吗？