2. He always help others.______ is why we trust him. A. it B. That C. This D. These

2. He always help others.______ is why we trust him. A. it B. That C. This D. These

that才能代替前文提到的内容，注意是“内容”，不是“事物”追问1. Knowledge is power. ________is known to all. A. This B. That C. It D.He
答案哪个追答C追问that才能代替前文提到的内容，注意是“内容”，不是“事物” .推理是B呀追答汗.....你后面这个句子不一样啊，这个是形式主语，所谓前文提到，不仅仅是位置在前面....而且两个题目的后半句也不一样，一个名词性表语从句，一个形容词性的过去分词短语做表语，这么说吧，第二题改成这样来看___It_____is known to all that knowledge is power追问1. Knowledge is power. ________is known to all. A. This B. That C. It D.He
正确答案是 B. 难道答案错了？谢谢追答我个人觉得这两个不一样，个人意见，仅供参考，你看下答案上的解析，能看明白就可以了

B

that
语感

指代前面提到的事情，用that，选B。那就是我们为什么信任他的原因。

C
this is why --
这就是---的原因

2. He always help others.___That___ is why we trust him. A. it B. That C. This D. These
检举 | 2012-9-19 10:50 提问者： 1245901161
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问题补充： 1. Knowledge is power. ____That____is known to all. A. This B. That C. It D哪个答案

He always help others. (That) is why we trust him.

一般用that代替前面是事情，用this代替下文要说的事情。

固定用法。it一般代替的是具体的东西。

所以选B.追问1. Knowledge is power. ________is known to all. A. This B. That C. It D.He
答案哪个