考点

解题要点

备注

名词性从句

（1）what   作成分     有意义      不能省

（2）that    不作成分   没有意义    不能省略

（3）从句整体去掉，剩余部分不完整

a.  As is known to us all, the 2012 Olympic Games will be held in London.

b. It is known to us all that the 2012 Olympic Games will be held in London.

c. That the 2012 Olympic Games will be held in London is known to us all.

d. What is known to us all is that the 2012 Olympic Games will be held in London.

（4）抽象名词information, fact, news, idea, evidence, dream是同位语从句的标志

（5）同位语从句与定语从句的区别（引导词是否作成份）

选项中为wh开头的词，或者包含that，一般考虑what或者that，唯一区别在与看是否作成分。31省市学位英语网