定语从句中as 和which的区别.ppt

* 本课学习内容: 定语从句中的关系代词as的用法； as 和which的区别 学习要求: 掌握as能充当的成分,引导从句的类型以及和which在引导非限定性定语从句的区别. 重点：as的具体用法 难点： as 和which引导非限定性定语从句的区别. 人小鬼大的 as The earth is round. It is known to all. The earth is round, as is known to all. As is known to all, the earth is round. The earth is round, which is known to all. He married Jenny. This was natural(自然的;正常的) He married Jenny ,as /which was natural. As was natural,he married Jenny She is very good at dance. Everybody knows this. As everybody knows,she is very good at dance. She is very good at dance, as /which everybody knows. It has been said above. Grammar is a set of dead rules. Grammar is a set of dead rules,as /which has been said above. As has been said above,grammar is a set of rules. I want to have such a dictionary as he has. I shall do it in the same way as you did. I like the same book as you do. The experiment is very important, as indeed it is As is known to all, he is the best student in our class As we all know, he works very hard. Please compare: This is the same pen as I lost. This is the same pen that I lost. 这本书和我丢的那本一模一样。 这本书就是我丢的那本。 Please complete the following sentences and compare: This is such an interesting book ____ we all like. This is so interesting a book ____ we all like. This is such an interesting book ____ we all like it. This is so interesting a book ____ we all like it. 这是大家都喜欢的如此有趣的一本书。(定语从句) 这本书如此有趣，大家都喜欢。(结果状语从句) as as that that 1. It rained hard yesterday, _____ prevented us from going to the park.A. that B. which C. as D. it B 2.______ is mentioned above, the number of the students in senior school is increasing.A. Which B. As C. That D. What B 3. Chongqing is not the same city _______ we have seen in other places. A. that B. which C. 不填 D. as D 4.Such signs _____we use in the experiment ______Greek letters. A. as ,are B. as, is C. that, are D. that, is A (94 NMET)