1、 Content：M1 Unit 3 Grammar and usage(2)Aims of this class: At the end of class, the students can : differentia the usage of as from that ofwhich in non-restrictive Attributive Clause.Importance: know the differences betweenas and which in non-restrictive Attributive Clause.Difficulty:the differences
2、 between as and which in Attributive Clause.Step one :Check homeworkStep two: presentationas 和which引导非限制性定语从句, 代替整个主句。1. As everyone knows,China is a country with a long history. 众所周知，中国是一个历史悠久的国家。2. She is a teacher, as is clear from her manner.她是个教师, 这一点从她的举止可以清楚地看出。3. He missed the show, which wa
3、s really a great pity. 他错过了演出，这真是很大的遗憾。Conclusion：as 和which在引导非限制性定语从句时, as和which可代替整个主句，相当于and this或and that。这两个关系代词都可指代主句所表达的整个意思,且在定语从句中都可以作主语和宾语。as与which的区别：定语从句区别例句限制性定语从句中名词前有such和the same修饰时，关系代词用as,不能用whichHe is not such a fool as he looks.Dont read such books as you cant understand. 非限制性定语从
4、句中1)as常带有“正如”的意思,一般用肯定句中。2)as引导的从句可以放在主句前,也可以放在后面；而which引导的从句只能放主句后说明主句产生的结果，或对主句的内容作出判断，译为：“这.”They won the game, as we had expected.They won the game, which we hadnt expected.As is well known, he is a famous film star in the 1980s.固定搭配：such.as, so as, the sameas 固定句式 as is known to all, as is ofte
5、n the case,as is hoped, as is supposed，as often happens,as is reported,as is supposed 等 Step three: Practice1.Alice received an invitation from her boss, _ came as a surprise.2. The weather turned out to be very good, _ was more than we could expect. 3. _ is expected, the England team won the footba
6、ll match.4. It rained hard yesterday, _ prevented me from going to the park.5. _we can see, the smoke came from the little dustbin.6._ is known to all, China is a country with the largest population.7.This is such an interesting book _ we all like. 注意：This is such an interesting book _we all like it
7、Homework(1)review the restrictive and non-restrictive attributive clauses.(2) 单项选择1.My parents were quarreling about me _I could not quite tell why. A. since B. though C. if D. until 2. His movie won several awards at the film festival, _was beyond his wildest dream. A which B that C where D it3 Las
8、t week ,only two people came to look at the house,_ wanted to buy it. A none of them B both of them C none of whom D neither of whom4 Now that she is out of a job, Lucy _going back to school, but she hasnt decided yet. A .had considered B.has been considering C. considered D .is going to consider5 _
9、is mentioned above,the number of the students in high schools is increasing. A.Which B.As C That D It6 This machine _. It hasn t worked for years. A didnt work B wasnt working C doesnt work D isnt working 7.14. John got beaten in the game, _ had been expected. A. as B. that C. what D. who8. I cant r
10、emember when exactly the Robinsons left_ city. I only remember it was _Monday. A the, the B a, the C a, a D the, a9 Mom, what did your doctor say?He advised me to live _the air is fresher. A in where B in which C the place where D where10 we saw several natives advancing to wards our party, and one of them came up to us, _we gave some bells and glasses. A to which B to whom C with whom D with which
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