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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,#,The earth is round._ is known to all.,The earth is round,_ is clear to us.,_ is known to all,the earth is round,_ is known to all,that,the earth is round.,It,which/as,As,It,2.as,具有正如之意，与之搭配的动词一般是固定的，如：,as,you know/,as,you see/,as,we planned/,as,we expected,1.,非限制性,定语从句在句首时只能用,as,。,主语从句,as,which,引导非限制定语从句时的区别,The earth is round._ is kn,1,关系代词,as,which,引导非限制定语从句时的区别,1.,位置不同,as,和,which,都可指主句的整个意思，而不是主句中的某一个词。两者均可引导非限制性定语从句，有时可以互换。,as,引导的非限制性定语从句，可在句首、句中、句末；而,which,引导的非限制性定语从句不能位于主,首，可在句中、句末。,。,3.as/which,引导非限制性定语从句的区别,关系代词as,which引导非限制定语从句时的区别1.位置,2,如下列习惯用语中：,as anybody can see,正如人人都能看到的那样,as is well known=as is known to all,众所周知,as we had expected,正如我们所预料的那样,as often happens,正如经常发生的那样,as has been said before,如上所述,as is mentioned above,正如上面提到的,2.,含义不同,as,具有正如、好像之意，而,which,没有此意义。,且与,as,搭配的动词一般是固定的。,如下列习惯用语中：as anybody can see,3,Go on Please!,3.,与主句语义是否一致,当从句和主句语义一致时，用,as,，反之则用,which,。,e.g.,She has married again,as,was expected.,She has married again,which,was unexpected,.,Go on Please!3.与主句语义是否一致,4,Go on please!,4.,常用语态不同,as,在从句中,作主语,时，后面常接行为动词的被动语态，如,be known,，,be said,，,be reported,等，如从句中行为动词是主动语态，一般要用,which,作主语。,e.g.,She has been late again,as,was expected.,Tom has made great progress,which,made us happy.,Go on please!4.常用语态不同,5,as,引导的非限制性定语从句其他用法,(1),This is,the same,pen,as,I lost.,This is,the same,pen,that,I lost.,Please compare:,这本书和我丢的那本一模一样。,这本书就是我丢的那本。,the same,as 引导的非限制性定语从句其他用法(1)This is t,6,as,引导的限制性定语从句,其他用法,(2),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,.,as,that,Please complete the following sentences and compare:,as,that,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,),such,so,as 引导的限制性定语从句其他用法(2)This is su,7,1.as,引导定语从句可放在句首，句中，句末，而,which,引导定语从句不能放在句首。,2.as,译为正如（常用于固定搭配），,which,则没有此义。,3.,与主句语义一致时，用,as,引导；不一致时，则用,which,引导。,4.as,可以使用被动语态，,which,常用于主动语态。,s,和,which,小结,1._ everyone knows,it is necessary to build a hospital.,2.It is necessary to build a hospital,_ is clear to us.,3.Our department will hold the meeting,_ is known by us.,As,as/which,as,1.as引导定语从句可放在句首，句中，句末，而whic,8,1.Watch the girl and her dog _,are crossing the bridge!,which B.who,C.they D.that,D,Exercise,1.Watch the girl and her dog,9,2.He is the only one of the three _ got the new idea.,A.who have,B.whom have,C.who has,D.whose had,2.He is the only one of the t,10,3.As a teacher,I seldom give my,students so difficult a problem,_ they can not work out.,A.that B.if,C.in order that D.as,3.As a teacher,I seldom give,11,4._ we know now,bats(,蝙蝠,)come out at night.,A.As B.Which,C.That D.What,4._ we know now,bats(蝙蝠),12,5.In the school there are one,thousand students,and 45%,of _ are girls.,A.which B.those,C.whom D.them,5.In the school there are one,13,6.The reason _ he didnt do his homework was _ he wasnt told to.,A.why;that B.which;because,C.which;that D.why;because,6.The reason _ he didnt,14,7.You can hardly imagine the difficulty she had _ enough evidence(,证据,)to prove the case.,A.collected,B.to collect,C.collecting,D.to have collected,7.You can hardly imagine the d,15,8.Can you think of a scene _ this word can be used?,A.where B.which,C.while D.why,8.Can you think of a scene _,16,9.He is the same teacher _,spoke at the meeting on the,opening ceremony.,A.as B.whom,C.that D.who,9.He is the same teacher _,17,10.This is the point _ they,met some difficulty.,A.when B.in which,C.at which D.that,10.This is the point _ th,18,11.The film brought the hours to me,_ I was taken good care of in,that faraway village.,A.until B.that,C.when D.where,11.The film brought the hours,19,12.Was it in the village _ we,used to live in _ the accident,happened?,A.where;that,B.which;that,C.that;where,D.where;which,12.Was it in the village _,20,Thank you!,Thank you!,21,
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