八年级生物下册 13.1 生物的分类课件1 北京版 (1132)

1、Section Grammar一二三一、短语翻译1.发生 2.同时,然而 3.在的中部 4.既然 5.没有其他的人 takeplaceatthesametimeinthemiddleof.nowthatnooneelse一二三二、翻译句子1.Thethiefrushedoffthebusbeforethepolicemancaughthim.2.Wedidntcomeontimebecauseourcarbrokedownontheway.3.Marydidntgetmarrieduntilshewasinherthirties.4.ItisalmosttenyearssinceIgradua

2、tedfromthatuniversity.5.Ashegrowsolder,hebecomeslessactive.答案:警察还没来得及抓住他,小偷就蹿下了公交车。答案:因为汽车半路抛锚,所以我们没有能够准时来到。答案:玛丽直到三十多岁才结婚。答案:我从那所大学毕业已经快有10年了。答案:随着年龄的增长,他变得不爱动了。一二三三、语法填空1.MrSmithhaslearnedsomeChinesehecametoShenzhen.2.youvegotsuchagoldenchance,whynotmakethebestofit?3.Awholemonthhadpassedshefullyre

3、covered.4.Youmustntleaveyougetyourworkdoneby6oclock.5.Pleasekeepreadingthepoemyouhaverememberedit.6.Ididntknowwhathappened.HehadrushedoutoftheroomIcouldaskhim.sinceSince/Nowthatbeforeuntiluntilbefore一二三7.thetreewasasmallone,itdidnttakelongtocutitdown.8.Itwasnotyet7oclockhecameback.9.TheNo.9Busdidntp

4、assIwaswaiting.10.Hefailedagainjusthedidntworkhardathislessons.Aswhenwhilebecause1231.In the first sentence,the word when can be replaced with as soon as.(P44)在第一个句子中,单词when可以用as soon as代替。考点:replace v.取代,代替;放回原处Nothingcanreplaceamothersloveandcare.没有什么东西能够代替母亲的关爱。Hereplacedthebookontheshelfafterfin

5、ishingreadingit.读完书后,他把书放回到书架上。123考点延伸阅读下列句子,体会黑体词相关短语的搭配和意义Iamgoingtoreplacemyoldcarwithanewone.我打算买辆新车来取代我那辆旧车。搭配:replace.with.意义:用代替ThehouseIgrewupinhasbeentakendownandreplacedbyanofficebuilding.那座我在里面长大的房子已经被拆掉,取而代之的是一座办公大楼。搭配:bereplacedby意义:被代替1231232.Now that I have made this first visit,I hop

6、e I can come many more times.(P45)既然我已经有了这第一次访问,我希望还能够来访多次。考点:now that 既然,由于Nowthatyouhavepassedyourdrivingtest,youcandriveonyourown.你驾驶考试既已合格,就可以独自开车了。考点延伸阅读下列句子,体会黑体词相关短语的搭配和意义Bynow,puttingsatellitesinorbitisveryeasyforspacescientists.到现在,对航天科学家来说,把卫星送入轨道是很容易的事。搭配:bynow意义:到现在123Youreaskedtoleaveth

7、edangerousplacerightnow.要求你马上离开这个危险的地方。搭配:rightnow意义:立刻,马上;此刻DontforgetwhatItoldyoujustnow.别把我刚才跟你说的事忘了。搭配:justnow意义:刚才FromnowonIwilltrytodobetter.从现在起我要尽量做得好些。搭配:fromnowon意义:从现在起Thepolicehaventgotenoughevidenceupto/tillnow.到目前为止警察局还没有足够的证据。搭配:upto/tillnow意义:到目前为止1233.Grammar考点:Adverbial clause of r

8、eason原因状语从句:通常由because,since,as,inthat,nowthat,considering(that),seeing(that)等引导,一般放在句首或句尾。Hewentabroadbecausehisfatherhadfoundagooduniversityforhim.他出国了,因为他父亲给他找了一所好大学。Sheweakenedastheillnessgrewworse.由于病情恶化,她变得更虚弱了。Hisrequestisunreasonableinthatheknowswecantaffordit.他的要求是不合理的,因为他知道我们负担不起。Itsgoodto

9、takeofftheheavyclothingnowthatspringishere.春天到了,脱去笨重的衣服真让人高兴。123考点延伸1)because,as,since,nowthat,每个连词的含义不尽相同,观察例句并总结用法Whywereyouabsentfromthemeeting?你为什么没有来开会?BecauseIwasill.因为我生病了。Asitisraining,weshallnotgotothepark.由于下雨,我们不去公园了。123【高考典句】(2015湖南高考)NowthatChicagoswastewaterwasdrainingefficientlyintoth

10、eChicagoRiver,thecitysnextstepwastocleanthepollutedRiver.既然芝加哥城的污水已有效地排入芝加哥河里,下一步就是清洁被污染的河流。Sinceyouarebusy,wewonttroubleyouanymore.既然你那么忙,我们就不再麻烦你了。2)在强调句中强调原因状语从句时,只能用because引导,不可用as或since。Itwasbecausehewasillthathedidntgowithus.他没有跟我们一起去是因为他生病了。1233)because可以引导表语从句,而as,since不可以,但仅用于以下句型:This/That

11、/Itisbecause.Hefailedtheexam;thatsbecauseheistoolazy.他考试失败了,那是因为他太懒了。4)辨析:nowthat,because,as与sincenowthat,because,as,since都有“因为”的意思,但它们在用法上有区别:nowthat意为“既然”,常用在主句前,表示对方已知的无须加以说明的原因或事实,语气比because弱,但是比as强。because是从属连词,接表示直接原因的从句,一般放在主句的后面,也可放在主句前面,它表示的语气最强,在回答why的问句时,必须用because。123as是从属连词,说明一般的因果关系,语气比because弱,说明比较明显的