人教版高中英语必修2unit3课文知识点详解.ppt

Unit3Computers基础落实.高频单词思忆1.Thedevelopmentofthesteamenginewasagreat(科技的)advance.2.Ihavent(计算)theresultofthemathsproblem.3.Life(完全地)changedwhenIwenttocollege.4.Peoplewillbuildalarge(人造的)lakeinthenewpark.,technological,calculated,totally/completely,artificial,5.Beforegoingtoschool,allthechildrenaregivenan(智力)test.6.Difficultieswillaaswedothework.7.P,IprefertogotoBeijingformyholiday.8.Doyouknowthatfootballcwhoisstandingthere?9.“OneWorld,OneDream”fullyreflectstheessence(实质)andtheuvaluesoftheOlympicspirit.10.Theinventionofthetelevisioncausedarinourdailylife.,intelligence,rise,ersonally,oach,niversal,evolution,.重点短语再现1.从时起2.结果3.如此以致于4.在某种程度上5.在的帮助下6.处理；安排；对付7.看守；监视8.共有；共用9.弥补10.毕竟,from.on,asaresult,so.that,inaway,withthehelpof,dealwith,watchover,incommon,makeup,afterall,.典型句式运用1.IdevelopedveryslowlyandittooknearlytwohundredyearsbeforeIwasbuiltasananalyticalmachinebyCharlesBabbage.我发育缓慢，差不多到了两百年之后，查尔斯巴比奇才把我制成了一台分析机。（1）“Ittook/was+一段时间+before从句”是一个固定句型,意为“”。（2）before用于这类句型时的结构还有：Itdidnttake/waslong(或一段时间)before.过了不久（一段时间）就,考点提炼,过了后才,Itwilltake/belong(或一段时间)before.要过很久（一段时间）才Itwonttake/belong(或一段时间)before.不久（一段时间后）就会2.Astimewentby,Iwasmadesmaller.随着时间的推移，我被制造得越来越小。句中的as是连词，引导从句，意为“”或“”。表示“随着”时，也可以用with,但with后只接名词短语。,考点提炼,时间状语,一边一边,随着,3.AndmymemorybecamesolargethatevenIcouldntbelieveit!我的记忆能力变得如此巨大，甚至连我自己都不能相信！so+adj./adv.+that.意为“”，引导结果状语从句。sothat引导从句，相当于inorderthat,该从句中常用情态动词may,might,can,could,will,would和should。,考点提炼,如此以致,目的状语,4.Afterall,withthehelpofmyelectronicbrainwhichneverforgetsanything,usingmyintelligenceiswhatImallabout!不管怎么样，在我过目不忘的电子脑的帮助下，运用智能就是我的一切。withthehelpofmyelectronicbrainwhichneverforgetsanything是状语，说明主谓部分的伴随状况。在这个with短语中，包含一个定语从句,修饰myelectronicbrain。withthehelpof意为“”。,考点提炼,whichneverforgets,anything,在的帮助下,5.Whatsmore,youcanusetheInternettolearnEnglish.而且，你还能利用因特网学英语。Whatismore意为“”，常作语，相当于besides或furthermore。,考点提炼,更重要的是；而,且,插入,导练互动重点单词1.calculateIbeganasamachineinFrancein1642.(回归课本P18)观察思考Maryalwayscalculatesthecostofgoodsbeforeshebuysthem.玛丽总是在买东西之前先估算好价钱。,calculating,Mr.LicalculatedthatitwouldtakehimthreehourstogettoShenzhen.李先生估计他要花三个小时才能到达深圳。WhatIsaidyesterdaywasnotcalculatedtohurtyou.昨天我说的话不是有意伤害你的。归纳总结calculate。calculateon/upon指望；打算Itiscalculatedthat.据估算becalculatedtodo打算做；故意做becalculatedfor适合于,v.计算；打算；推测,即学即用（1）这些广告旨在吸引年轻的单身消费者。Theadvertisementsattractyoungsingleconsumers.（2）据估算，去年至少丧失了47000个工作。atleast47,000jobswerelostlastyear.,arecalculatedto,Ithasbeencalculatedthat,2.anyhow,mygoalistoprovidehumanswithalifeofhighquality.(回归课本P18)观察思考IamnotfeelingquitewellbutIwillattendthemeetingtomorrowanyhow.我觉得不太舒服，但明天的会我无论如何会参加。Hisbookswerearrangedanyhowonthefloor.他的书乱七八糟摊了一地。,Anyhow,归纳总结anyhow。(1)“无论如何，不管怎样，反正；尽管如此”，在作此意解时，anyway和anyhow一样，都用作让步状语，一般位于句中（其前常有连词but）或句末。（2）“况且，更何况；再说；至少”，作此意解时，anyway和anyhow一样，都用作句子状语，用来对前边的话作补充，给出一个更加令人信服的理由。这时anyhow常出现在句首或最后的分句之首（位于分句之首时其前常有连词and），而不可出现在句末。（3）“粗心地；随意地”，在作此意解时，只能用anyhow。,adv.无论如何；不管怎么说；胡乱地,即学即用（1）Excuseme,couldyoutellmethewaytotheBritishMuseum?Sorry,Imastrangerhere.A.ThanksanywayB.ItdoesntmatterC.NevermindD.Noproblem解析A.不管怎样，还是要谢谢你。B.没关系。C.不要紧；不用担心。D.没问题。句意为：打扰了，你能告诉我去大英博物馆的路吗？抱歉，我在这儿是个陌生人。不管怎样，还是要谢谢你。,A,（2）Imightfail,butIinsistondoingit,Idontmind.A.howeverB.anyhowC.yetD.meanwhile,B,3.ariseThenshepreparesreliablemovestouseifanewsituation.(回归课本P23)观察思考Anewdifficultyhasarisen.一项新的困难出现了。Iaroseearlyinthemorning.我早上起得很早。,arises,归纳总结arise。(1)作“呈现；出现；发生”之意时，主语多为以下抽象名词：argument/problem/quarrel/question/movement。（2）arisefrom由而引起，由而产生；从中产生。,vi.出现，发生；上升,易混辨异arise,arouse,rise,raise,即学即用(1)我本来想事情会很容易，但是出现了许多问题。Ithoughtitwouldbeeasy,butalotofproblems.(2)事故由粗心大意引起。Accidentscarelessness.,havearisen,arisefrom,4.signalForexample,IhavelearnedtotomyteammatesincomputerlanguagetogivemetheballwhenIamopenandhaveagoodshotforagoal.(回归课本P23)观察思考DontfireuntilIsignal.等我发出信号后再开枪。Hesignalledtothewaiterforthebill.他示意服务员结账。Aredlightisasignalofdanger.红灯是危险的信号标志。,signal,归纳总结signal。易混辨异signal,sign,mark,symbol(1)signal常指约定俗成、用于传达某些信息的信号，也指灯光、声音或信号标志。（2）sign用法最广，可以指符号，也可以指情绪、性格的直观显示，还可以指具体的用于识别或指示的标志，如指示牌、卡片等，借喻作“征兆；迹象”讲。Therefereegavethesigntostartthegame.裁判员给出开始比赛的信息。,vi.wearenewtothework.,asaresult,Withthehelpof,incommon,inaway,goingby,afterall,.完成句子1.(随时可能出现事故),whichrequiresthepolicetobeondutyallthedaytime.2.She(沿着公路徘徊),notknowingwhattodoandwheretogo.3.Youhaveto(作出选择)whethertoacceptthejobornot.4.(从某种程度上看),ourprogrammerislikeourcoach.5.Andmymemory(变得如此之大)evenIcouldntbelieveit.,Accidentsariseatanytime,waswonderingupanddowntheroad,makeachoice,Inaway,becamesolargethat,.单项填空1.Mybrotherisstrong,braveand,honest.A.aboveallB.atallC.inallD.afterall解析aboveall最重要的是。句意为：我哥哥坚强、勇敢，最重要的是诚实。,A,2.Workinghardcanalackofintelligence.A.makefromB.takeupC.makeupforD.makeout解析makeupfor弥补。句意为：努力工作能弥补才智上的不足。,C,3.Johnthephotographwhichhehadtaken.A.washedB.wateredC.developedD.created解析develop冲洗（相片、胶卷）。,C,4.Anyonebreaksthelawwillbepunished.A.whichB.whoC.whenD.he解析who引导定语从句修饰Anyone。,B,5.thethoughtofherlostmoney,shewouldburstintotears.A.InB.ForC.ToD.At解析atthethoughtof.一想起。,D,6.Theshirtyourbluetrousers.A.matchesB.fitsC.suitsD.hits解析match指颜色上的搭配；suit指衣服、鞋子等在花色、款式美观上的“适合”，其宾语多为somebody;fit指尺寸、大小适合。,A,7.Luckily,Ibuytheticketyesterday.A.wasabletoB.couldC.amabletoD.couldbeableto解析beableto用于过去时，表示“经过努力做成某事”。,A,8.ItisthatTomwillwinfirstplaceinthenextgame.A.certainB.sureC.certainlyD.surely解析certain常用在“Itiscertainthat.”句型中；而sure常用在“Sb.besure(that.)”句型中。,A,9.TheteachersaidhedidntlikethewayIreadbooks.A.whichB.inwhichC.onwhichD.bywhich解析theway作先行词时，其后面的关系词有三种形式：that,inwhich或省略关系词。,B,10.wewatchedanexcitingmoviebyJakieChen.A.SomedayB.TheotherdayC.AdayD.Otherday解析theotherday几天前。,B,11.smallstepbyZhaiZhigang,Chinasfirstspacewalker,hasbeenhistoricleapinChinasspacedreams.A.The;aB.A;theC.The;/D.A;/解析考查冠词。第一个空特指宇航员翟志刚迈出的“一小步”，第二个空是泛指概念，说明这一小步在中国太空梦想上是一个历史性的飞跃。,A,12.Heisonhiswaytoadoctorafterhavingfinishedhis4yearsstudyintheuniversity.A.becomeB.becomingC.becameD.havingbecome解析ononeswaytosth./doingsth.即将成为（做），其中to是介词，后接动词的-ing形式。,B,13.Thenewstory