高中英语 Uint3 Inventors and Inventions Language points课件 新人教版选修8.ppt

Unit3Inventorsandinventions,languagepoints,(Page23)EX2.Replacetheunderlinedpartswithwordsthathavethesamemeaning.Rewritethesentencewhennecessary.,1.Thegreengroceratthecornerisprobablytheeasiestandnearesttoreach.2.Ifyouwanttoapplyforacreditcard,youmustprovideofficiallyacceptableidentification.,mostconvenient,valid,3.Youneedtoapproachthatanimalwithgreatcareasitmaybite.4.Sheacceptseverythingduringmeetingsanddoesnotcontributetodiscussionsatall.5.Ifoundhisphonenumberinthedirectoryandtriedtotelephonehimlastnight,buttherewasnoreply.LaterIfoundIdialedthewrongnumber.,caution,ispassive,call/ringhimup,6.Idontthinkofmyhometownverymuch,onlysometimes.7.LuckilytherainfallstoppedsuddenlybeforeIleft.8.Inacourtroomitissometimesdifficulttorecognizewhoisinnocentandwhoisguilty.,nowandthen,abruptly,distinguish,1.Herewasachanceformetodistinguishmyselfbyinventingsomethingmercifulthatwouldcatchsnakesbutnotharmthem.(Para1,Line5),现在有通过发明某种仁慈的既能捉住蛇又不伤害蛇的东西的机会表现我自己了。,somethingmerciful仁慈的东西somethingstrange奇怪的东西somethingtoeat吃的东西that引导定从，先行词是something,2.ThefirstthingIdidwastoseeiftherewereanyproductsthatmighthelpme,butthereonlyseemedtobepowdersdesignedtokillsnakes.(Para2,Line1)我先看看是否有能帮助我的产品，但好象只有一些用来杀死蛇的药粉。therebe常见的形式有：thereseemstobe.therehappenstobe.thereusedtobe./thereseems(tobe)Idid是定从,先行词是thefirstthingdesigned过去分词作后置定语if引导see的宾语从句“是否”,Thereisabucketofwaterandtwochairsinthecornerofthehouse.1)在房子的角落里有一桶水和两把椅子。Therearetwochairsandabucketofwaterinthecornerofthehouse.2)在房子的角落里有两把椅子和一桶水。3)Thechildseems_healthy,butthedoctorisconcerned.4)Itseemstome_theressomethingfunnyaboutthecase.5)Theredoesntseem_muchhopethathellcome.,tobe,that,tobe,seem的归纳总结：sth.sb.seem(tobe)+adj.n.好像Itseemsthat.似乎，好像Itseemstosb.that.在某人看来好像Itseemsasifasthough.看起来好像(后可接虚拟语气，也可接表真实的表从)Thereseems(tobe)好象Itseemsasifitweregoingtorain.(天气好得很，不会下雨。)Itseemsasifitisgoingtorain.(真的快要下雨了。),3.Betweentheoutsideandtheinsidewallsofthebowlthereissomejelly,whichfreezeswhencooled.(Para3,Line4)在碗的内壁和外壁都抹上果冻，这些果冻冷却后会冻结。whencooled的构成：连词+过去分词，相当于when引导的状语从句whenitiscooled。,1)Preparedwithsomeresearchfindings,Idecidedonthreepossibleapproaches:.(Para3,Line1)经过一番研究准备之后，我决定采用三种可能的方法(AfterIwaspreparedwith.)2)Butoncepickedup,theytriedtobiteme.(Para5,Line4)但是一旦他们被捡起,他们就要咬我。(Butoncetheywerepickedup,.),3)Butmonitoredcarefully,thesnakesprovedtobenotroubleandallwentaccordingtoplan.(Para6,Line3)但是如果这些蛇被仔细监视，就会证明他们不会惹麻烦，并且一切按计划进行。Butifthesnakesweremonitoredcarefully,.,4)Pressedbymyfriendsandrelations,Idecidedtoseizetheopportunitytogetrecognitionformysuccessfulideabysendingmyinventiontothepatentoffice.(Para7,Line1)由于我的朋友和亲戚对我的敦促，我决定抓住这个机会，通过发送我的发明专利办公室为我的成功的想法得到认可。(AsIwaspressedby.),when/while/once/unless/if等连词所引导的状语从句中的主语与主句主语相一致，且从句中含有系动词be时，从句中的主语和系动词be可省略，形成“连词+分词”结构。1.Whenofferedhelp,youshouldsay“thankyou”or“itsverykindofyou”.=Whenyouareofferedhelp,youshouldsay.2.Youmustbecarefulwhencrossingthestreet.=Youmustbecarefulwhenyouarecrossingthestreet.,3.Seenfromthehill,thecityisbeautiful.=IfWhenthecityisseenfromthehill,thecityisbeautiful.4.Seeingfromthehill,youcanseethatthewholecityisbeautiful.=IfWhenyouareseeingfromthehill,youcanseethatthewholecityisbeautiful.,Once_(publish),thisnovelwillbeverypopular!_(tell)manytimes,hestillcouldntunderstand.Thegirlsaretalkingexcitedly,_(follow)theirteacher.,Havingbeentold,published,following,_withthesizeofthewholeearth,thebiggestoceandoesnotseembigatall.CompareB.WhencomparingC.ComparingD.Whencompared_moretime,wearesuretofinishit.A.GivenB.GivingC.BegivenD.Ifgiving,D,A,4.Thiswasintheexpectationthatthesnakeswouldbiteagain.(Para6,Line2)这是在预料中：蛇会再咬人。that从句是一个同位语从句，作expectation的同位语。1)Newscamefromtheschooloffice_WangLinhadbeenadmittedtoBeijingUniversity.A.whichB.whatC.thatD.where,C,5.(Para7,Line2)Onlyafteryouhavehadthatrecognitioncanyousaythatyouaretrulyaninventor.只有你得到这种承认，你才可以说是一个真正的发明家。Only修饰状语，位于句首，主句的语序需要倒装。还原：Youcansaythatyouaretrulyaninventoronlyafter.1)Onlybyworkinghardcanwepasstheexams.-Wecanpasstheexamsonlyby.,2)某些否定词never,seldom,hardly,neither,nor,not,only,little等位于句首，表强调也用倒装。Norwillyoureceiveapatentuntilasearchhasbeenmadetofindoutthatyourproductreallyisdifferentfromeveryoneelses.(Para8,Line1)NeverhaveIseensuchanexcitingfilm.我从未看过如此令人激动的影片。LittledidIknowwhatwasabouttohappen.我几乎不知道要发生什么事。,6.Thecriteriaaresostrictthatitisdifficulttogetnewideasacceptedunlesstheyaretrulynovel.(Para8,Line4)专利标准非常严格，除非新的想法真的是新颖的，否则很难被接受。noveladj.“新的;新颖的;新奇的”n.novelty,so.that“如此.以致.”，that引导结果状语从句1)Shespokesofastthatfewofuscouldfollowher.她讲话太快，我们很少有人能听得懂。2)Owenwouldnteatanything_hecookedithimself.(四川高考)A.untilB.sinceC.unlessD.while,C,Homework1.FinishtheexercisesonP24aboutDiscoveringusefulstructures.2.PreviewtheGrammar.,现在的科技日新月异，各种发明以及高科技产品成为了我们生活中不可缺少的东西，如电脑、笔记本电脑（laptop）、手机(mobilephone)、mp4、数码相机(digitalcamera)、数码摄影机(DV)等。请以“Myfavoriteinvention”为题，描述你最喜欢的一种发明并说明理由（理由至少有两个方面）。词数在80词左右。范文背诵MyfavoriteinventionHowtimeflies!Wereinthe21stcentury.Withthedevelopmentofscienceandtechnology,ourlifehasimprovedalot.Manynewinventionsmakeourdailylifeeasierandmoreconvenient.Computers,laptops,mobilephones,mp4andotherinterestingthingshavebecomenecessarypartsofourlife.Amongallthesethings,Ilikemobilephonesbest.,Themostimportantadvantageofmobilephonesisthattheycanhelpyoucommunicatewithyourfriendsandfamilywhereveryougo.Becausethemobilephoneissmall,youcaneasilytakeitwithyou.Whenyouaretravelling,youcantakesomepictures.Whenyouaretiredandwanttorelaxyourself,youcanenjoymusicor