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仁爱湘教版九年级上Unit+4+Amazing+Science+Topic+3+China+is+the+third+nation+that+sent+a+person+into+space+SecVIP免费

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Unit4AmazingScienceTopic3Chinaisthethirdnationthatsentapersonintospace.SectionCWhatarethecomputersusedfor?1a1.Tickthefieldsweusethecomputerin.•educationbusiness•industrycommunication•dailylifemedicalcare•entertainmentsportsDoctorscanfinddiseaseseasilywiththehelpofcomputers.Canyougiveanexampleoftheuseofthecomputerinoneofthefieldsabove?•Inspace,computershavebeenusedtocontrolthespeedanddirectionofaspaceship.Whatisthepassageabout?TheImportanceofComputersUnderlinethetopicsentenceofeachparagraph.1.SincecomputerswereinventedintheUSAinthe1950s,theyhavebecomeveryimportantinmanyareasofworkandleisure.2.SincetheInternetcameintobeing,people’slivesathomehavebeenchanged,too.3.Computershaveimprovedourlives,buttheyhavebroughtproblems,too.PlaceTheusageofcomputersInspaceInhospitalsInfactoriesInbusinesscontrolthespeedanddirectionfinddiseaseseasilyandsolveotherproblemsdodangerousworkusedtoplaceandcancelordersThereisnodoubtthatwewillbesuccessful.Idon'tdoubtthattheywillbeabletosolvetheproblems.doubtn.&v.怀疑,疑惑(2)doubt(vt.)+从句(3)doubt(vi.)+about/ofDoubtisthekeytoknowledge.Thereisnoreasontodoubtofhishonesty.Idoubtwhether/ifhe'llchangehismind.(1)doubt(n.)1.Thereisnodoubtthatcomputersareveryusefulintechnologyandbusiness.毫无疑问电脑在技术和贸易业都非常有用。2.Forexample,tinycomputerswhichareinsidepatients’bodiescankeeptheirheartsbeatingnormally.例如,病人体内植入微电脑能帮助病人的心脏正常搏动。64英寸超大型(Huge)32英寸大型(Large)16英寸中型(Medium)8英寸小型(Small)4英寸超小型(Tiny)tinyverysmallinsizeadj.极小的,微小的atinygirlprep.在……内adv.在里面Languagepoints3.Thewholeworldisconnected.网络连接了全世界。connectv.连接connectionn.关系,联系1.connectAwithB使A与B连接2.connectsth.(tosth.)使电、气、水等接通3.connectsb./sth.(withsb./sth.)与……有联系,把……联系起来•comeintobeing•moreandmore•watchmovies•thanksto•dobusiness•insteadof•chatonline•maketheworldsmaller•做买卖•形成,产生•越来越多•看电影•代替•网上聊天•使世界更小•多亏,由于1.Forinstance,ifweworkoncomputerstoolong,wemaygetheadachesorsoreeyes.比如:如果我们使用的电脑工作的时间太长,我们就会头昏眼花。•forinstance=forexample用来举例说明某一论点或情况,一般只举同类人或物中的“一个”为例。•suchas用来列举事物时,一般列举同类人或事物中的几个例子。E.g.(1)Manycountries,Japan,forinstance(forexample),hasalotofearthquakes.(2)Ilikefruits,suchasapples,pearsandbananas.(1)besides与except用于肯定句时,except意为“除……之外(不再有)”;besides意为“除……之外(还有)”。如:Ihaveanotherbluepenbesidesthisone.除了这支外,我还有另一支蓝色钢笔。(1+1,共2支)WeallpassedtheexamexceptTom.我们都通过了考试,汤姆除外。(整体中……汤姆一人不及格)(2)except前几乎总有all、any、every、no及其复合词等词。如:Heansweredallthequestionsexceptthelastone.除了最后一个问题没答外,其余问题他都答了。(3)except后接名词、代词、动名词和动词原形,这时except=but;但except后跟副词、介词短语时,不能用but代替。如:Thewindowisneveropenexceptinsummer.这扇窗户从来不开,除夏季外。Hedidnothingexcept/butcleanthehouse.他只是打扫了房子。2.Besides,noteverythingwereadontheInternetistrueorgoodforus.另外,我们在网上看到的东西并不都是真实的、有益的。1aReadandunderstand.1b2.Completethefollowingdiagram.computersusageproblemworkdailylife1.____________________________ofaspaceship.2.helpdoctors_____________________________.3._______________________________infactories....

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仁爱湘教版九年级上Unit+4+Amazing+Science+Topic+3+China+is+the+third+nation+that+sent+a+person+into+space+Sec

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