人教版高中英语 必修二 Unit3 《Computers ---Reading》.ppt

Unit3ComputersReading,keyboard,mouse,monitor,screen,speaker,hostcomputer,camera,Writeoutallthewordsyouknowaboutcomputers.,computer,monitor,click,software,search,update,download,Internet,keyboard,7.artificialintelligence人工智能8.solvevt.解决9.realityn.现实10.personaladj.个人的，私人的11.applicationn.应用12.financen.金融，财经13.explorevt.探索，探测,1.calculatev.计算2.calculatingmachine计算机器3.simplifyvt.简化4.operatorn.操作员5.logicallyadv.逻辑地6.technologicalrevolution技术革命,vocabulary,Consolidation,1.calculate2.calculatingmachine3.simplify4.operator5.logically6.Technologicalrevolution7.artificialintelligence8.solve9.reality10.personal11.application12.finance13.explore,v.计算计算机器vt.简化n.操作员adv.逻辑地技术革命人工智能vt.解决n.现实adj.个人的，私人的n.应用n.金融，财经vt.探索，探测,Reading:WhoamI?,(Fastreading)Task1,2.Whatsthemainideaofthispassage?A.Thedevelopmentofcomputers.B.Thedevelopmentanduseofcomputers.C.Amachinewhichissimple-minded.D.Computersmayreplacehumanbeings.,1WhoamI?,Acomputer.,Inthetimeorder,3.Inwhatorderisthepassageorganized?,Task2:Skimagaintofindthetopicsentenceforeachparagraph.,Paragraph1:,OvertimeIhavebeenchangedquitealot.,Paragraph2:,Thesechangesonlybecomepossibleasmymemoryimproved.,Paragraph3:,Sincethe1970smanynewapplicationshasbeenfoundforme.,Howcanwefindthetopsentencesquicklyandcorrectly?,Exploration,1.thefirstsentenceoftheparagraph.2.thelastsentenceoftheparagraph.3.thesecondsentenceorthesentenceaftersuchwordsashowever,but4.Notopicsentences.Weshouldconclude.,Carefulreading,Task1:Scanthetextandthenchoosethebestansweraccordingtothetext.,1.Howlongdidittakebeforethecomputerwasbuiltasananalyticalmachine?A.500years.B.300years.C.100years.D.200years.,2.WhydidItotallychangemyshape?A.BecauseIcoulddomanythings.B.BecauseIcouldsimplifysums.C.Becausemymemoryimproved.D.BecauseIneverforgotanything.,3.Accordingtothelastparagraph,whichwasnotmentionedintheuseofthecomputer?A.Mobilephones.B.Rockets.C.Bikes.D.Robots.4.Wecaninferthatthecomputerwill_.A.taketheplaceofhumanraceB.besmarterthanhumanbeingsC.beusedinmanyfieldsinourlifeD.bemadebyoneself,Calculatingmachine,Computer,Internet,Analyticalmachine,Artificialintelligence,Universalmachine,Thedevelopmentofcomputers:,Task2：Readthetextcarefullyandputthefollowingformsofacomputerincorrectorder.,Thedevelopmentofcomputers:,Calculatingmachine,Analyticalmachine,Universalmachine,Artificialintelligence,Computer,Internet,计算器,分析机,万能机,通用机器,人工智能,Retellthetextbyfillingthefollowingblanks.,Ibeganasa_in1642inFrance.In1822Iwasbuiltasan_.Thenin1936AlanTuringwroteabookandbuilta_.Astheyearshavegoneby,Ihavebeenmade_and_butIbecame_and_.,Task3:,Inthe_theygavemeafamilyconnectedbya_.Nowpeoplecallitthe_.Ihavebeenusedin_and_sincethe1970s.SoIbecamePC.Sincemy_Ihavetrulybeenbuilttoservethe_.,Ibeganasa_in1642inFrance.In1822Iwasbuiltasan_.Thenin1936AlanTuringwroteabookandbuilta_.Astheyearshavegoneby,Ihavebeenmade_and_butIbecame_and_.,calculatingmachine,analyticalmachine,machine,Answer:,universal,smaller,smaller,cleverer,quicker,Inthe_theygavemeafamilyconnectedbya_.Nowpeoplecallitthe_.Ihavebeenusedin_and_sincethe1970s.SoIbecamePC.Sincemy_Ihavetrulybeenbuilttoservethe_.,network,1960s,Internet,human,race,offices,homes,birth,Discussion/Debate,Withthedevelopmentofcomputertechnology,theInternethadbecomemoreandmorepopularamongstudents.However,justasasayinggoes,acoinhastwosides.TheInternetbringsbothadvantagesanddisadvantagestostudents.DiscusswithyourpartnerstolistsomeadvantagesanddisadvantagesoftheInternet.Advantages:_Disadvantages:_,advantages,1municatewithfriendsallovertheworld2.listentothemusic3.seefilms&watchnews4.playgames5.doshopping6.savealotoftime7.doalotofusefulthings8.,Disadvantages:,1.SomepeopleespeciallytheteenagersareaddictedtothecomputergamesandchattingontheInternet.Asaresult,theyhavelittletimetostudy.2.Sizensprivacyaresometimesleftdangerouslyexposed.4.,Writing:ashortspeechon“HowtousetheInternetproperly”,Accordingtoyourdiscussion,pleasevoiceyouropinions.Preparein5minutesandshow.,Summary:whathavewelearned?,1.somewordsaboutcomputers.2thedevelopmentofcomputers3thestrategiesoffindingtopicsentences4