人教版高二英语必修2第三单元Learning about language PPT课件.ppt

Learningaboutlanguage,Computers,Unit3,Step1:Discussionandlead-in,Q1:Howdoyouoftenusecomputerwhenyougohome?,IsometimesuseittoandIneveruseitto,Playgames,communicatewithothers,surfInternet,Listentomusic,watchmovies,BuythethingsIlike,eg:booksandCDs,readnews,LearnEnglish,Download,Ioftenuseacomputerto,relatedinformationfromInternet.,(下载),Step2:Reviewandlanguagepoints,Manynewofcomputerhavebeenfound,Q1:HowdoyouusecomputersandtheInternet?,application,appearance,IT,revolution,ABCD,(informationtechnology),(外貌),(革命),(信息技术),(应用),_,S,Q2:Doyouknowotherapplicationsofcomputer?,Computerhasbecomeimportantincommunication,tradeand,Ithasbeenputinto,Ithasbeenused,Ithasevenbeenputintospacerocketsandsentto,(金融,财经),(逻辑地),(=mankind,人类),robot,(机器人),andlooklike,theactivityofmanagingmoney.,finance,themachinewhichcanthinklogically,humanrace,notonlytomakephoneswhichcanbemoved,easilyfromplacetoplace,butalso,tomakemobilephones,aswellas,helpwithmedicaloperations,(移动电话,手机),(以及,不但而且),tofindthem.,theMoonandMars,(探索),Pleasefindwordsandphrasessimilartotheunderlinedpartfrom,(para3),Completechangeinwaysofthinking,workingect.,IoftenuseacomputertoIsometimesuseittoandIneveruseitto,travelaround,itsaimistoprovidehumanswithalifeofhigh,explore,Anyhow,Anyway,(无论如何),Step2:Reviewandlanguagepoints,finance:activityofmanagingmoney(金融),robot:amachinethatcanthinklogicallyandlookslikeamankind,mobile:canbemovedeasilyfromaplacetoplace(可移动的),explore:travelaroundanareatofindoutaboutit(探索),aswellas:notonly.butalso,(以及,不但而且),他不但能讲英语而且还能讲日语,HecanspeakEnglishaswellasJapanese.,他以及他的父母都喜欢看电影,HeaswellashisparentswatchingMovie,like,likes,AB,_,总结?,Anyway:anyhow,(无论如何),Step2:Reviewandlanguagepoints,Manynewapplicationsofcomputerhavebeenfound,sincethe1970s,(自从,20世纪70年代),Thecomputerhadgrownaslargeasaroombythe1940s,Thefirstfamilyofcomputerswasconnectedtoeachotherbynetwork,到20世纪40年代,电脑已经长的像屋子那么大了,直到20世纪60年代早期,家庭电脑才通过网络相互连接起来,untiltheearly1960s,1970年),Connectedcomputersystem,(网络),1,WecanourknowledgewithothersthroughWorldWideWeb,share,explore,download,compete,ABCD,_,share.with.:与.分享,在学校里我和其他七位同学合住一个寝室,Ishareadormitorywithothersevenclassmatesinschool,Q3:whenhavethenewapplicationsbeenfound?,Step2:Reviewandlanguagepoints,Manynewapplicationsofcomputersincethe1970s,Thecomputerhadgrownaslargeasaroombythe1940s,Thefirstfamily.bynetworkuntiltheearly1960s,1940s,1960s,1970s,now,Thecomputerquitealot,AB,hasbeenchanged,haschanged,_,Q4:Howhascomputerbeenchangedovertime?,overtime,havebeenfound,Whatdotheyhaveincommon?,Homework(1):,Trytofindoutthesentenceswiththesametenseandvoicefromthereadingpassage,calculatingmachine,analyticalmachine,universialmachine,(calculator),(hugecomputer),PC(personalcomputer),laptop,robot,ABCD,nothing,little,something,alot,They_,haveincommon,Step2:Reviewandlanguagepoints,Mystory,OvertimeIhavebeenchangedquitealot,_Icouldsimplifydifficultsums.Ittooknearly200years_IwasbuiltbyCharlesBabbge.ThenIcouldthinklogically._itwasconsideratechnologicalrevolutionandthestartofmy“artificialintelligence”.whenIbecameuniversalmachine,Icouldsolveanydifficultmathematicalproblem_Igrewrapidlybothinsizeandinbrainpower._IwasmadesmallerbutmymemoryimprovedFirstitwasstoredintubesthenontransistorsand_onverysmallchips._Itotallychangedmyshapeand_Igrewsmaller,however,mymemorydevelopedSomuchthatIneverforgetanythingIhavebeentold,whenIwasyoung,before,Atthattime,Fromthenon,Astimewentby,Asaresult,later,AsIgrewolder,Q5:Canyoudescribethedevelopmentofthecomputer?,Atthattime,Overtime,WhenIwasyoung,before,Fromthenon,Astimewentby,later,Asaresult,AsIgrewolder,_,simplify,_,_,_,_,_,_,_,_,logically,technologicalrevolution,artificialintelligence,solve,mathematical,tubes,sothat,_,totally,_,sums,Fromthenon,Igrewrapidlybothinsizeandinbrainpower.,Astimewentby,Iwasmadesmaller.,Asaresult,Itotallychangedmyshape.,Hegotuplate.Asaresult,hewaslatefortheclass.,Theriverwaterwasseriouslypolluted._,manyfishdied.A.AsaresultB.AfterallC.ThankstoD.Ifonly,A,从那时起,他就对UFO非常感兴趣。,Fromthenon,hewasinterestedinUFOs.,Step2:Reviewandlanguagepoints,from.on:从.时起,fromthenon:,fromnowon,从那时起,从现在起,goby:pass,逝去,过去,随着时间的流逝，.,_hiscarelessness,hedidntpasstheexamARegardlessofBAsaresultofCBecauseDSince,No.“OvertimemymemoryhasdevelopedsomuchthatIneverforgetanythingIhavebeentold.“,Heis_goodastudent_wealllikehim.A.such;thatB.so;whoC.such;asD.so;that,so+adj/adv+that,Heis_agoodstudent_wealllikehim.A.such;thatB.so;whoC.such;asD.so;that,sothat,suchthat,Step1:reviewandlanguagepoints,Hegotupearlythismorning_hecouldcatchthefirstbusAsoastoBsohatCinordertoDsoas,such+n(名词)+that,sothat+句子,如此.以致于,为了.,sothat,1._2._3._4._5._6._7._8._9._10._,completechangeinwaysofthinking,working,etc.connectedcomputersystemtomakethingseasiertofindtheanswerusingnumberscanbemovedeasilyfromplacetoplacetoworkouttheanswertoaproblemtotravelaroundanareatofindoutaboutitcompletelyanywayactivityofmanagingmoney,finance,anyhow,totally,explore,solve,mobile,calculate,simplify,revolution,network,Step3:Discoveringusefulwordsandexpressions,2Completethepassagewiththewordsbelow,Mybrotherwasveryinterestedincomputersandenjoyedwritingprogramsofhisown.HeusedtodownloadinformationfromtheInternetandmadegooduseofit.Helikedto_theWorldWide_andusedtheInternettocommunicatewithcomputerprogrammersallovertheworld.WhenhewenttouniversityhestudiedIT(information_)anddevelopedaspecialinterestin_intelligence.Afterdevelopingspecial_ofthecomputer,hehopestodesignan_robotwhichcanthink_andlooklikeahumanbeing,butin_hehasalongwaytogo.,explore,Web,technology,artificial,applications,intelligent,logically,reality,Step3:Discoveringusefulwordsandexpressions,Step1:reviewandlanguagepoints,Q4:Howhascomputerbeenchangeovertime?,“I”can,“I”wasbuiltbyCharlesBaggage.,calculatingmachine,“I”canbetakenconveniently(方便的)likeanotebook.,“I”canthinklogicallyandlooklikeahumanbeing,“I”canusenumberstofindanswerandcan,“I”amapersonalmachineandamusedwidelynow.,analyticalmachine,universalmachine.,robot,laptop,PC(personalcomputer),(para1),(calculator),(hugecomputer),Matchexercise,C,A,U,P,L,R,workouttheanswerto,makedifficulteasier,anydifficultmathematicalproblem,(解决),solve,simplify,(简化),sums,Step2:Reviewandlanguagepoints,Manynewapplicationsofcomputer,sincethe1970s,havebeenfound,_,ABCD,havefound,werefound,hadbeenfound,(自从,20世纪70年代),Thecomputerhadgrownaslargeasaroombythe1940s,Thefirstfamilyofcomputerswasconnectedtoeachotherbynetwork,havebeenfound,到20世纪40年代,电脑已经长的像屋子那么大了,直到20世纪60年代早期,家庭电脑才通过网络相互连接起来,untiltheearly1960s,1970年),Connectedcomputersystem,(网络),1,时态?语态?,WecanourknowledgewithothersthroughWorldWideWeb,share,explore,download,compete,ABCD,_,share.with.:与.分享,在学校里我和其他七位同学合住一个寝室,Ishareadormitorywithothersevenclassmatesinschool,Homework(1):,Q3:whenhavethenewapplicationsbeenfound?,Step2:Reviewandlanguagepoints,Manynewapplicationsofcomputersincethe1970s,Thecomputerhadgrownaslargeasaroombythe1940s,Thefirstfamily.bynetworkuntiltheearly1960s,1940s,1960s,1970s,now,Thecomputerquitealot,AB,hasbeenchanged,haschanged,_,Q4:Howhas