高中英语 Unit 3 Lesson1课件 北师大版必修1.ppt

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Unit4Cyberspace,Lesson1TomorrowsWorld,Lookatsomepictures,comparethemandtellusthedifferencesbetweenthem.,smart,convenient,multi-functional,sendSMS,call,alarmclock,games,takephotos,mp3,goonline,typicalcellphone,Onlyforcalls,Haveyoueverseensuchacamera?,Digitalcamera,gramophone,mp3,walkman,mp4,Canyouimaginewhatacomputerlookedlikeinthe1980s?,Butinthe21stcentury,1.Imaginewhathappensinlifeinthenextfewyears.,2.HowdoyouthinktheNetwillchangeourlives?,Lookatthetitleofthearticle.Whichofthesetopicsdoyouthinkitwillmention?,*theInternet*artificialhuman*timetravel*robots*globalwarming*virtualreality,Readthearticlequicklyandcheckyourguesstothequestionabove.,theInternet,virtualreality,Withthedevelopmentofcomputers,ourlifemaychangeinshoppingandcommunicatingways.Thetextinferstousthatworryisnotnecessary,computersandtheInternetonlydogoodtous.Someexpertssayinthefuturewewillnotgotoschoolintheclassroomlikeus.,TrueorFalse,T,F,T,4.Inthefutureitispossiblethatpeopleliveinanotherworldofouterspace.5.Thetexttellusyoucandomanythingsbutneedntgototheplaceyourself.6.BecauseoftherapiddevelopmentofInternettelevisionandthemailwillbereplacedbycomputer.,F,T,T,Learningvocabulary,Matchthevocabularyfromthetextbelowwiththedefinitions.,hacker,chaos,terrorist,theNet(Internet),virtualreality,crash,Apersonwhoentersotherpeoplescomputerprogrammesinsecret,hacker,Theuseofcomputerstomakesituationsfeelandlookreal,virtualreality,Haveanaccidentbyviolentlyhittingsomething,crash,Someonewhodoesterriblethingstoharmcountries,governments,andpeople.,terrorist,Computersystemthatallowsmillionsofpeoplearoundtheworldtoshareinformation,theNet,Aterriblesituationinwhicheverythinggoeswrong.,chaos,Inthelastthirtyyears,theInternetgrewrapidly.2.Terroristmay“attack”theworldscomputers,causechaos,makeplanesandtrainscrash.3.Itisconvenienttoorderticketsfromtheinternet.,hasgrown,and,book,Correcterror,4.In1983,therewereonly200computersconnecttotheInternet.5.Itisclearwecanuseinternettodoallkindsofthingsathome.6.Personally,Imoptimisticaboutthefutureofinternet.,connected,that,the,7.Associetydevelops,computerswillmakeourlifemuchconvenient.8.Themailservicemayalsodisappearastheincreasinguseofe-mail.,more,with,1.WhatpossiblechangesdosomeexpertsbelievetheInternetcanbringtoourlives?,Wecanfeelconvenient,andwecandoallkindsofthingsontheInternetathome,suchasbuyingbooks,readingnews,bookingticketsandsoon.,Sometraditionalthingswilldisappear.Wemayliveandworkinavirtualworld.,2.Whyaresomeexpertspessimisticaboutthefuture?Listthreethings.,Hackerscangetintothecomputersofbanksandgovernmentssothatchangedataorstealawayimportantinformation.,Terroristswillattacktheworldscomputers,causechaos,makeplanesandtrainscrash.,pessimistic,hackers,Cyberterrorists,now,inthefuture,cybercriminal,optimistic,inthefuture,getentertainment,TV&mailservicewilldisappear,already,inthenextfewyears,shopontheInternet,getinformation,buybooks,findoutholidayoffers,booktickets,Voiceyouropinion,DoyoufeelpessimisticoroptimisticaboutthefutureoftheInternet?Why?,1.Finishexercise4,5and6onPage55.2.优化设计Page2-6.3.Grammar1onPage92.,Homework,
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