高中英语 Unit 3 Lesson1课件 北师大版必修1 课件VIP专享VIP免费

Unit4CyberspaceUnit4CyberspaceLookatsomepictures,comparethemandtellusthedifferencesbetweenthem.smartconvenientmulti-functionalsendSMS,call,alarmclock,games,takephotos,mp3,goonline…typicalcellphoneOnlyforcallsHaveyoueverseensuchacamera?Digitalcameragramophonemp3walkmanmp4Canyouimaginewhatacomputerlookedlikeinthe1980s?Butinthe21stcentury,…1.Imaginewhathappensinlifeinthenextfewyears.2.HowdoyouthinktheNetwillchangeourlives?Lookatthetitleofthearticle.Whichofthesetopicsdoyouthinkitwillmention?*theInternet*artificialhuman*timetravel*robots*globalwarming*virtualrealityReadthearticlequicklyandcheckyourguesstothequestionabove.theInternet,virtualreality1.Withthedevelopmentofcomputers,ourlifemaychangeinshoppingandcommunicatingways.2.Thetextinferstousthatworryisnotnecessary,computersandtheInternetonlydogoodtous.3.Someexpertssayinthefuturewewillnotgotoschoolintheclassroomlikeus.TrueorFalseTrueorFalseTFT4.Inthefutureitispossiblethatpeopleliveinanotherworldofouterspace.5.Thetexttellusyoucandomanythingsbutneedn’tgototheplaceyourself.6.BecauseoftherapiddevelopmentofInternettelevisionandthemailwillbereplacedbycomputer.FTTLearningvocabularyLearningvocabularyMatchthevocabularyfromthetextbelowwiththedefinitions.hacker,chaos,terrorist,theNet(Internet),virtualreality,crashApersonwhoentersotherpeople’scomputerprogrammesinsecrethackerTheuseofcomputerstomakesituationsfeelandlookrealvirtualrealityHaveanaccidentbyviolentlyhittingsomethingcrashSomeonewhodoesterriblethingstoharmcountries,governments,andpeople.terroristComputersystemthatallowsmillionsofpeoplearoundtheworldtoshareinformationtheNetAterriblesituationinwhicheverythinggoeswrong.chaos1.Inthelastthirtyyears,theInternetgrewrapidly.2.Terroristmay“attack”theworld’scomputers,causechaos,makeplanesandtrainscrash.3.Itisconvenienttoorderticketsfromtheinternet.hasgrownandbook∧Correcterror4.In1983,therewereonly200computersconnecttotheInternet.5.Itisclearwecanuseinternettodoallkindsofthingsathome.6.Personally,I’moptimisticaboutthefutureofinternet.connectedthatthe∧∧7.Associetydevelops,computerswillmakeourlifemuchconvenient.8.Themailservicemayalsodisappearastheincreasinguseofe-mail.morewith1.WhatpossiblechangesdosomeexpertsbelievetheInternetcanbringtoourlives?Wecanfeelconvenient,andwecandoallkindsofthingsontheInternetathome,suchasbuyingbooks,readingnews,bookingticketsandsoon.Sometraditionalthingswilldisappear.Wemayliveandworkinavirtualworld.2.Whyaresomeexpertspessimisticaboutthefuture?Listthreethings.Hackerscangetintothecomputersofbanksandgovernmentssothatchangedataorstealawayimportantinformation.Terroristswillattacktheworld’scomputers,causechaos,makeplanesandtrainscrash.pessimistichackersCyberterroristsnowinthefuturecybercriminaloptimisticinthefuturegetentertainmentTV&mailservicewilldisappearalreadyinthenextfewyearsshopontheInternetgetinformationbuybooksfindoutholidayoffersbookticketsVoiceyouropinionDoyoufeelpessimisticoroptimisticaboutthefutureoftheInternet?Why?1.Finishexercise4,5and6onPage55.2.优化设计Page2-6.3.Grammar1onPage92.1.Finishexercise4,5and6onPage55.2.优化设计Page2-6.3.Grammar1onPage92.Homework