高中英语Unit4 CYBERSPACE Lesson 1 4北师大版必修2VIP免费

Unit4CYBERSPACELesson1Learningobjectives：1)Tousethetitleofatexttopredictthecontent.2)Topractiseusingvocabularyofcyberspace.3)Topractiseusingwillandgoingtototalkandwriteaboutthefuture.Moralobjectives:1)Understandthedevelopmentofcomputertechnologyandkeepanoptimisticattitudetolearn.2)Formacorrectviewoncyberspace,andmakegooduseofinternet.Teachingdifficulties:TorevisePresentSimpleandPresentContinuous.TeachingAids:computerandcassetteTeachingprocedures:Ⅰ.GreetingsandWarmingupWhatcomputersandinternetbringus?Comparedto20yearsagohowdoyouthinktechnologywillchangeourlives?Forexample:Goshoppingonline.Needn’tcarrycashandusecreditcards.Insteadofgoingtothebankyoucanuseacomputerandatelephonetopayforbills.1.Imaginewhatwillhappeninthenexttwentyyears?2.Isitpossiblethatthecomputerwillgiveusdisaster?用心爱心专心Lookatthetitleofthearticle.Whichofthesetopicsdoyouthinkitwillmention?*theInternet*artificialhuman*timetravel*robots*globalwarming*virtualrealityReadthearticlequicklyandcheckyourguesstoquestion2above.1.Withthedevelopmentofcomputers,ourlifemaychangeinshoppingandcommunicatingways2.ThetextinferstousthatworryisnotnecessaryandcomputersandtheInternetonlydogoodtous.3.Someexpertssayinthefuturewewillnotgotoschoolintheclassroomlikeus.4.Inthefutureitispossiblethatpeopleliveinanotherworldofouterspace.5.Thetexttellusyoucandomanythingsbutneedn’tgototheplaceyourself.6.BecauseoftherapiddevelopmentofInternettelevisionandthemailwillbereplacedbycomputer.Keys:TFTFTTLearningvocabularyMatchthevocabularyfromthetextbelowwiththedefinitions.hacker,chaos,terrorist,theNet(Internet),virtualreality,crash1.apersonwhoentersotherpeople’scomputerprogrammesinsecret2.Theuseofcomputerstomakesituationsfeelandlookreal.3.haveanaccidentbyviolentlyhittingsomething.4.somewhodoesterriblethingstoharmcountries,governmentsandpeople.5.computersystemthatallowsmillionsofpeoplearoundtheworldtoshareinformation6.AterriblesituationinwhicheverythinggoeswrongKeys:1.hacker2.virtualreality3.crash4.terrorist5.theNet(Internet)6.chaosCorrecterror用心爱心专心1.Inthelastthirtyyears,theInternetgrewrapidly.2.Terroristmay“attack”theworld’scomputers,causechaos,makeplanesandtrainscrash.3.Itisconvenienttoorderticketsfromtheinternet.4.In1983,therewereonly200computersconnecttotheInternet.5.Itisclearwecanuseinternettodoallkindsofthingsathome.6.Personally,I’moptimisticaboutthefutureofinternet.7.Associetydevelops,computerswillmakeourlifemuchconvenient.8.Themailservicemayalsodisappearastheincreasinguseofe-mail.Keys:1.grew改为hasgrown2.make前加and3.order改为book4.connect改为connected5.clear后加that6.of后加the7.much改为more8.as改为withWecanfeelconvenient,wecandoallkindsofthingsfromtheInternetathome,suchasbuybooks,findoutaboutholidayoffers,bookticketsandsoon.Sometraditionalthingswilldisappear.Wemayliveinavirtualworld.Hackercangetintothecomputersofbanksandgovernmentsothatchangedataorstealawayimportantinformation.Terroristswillattacktheworld’scomputers,causechaos,makeplanesandtrainscrashevenandcausenuclearwar.VoiceyouropinionDoyoufeelpessimisticoroptimisticaboutthefutureoftheInternet?Why?Languagepoints1.In1983,therewereonly200computersconnectedtotheInternet.=whichwereconnectedtotheInternet.Itissurprisingthattherewere3oogoldcoinsburiedunderground.用心爱心专心＝whichwereburiedunderground.Therearesomanypeoplewatchingthebigfireinthestreet.=whowatchedthebigfi...