北师大版必修2高中英语Unit4 Cyberspace全套教案VIP免费

Unit4CyberspaceLesson1Tomorrow’sWorldTeachingaims:Tousethetitleofatexttopredictthecontent.Topractiseusingvocabularyofcyberspace.Topractiseusingwillandgoingtototalkandwriteaboutthefuture.Teachingdifficulties:TorevisePresentSimpleandPresentContinuous.TeachingAids:computerandcassetteTeachingprocedures:Ⅰ.WarmingupWhatcomputersandinternetbringus?convenient,highefficientComparedto20yearsagohowdoyouthinktechnologywillchangeourlives?Forexample:Goshoppingonline.Needn’tcarrycashandusecreditcards.Insteadofgoingtothebankyoucanuseacomputerandatelephonetopayforbills.1.Imaginewhathappensinthenexttwentyyears?2.Isitpossiblethatthecomputergivesusdisaster?Lookatthetitleofthearticle.Whichofthesetopicsdoyouthinkitwillmention?*theInternet*artificialhuman*timetravel*robots*globalwarming*virtualrealityReadthearticlequicklyandcheckyourguesstoquestion2above.1.Withthedevelopmentofcomputers,ourlifemaychangeinshoppingandcommunicatingways2.ThetextinferstousthatworryisnotnecessaryandcomputersandtheInternetonlydogoodtous.3.Someexpertssayinthefuturewewillnotgotoschoolintheclassroomlike1us.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.chaosCorrecterror1.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with2Wecanfeelconvenient,wecandoallkindsofthingsfromtheInternetathome,suchasbuybooks,findoutaboutholidayoffers,bookticketsandsoon.Sometraditionalthingswilldisappear.Wemayliveinavirtualworld.Hackercangetintothecomputersofbanksandgovernmentsothatchangedataorstealawayimportantinformation.Terroristswillattacktheworld’scomputers,causechaos,makeplanesandtrainscrashevenandcausenuclearwar.VoiceyouropinionDoyoufeelpessimisticoroptimisticaboutthefutureoftheInternet?Why?Languagepoints1.In1983,therewereonly200computersconnectedtotheInternet.=whichwereconnectedtotheInternet.computer和connect是被动关系,因此connectedto是过去分词做定语来修饰computer,相当于一个定语从句。Itissurprisingthattherewere3oogoldcoinsburiedunderground.＝whichwereburiedunderground.真是令人惊奇，地下埋了300枚金币。Therearesomanypeoplewatchingthebigfireinthestreet.=whowatchedthebigfireinthestreet.People和watching是主动关系watching是...