unit 4 cyberspace lesson 13教案 （北师大版必修2）

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1、Lesson1Tomorrow’sWorldTeachingaims:Tousethetitleofatexttopredictthecontent.Topractiseusingvocabularyofcyberspace.Topractiseusingwillandgoingtototalkandwriteaboutthefuture.Teachingdifficulties:TorevisePresentSimpleandPresentContinuous.TeachingAids:computerandcassetteTeachingprocedu

2、res:Ⅰ.WarmingupWhatcomputersandinternetbringus?convenient,highefficientComparedto20yearsagohowdoyouthinktechnologywillchangeourlives?Forexample:Goshoppingonline.Needn’tcarrycashandusecreditcards.Insteadofgoingtothebankyoucanuseacomputerandatelephonetopayforbills.1.Imaginewhathappe

3、nsinthenexttwentyyears?2.Isitpossiblethatthecomputergivesusdisaster?Lookatthetitleofthearticle.Whichofthesetopicsdoyouthinkitwillmention?*theInternet*artificialhuman*timetravel*robots*globalwarming*virtualrealityReadthearticlequicklyandcheckyourguesstoquestion2above.1.Withthedevel

4、opmentofcomputers,ourlifemaychangeinshoppingandcommunicatingways2.ThetextinferstousthatworryisnotnecessaryandcomputersandtheInternetonlydogoodtous.3.Someexpertssayinthefuturewewillnotgotoschoolintheclassroomlikeus.4.Inthefutureitispossiblethatpeopleliveinanotherworldofouterspace.5

5、.Thetexttellusyoucandomanythingsbutneedn’tgototheplaceyourself.6.BecauseoftherapiddevelopmentofInternettelevisionandthemailwillbereplacedbycomputer.Keys:TFTFTTLearningvocabularyMatchthevocabularyfromthetextbelowwiththedefinitions.hacker,chaos,terrorist,theNet(Internet),virtualreal

6、ity,crash1.apersonwhoentersotherpeople’scomputerprogrammesinsecret2.Theuseofcomputerstomakesituationsfeelandlookreal.3.haveanaccidentbyviolentlyhittingsomething.4.somewhodoesterriblethingstoharmcountries,governmentsandpeople.5.computersystemthatallowsmillionsofpeoplearoundtheworld

7、toshareinformation6.AterriblesituationinwhicheverythinggoeswrongKeys:1.hacker2.virtualreality3.crash4.terrorist5.theNet(Internet)6.chaosCorrecterror1.Inthelastthirtyyears,theInternetgrewrapidly.2.Terroristmay“attack”theworld’scomputers,causechaos,makeplanesandtrainscrash.3.Itiscon

8、venienttoorderticketsfromtheinter