unit4 cyberspace lesson 1 教案 北师大必修2

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1、Lesson1Tomorrow’sWorldTeachingprocedures:Ⅰ.WarmingupWhatcomputersandinternetbringus?convenient,highefficientComparedto20yearsagohowdoyouthinktechnologywillchangeourlives?Forexample:Goshoppingonline.Needn’tcarrycashandusecreditcards.Insteadofgoingtothebankyoucanuseacomputerandat

2、elephonetopayforbills.1.Imaginewhathappensinthenexttwentyyears?2.Isitpossiblethatthecomputergivesusdisaster?Lookatthetitleofthearticle.Whichofthesetopicsdoyouthinkitwillmention?*theInternet*artificialhuman*timetravel*robots*globalwarming*virtualrealityReadthearticlequicklyandch

3、eckyourguesstoquestion2above.1.Withthedevelopmentofcomputers,ourlifemaychangeinshoppingandcommunicatingways2.ThetextinferstousthatworryisnotnecessaryandcomputersandtheInternetonlydogoodtous.3.Someexpertssayinthefuturewewillnotgotoschoolintheclassroomlikeus.4.Inthefutureitisposs

4、iblethatpeopleliveinanotherworldofouterspace.5.Thetexttellusyoucandomanythingsbutneedn’tgototheplaceyourself.6.BecauseoftherapiddevelopmentofInternettelevisionandthemailwillbereplacedbycomputer.Keys:TFTFTTLearningvocabularyMatchthevocabularyfromthetextbelowwiththedefinitions.ha

5、cker,chaos,terrorist,theNet(Internet),virtualreality,crash1.apersonwhoentersotherpeople’scomputerprogrammesinsecret2.Theuseofcomputerstomakesituationsfeelandlookreal.3.haveanaccidentbyviolentlyhittingsomething.4.somewhodoesterriblethingstoharmcountries,governmentsandpeople.5.co

6、mputersystemthatallowsmillionsofpeoplearoundtheworldtoshareinformation6.AterriblesituationinwhicheverythinggoeswrongKeys:1.hacker2.virtualreality3.crash4.terrorist5.theNet(Internet)6.chaosCorrecterror1.Inthelastthirtyyears,theInternetgrewrapidly.2.Terroristmay“attack”theworld’s

7、computers,causechaos,makeplanesandtrainscrash.3.Itisconvenienttoorderticketsfromtheinternet.4.In1983,therewereonly200computersconnecttotheInternet.5.Itisclearwecanuseinternettodoallkindsofthingsathome.6.Personally,I’moptimisticaboutthefutureofinternet.7.Associetydevelops,comput

8、erswillmakeourlifemuchconvenient.8.Themailservicemayal