高中英语 Unit4 lesson1《Cyberspace》Tomorrow’s课件2 北师大版必修2.ppt

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1、Lesson1Tomorrow’sWorldTheFutureofCyberspaceWhat’sthefutureofcyberspace?HowarecomputersandtheInternetaffectourlives?shopontheInternetcommunicatebye-mailgetnewfilmsontheInternethavevirtualrealityschoolsgetallourentertainmentontheInternethaveanInternetconnectionineveryroomofthehomefindhusbandsorwiveso

2、ntheInternetA.aliensB.androidsC.theInternetD.globalwarmingE.virtualrealityF.geneticengineeringWhichofthesetopicsdoyouthinkitwillmention?A.cybercriminalB.hackerC.cyberterroristD.theNet(Internet)E.virtualrealityF.e-mail1.acriminalwhousestheInternet2.asystemwherepeoplecansendmessages(mail)toeachotherb

3、ycomputer3.picturesmadebycomputersthatseemreal-lifetothepersonlookingatthem4.someonewhousescomputerstoharmcountries,governmentsandpeople5.computersystemthatallowsmillionsofpeoplearoundtheworldtoexchangeinformation6.apersonwhoentersotherpeople’scomputerprogramsinsecretMatchthevocabularywiththedefini

4、tionsAFECDBThenumberofcomputersconnectedtotheInternetin1983nowinthefuturePart120050millionIt’sgoingtoincreasehackerscybercriminalscyberterroristsbanksgovernmentsplanesandtrainscrashWhyaresomeexpertspessimisticaboutthefuture?theactivitiesofcybercriminalsyounghackersgetintobanksgovernments1.2.3.cyber

5、terroristsattackcausechaosmakeplanesandtrainscrashpart2getallsortsofinformationWhatpossiblechangesdotheoptimistsbelievetheInternetcanbringtoourlives?1.2.alreadyusersbuybooksfindoutholidayoffersbookticketsallsortsofinformationInthenextfewyearsanexplosionofshoppinggetentertainmentTVandpostalservicedi

6、sappearpart3Ourfutureinvirtualreality.1.2theuseofcomputerswithsoundsandimagesasifinarealsituationapartofmodernlifeworkinvirtualofficesshopinvirtualsupermarketstudyinvirtualschoolsDiscussion:DoyoufeelpessimisticoroptimisticaboutthefutureoftheInternet?Why?Homework1.Retellthetextagain2.Prepareforlesso

7、n14Thankyou