高中英语Unit 4 Lesson 1 Tomorrow s World课件3 北师大版 必修2 课件VIP免费

Lesson1Tomorrow’sWorldTheFutureofCyberspaceWhat’sthefutureofcyberspace?HowarecomputersandtheInternetaffectourlives?shopontheInternetcommunicatebye-mailgetnewfilmsontheInternethavevirtualrealityschoolsgetallourentertainmentontheInternethaveanInternetconnectionineveryroomofthehomefindhusbandsorwivesontheInternetWhichofthesetopicsdoyouthinkitwillmention?A.aliensB.androidsC.theInternetD.globalwarmingE.virtualrealityF.geneticengineeringA.cybercriminalB.hackerC.cyberterroristD.theNet(Internet)E.virtualrealityF.e-mail1.acriminalwhousestheInternet2.asystemwherepeoplecansendmessages(mail)toeachotherbycomputer3.picturesmadebycomputersthatseemreal-lifetothepersonlookingatthem4.someonewhousescomputerstoharmcountries,governmentsandpeople5.computersystemthatallowsmillionsofpeoplearoundtheworldtoexchangeinformation6.apersonwhoentersotherpeople’scomputerprogramsinsecretMatchthevocabularywiththedefinitionsAFECDBThenumberofcomputersconnectedtotheInternetin1983nowinthefuturePart120050millionIt’sgoingtoincreasehackerscybercriminalscyberterroristsbanksgovernmentsplanesandtrainscrashWhyaresomeexpertspessimisticaboutthefuture?theactivitiesofcybercriminalsyounghackersgetintobanksgovernments1.2.3.cyberterroristsattackcausechaosmakeplanesandtrainscrashpart2getallsortsofinformationWhatpossiblechangesdotheoptimistsbelievetheInternetcanbringtoourlives?1.2.alreadyusersbuybooksfindoutholidayoffersbookticketsallsortsofinformationInthenextfewyearsanexplosionofshoppinggetentertainmentTVandpostalservicedisappearpart3Ourfutureinvirtualreality.1.2theuseofcomputerswithsoundsandimagesasifinarealsituationapartofmodernlifeworkinvirtualofficesshopinvirtualsupermarketstudyinvirtualschoolsDiscussion:DoyoufeelpessimisticoroptimisticaboutthefutureoftheInternet?Why?Homework1.Retellthetextagain2.Prepareforlesson14