高中英语U4 CyberspaceL1 Tomorrow’s World课件[ty]北师大版必修二.ppt

lessononetomorrowsworld,imaginelifeinthenexttwentyyears.howdoyouthinktechnologywillchangeourlives?,beforereading,smart,convenient,multi-functional,sendsms,call,alarmclock,games,takephotos,mp3,goonline,typicalcellphone,onlyforcalls,haveyoueverseensuchacamera?,digitalcamera,gramophone,mp3,discman,canyouimagewhatacomputerlookslikeinthe1980s?,butin21st.century,whydidthingschangesomuch?,question:,canyouimagewhatourfutureworldwilllooklike?,communicatebye-mail,getnewfilmsontheinternet,havevirtualrealityschools,getallourentertainmentontheinternet,haveaninternetconnectionineveryroomofthehome,whichofthesetopicsdoyouthinkthearticlewillmention?,*theinternet*artificialhuman*timetravel*robots*globalwarming*virtualreality,pre-reading,readthearticleandmatchthevocabularyfromthetextwiththedefinitions.,hacker,chaos,terrorist,thenet(internet),virtualreality,crash,1、apersonwhoentersotherpeoplescomputerprogrammesinsecret,hacker,2.theuseofcomputerstomakesituationsfeelandlookreal,virtualreality,3.haveanaccidentbyviolentlyhittingsomething,4.someonewhodoesterriblethingstoharmcountries,governmentsandpeople,crash,terrorist,putersystemthatallowsmillionsofpeoplearoundtheworldtoshareinformation,thenet,6.aterriblesituationinwhicheverythinggoeswrong,chaos,while-reading,netgrowsrapidly,thefutureofcyberspace,crimecomesaboutunavoidably,greatconvenience,liveinvirtualreality,listening:,fillintheblankaccordingtothetape,andwritedownthemissingwordsonyourexercisebook:,inthelast_years,theinternethasgrownrapidly.in_,therewereonly_computersconnectedtotheinternet;nowtherearearound_andthisgrowthisclearlygoingtocontinue.,someexpertsare_aboutthefuture.oneworryis_incyberspace.evennow,young_cangetintothecomputersofbanksandgovernments.inthefuture,_may“_”theworldscomputers,cause_,andmakeplanesandtrains_.,however,manypeopleare_aboutthefutureoftheinternet._,userscanbuybooks,findoutaboutholidayoffers,booktickets,andgetallsortsof_fromtheinternet.,“inthenextfewyears,”saysangelarossettoofcyberia_,“itisclearthatwearegoingtoseeahuge_inshoppingontheinternet.”shealso_that,inthefuture,wewillget_fromthenetandthattelevisionwillprobably_.themailservicemayalsodisappearwiththe_useofe-mail.,someexpertsseeourfuturein_-theuseofcomputerswithsoundsandpicturesthatmakeyoufeel_youareinarealsituation.“_,ithinkvirtualrealitywillbecomeapartof_life,”saysaustralianexpertpeteranderson.“iseepeoplelivingandworkinginavirtualworld.wewillworkinvirtualoffices,shopinvirtual_,andwewillevenstudyinvirtualschools.”,while-reading,readthetextagainandmatchtheparagraphswiththeseheadings.,a)pessimisticopinionsb)virtualrealityc)optimisticopinionsd)theinternetgrowth,2,4,3,1,readthepassagecarefullyandanswerthefollowingquestions.,1.whatpossiblechangesdosomeexpertsbelievetheinternetcanbringtoourlives?2.whyaresomeexpertspessimisticaboutthefuture?3.howisourfutureinvirtualreality?,already1.userscanbuybooks,findoutaboutholidayoffers,bookticketsandgetallsortsofinformationfromtheinternet.,inthenextfewyears2.wearegoingtoseeahugegrowthinshoppingontheinternet.wewillgetentertainmentfromthenet.tvandmailservicemaydisappear.,answertoquestion1,1.oneworryiscrimeincyberspace.younghackerscangetintothecomputersofbanksandgovernments.3.terrorists“attack”theworldscomputers,causechaos,andmakeplanesandtrainscrash.,answertoquestion2,1.theuseofcomputerswithsoundsandpicturesthatmakesyoufeelasifyouareinarealsituation.2.virtualrealitywillbecomeapartofmodernlife.peopleliveandworkinvirtualoffices,shopinvirtualsupermarketsandstudyinvirtualschools,answertoquestion3,1.inthelastthirtyyears,theinternetgrewrapidly.2.terroristmay“attack”theworldscomputers,causechaos,makeplanesandtrainscrash.3.itisconvenientforbookingticketsfromtheinternet.,hasgrown,and,tobook,correcttheerrorsofthesentences.,postreading,4.in1983,therewereonly200computersconnectingtotheinternet.5.itisclearwecanuseinternettodoallkindsofthingsathome.6.personally,imoptimisticaboutthefutureofinternet.,connected,that,the,7.associetydevelops,computerswillmakeourlifemuchconvenient.8.themailservicemayalsodisappearastheincreasinguseofe-mail.,more,with,theinternethasgrownr_inthelastthirtyyearsandaregoingtoa_ourlivesgreatly.someexpertsarepessimisticaboutthefuture,worryingthec_broughtaboutbytherapiddevelopmentofcyberspace.,cloze,apidly,ffect,rime,however,peoplejustcantdenythegreatadvantagesandconveniencetheinternethaso_tous.inthefuture,peoplemaylive,workandevenstudyinv_.,ffered,irtualreality,languagefocus,1.affectourlives影响着我们的生活affectvt.tohaveaninfluenceonsb.orsth.,ortocausethemtochange:bothbuildingswerebadlyaffectedbythefire.thedivorceaffectedeveryaspectofherlife.itsadiseasewhichaffectsmainlyolderpeople.,effectn.corutheresultofaparticularinfluence:theradiationleakhashadadisastrouseffecton/upontheenvironment.itriedtakingtabletsfortheheadachebuttheydidnthaveanyeffect.ithinkimsufferingfromtheeffectsoftoolittlesleep.,lastadj.,adv.,pron.(being)themostrecentortheonebeforethepresentone:didyouhearthestormlastnight(=duringthepreviousnight)?didyouseethenewsontvlastnight(=yesterdayevening)?,2.inthelastthirtyyears在最近三十年间,theygotmarriedlastnovember.whenwasthelasttimeyouhadacigarette?whendidyoulasthaveacigarette?shesbeenworkingthereforthelastmonth(=forthefourweeksuntilnow).,the/theselastfiveyearshavebeenverydifficultforhim.thelastweheardofher,shewasworkingasanenglishteacherinfrance.eachofherpaintingshasbeenbetterthanthelast.,attackn.1coruaviolentactintendedtohurtordamagesb.orsth.:enemyforceshavemadeanattackonthecity.thesebombblastssuggestthattheterroristsare(going)ontheattack(=tryingtodefeatorhurtotherpeople)again.,3.attacktheworldscomputer向世界计算机发起攻击,2coruwhenyousaysth.tostronglycriticizesb.orsth.:thegovernmenthascomeunderattackfromallsidesforcuttingeducationspending.3coruthepartofateaminsomesportswhichtriestoscorepoints:theteamhasastrongattack,butitsdefenceisweak.,attackv.1iorttotrytohurtordefeatusingviolence:hewasattackedandseriouslyinjuredbyagangofyouths.armyforceshavebeenattackingthetownsincedawn.mostwildanimalswontattackunlesstheyareprovoked.,2ttocriticizesb.strongly:shewroteanarticleattackingthejudgesandtheirconductofthetrial.thereportattackstheideaofexamsfor7-and8-year-olds.3tifsth.,suchasadiseaseorachemical,attackssth.,itdamagesit:aidsattacksthebodysimmunesystem.,4.bepessimisticabout对悲观thetoneofthemeetingwasverypessimistic.thedoctorsarepessimistic(=nothopeful)abouthischancesofrecovery.beoptimisticabout对乐观sheisoptimisticaboutherchancesofwinningagoldmedal.,5.findoutholidayoffers查找节日特惠价,offer:n.areductionofthepriceofsth.insshopforashorttimetheyhaveaspecialofferonthisweekbuytwo,getonefree.本周他们特价售货，买二增一。oliveoilisonofferthisweekend.橄榄油本周降价出售。,6.ahugegrowthofshoppingonthenet网上购物大增长,growthn.1uthegrowthofaperson,animalorplantisitsprocessofincreasinginsize:abalanceddietisessentialforhealthygrowth.plantgrowthismostnoticeableinspringandearlysummer.,2uanincreaseinthesizeortheimportanceofsth.:thegovernmentistryingto