Unit 4 Cyberspace Tomorrows World 课件-北师大版高中英语必修二

Unit4CyberspaceLesson1Tomorrow'sWorld冀萍Learningaims:学习目标1.Understandthemainideaofthetext

throughfastreading.2.Grasptheusageoftheimportantwordsandphrases.3.GrasphowtowriteacompositionaboutadvantagesanddisadvantagesoftheInternet.TheFutureofCyberspacenow...smartconvenientmulti-functionalsendSMS,call,alarmclock,games,takephotos,mp3,goonline…typicalcellphoneOnlyforcallsCanyouimaginewhatacomputerlookedlikeinthe1980s?Butinthe21stcentury,…Checkyourindependentlearning!Pleasematchthewordswiththeirpropermeanings.自学检测1.climateA.病毒2.floodB.明显的，显而易见的3.realityC.伤害，损害4.affectD.消失5.rapidlyE.乐观的6.growthF.娱乐；款待7.attackG.攻击，进攻8.chaosH.混乱，无秩序9.disappearI.增长，生长10.optimisticJ.快，迅速地11.entertainmentK.撞毁，坠毁12.harmL.影响13.crashM.真实，实现14.virusN.洪水，水灾；淹没15.obviousO.气候1.愿望、梦想等实现2.虚拟现实3.进入，陷入；染上4.好像，仿佛5.在过去的30年中6.和...连接7.对...悲观的8.对...乐观的9.查找出10.混乱PhrasescometruefindoutinthelastthirtyyearsbepessimisticaboutbeoptimisticaboutvirtualrealitygetintoasifconnecttoinchaosImaginelifeinthenexttwentyyears.Howdoyouthinktechnologywillchangeourlives?Example:

Allcarswillhavecomputers.Assignment1：Readthearticlequicklyandthinkaboutpeople'sviewpointstowardsthefutureoftheInternet?Fast-readingpessimisticoptimisticandAssignment2：（Groupwork）Skimthetextandmatchtheheadingswiththeproperparagraphs.*A.Thefutureofvirtualreality

*B.Pessimisticideastowardsthefutureofcyberspace.

*C.ThegrowthoftheInternet.

*D.Optimisticideastowardsthefutureofcyberspace.*Para1

*Para2

*Para3

*Para4互学Careful-readingAssignment3：ReadthearticlecarefullyandchooseTrueorFalse(T/F)Withthedevelopmentofcomputers,ourlifemaychangeinshoppingandcommunicatingways.Thetextinferstousthatworryisnotnecessary,computersandtheInternetonlydogoodtous.Someexpertssayinthefuturewewillnotgotoschoolintheclassroomlikeus.TrueorFalse4.Inthefutureitispossiblethatpeopleliveinanotherworldofouterspace.5.Thetexttellusyoucandomanythingsbutneedn’tgototheplaceyourself.6.BecauseoftherapiddevelopmentofInternettelevisionandthemailwillbereplacedbycomputer.Assignment4：role1:AnexpertwhoispessmisticaboutthefutureoftheInternet.role2:ApersonwhoisoptimisticaboutthefutureoftheInternet.Roleplay展学Para2

Someexperts

arepessimisticaboutthefuture.Oneworryis

crimeincyberspace.Evennow,younghackerscangetintothecomputersofbanksand

governments.Inthefuture,terroristsmay“attack”theworld’scomputers,causechaos,andmakeplanesandtrainscrash.However,manypeopleareoptimisticaboutthefutureoftheInternet.Already,userscanbuybooks,findoutaboutholidayoffers,booktickets,andget

allsortsofinformation

fromtheInternet.“Inthenextfewyears,”saysAngelaRossettoofCyberiamagazine,“itisclearthatwearegoingtoseeahugegrowthinshoppingontheInternet.”Shealsobelievesthat,inthefuture,wewillget

entertainmentfromtheNetandthattelevisionwillprobablydisappear.Themailservicemayalsodisappearwiththeincreasinguseofe-mail.

Para3Thestructureofthepassage(文章的写作结构）HowdoesthecomputerandtheNetaregoingtoaffectourlives.bad:

pessimistic

(悲观的）good:

optimistic

（乐观的）TopicSentence:（中心句）PessimisticOptimisticPessimisticPessimisticOptimisticOptimistic评学

theInternet1.It'sconvenient/good/helpfulforustogetallkindsofthelatestnews...2.WecanshareourWechatMoments...

1.Studentstendtocopyandpaste,andtheybecomelazy,etc…2.Maybe

chatwithfakeIDandbecheated3.Terroristswillcausechaos