Unit 4 Cyberspace Tomorrows World 課件-北師大版高中英語必修二

Unit4CyberspaceLesson1Tomorrow'sWorld冀萍Learningaims:學習目標1.Understandthemainideaofthetext

throughfastreading.2.Grasptheusageoftheimportantwordsandphrases.3.GrasphowtowriteacompositionaboutadvantagesanddisadvantagesoftheInternet.TheFutureofCyberspacenow...smartconvenientmulti-functionalsendSMS,call,alarmclock,games,takephotos,mp3,goonline…typicalcellphoneOnlyforcallsCanyouimaginewhatacomputerlookedlikeinthe1980s?Butinthe21stcentury,…Checkyourindependentlearning!Pleasematchthewordswiththeirpropermeanings.自學檢測1.climateA.病毒2.floodB.明顯的，顯而易見的3.realityC.傷害，損害4.affectD.消失5.rapidlyE.樂觀的6.growthF.娛樂；款待7.attackG.攻擊，進攻8.chaosH.混亂，無秩序9.disappearI.增長，生長10.optimisticJ.快，迅速地11.entertainmentK.撞毀，墜毀12.harmL.影響13.crashM.真實，實現(xiàn)14.virusN.洪水，水災；淹沒15.obviousO.氣候1.愿望、夢想等實現(xiàn)2.虛擬現(xiàn)實3.進入，陷入；染上4.好像，仿佛5.在過去的30年中6.和...連接7.對...悲觀的8.對...樂觀的9.查找出10.混亂PhrasescometruefindoutinthelastthirtyyearsbepessimisticaboutbeoptimisticaboutvirtualrealitygetintoasifconnecttoinchaosImaginelifeinthenexttwentyyears.Howdoyouthinktechnologywillchangeourlives?Example:

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

*B.Pessimisticideastowardsthefutureofcyberspace.

*C.ThegrowthoftheInternet.

*D.Optimisticideastowardsthefutureofcyberspace.*Para1

*Para2

*Para3

*Para4互學Careful-readingAssignment3：ReadthearticlecarefullyandchooseTrueorFalse(T/F)Withthedevelopmentofcomputers,ourlifemaychangeinshoppingandcommunicatingways.Thetextinferstousthatworryisnotnecessary,computersandtheInternetonlydogoodtous.Someexpertssayinthefuturewewillnotgotoschoolintheclassroomlikeus.TrueorFalse4.Inthefutureitispossiblethatpeopleliveinanotherworldofouterspace.5.Thetexttellusyoucandomanythingsbutneedn’tgototheplaceyourself.6.BecauseoftherapiddevelopmentofInternettelevisionandthemailwillbereplacedbycomputer.Assignment4：role1:AnexpertwhoispessmisticaboutthefutureoftheInternet.role2:ApersonwhoisoptimisticaboutthefutureoftheInternet.Roleplay展學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(文章的寫作結構）HowdoesthecomputerandtheNetaregoingtoaffectourlives.bad:

pessimistic

(悲觀的）good:

optimistic

（樂觀的）TopicSentence:（中心句）PessimisticOptimisticPessimisticPessimisticOptimisticOptimistic評學

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

1.Studentstendtocopyandpaste,andtheybecomelazy,etc…2.Maybe

chatwithfakeIDandbecheated3.Terroristswillcausechaos