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Unit4Cyberspace2现在，中国有一亿六千多万网民，其中66%是青少年。你知道人们上网做什么吗？你能够想象得到没有网络的世界会是什么样子吗？3CanyouimagineaworldwithouttheInternet?It'ssurprisingtothinkaboutit.4Now，Chinahasmorethan162millionInternetusers，accordingtotheChinaInternetNetworkInformationCentre.ThisisthesecondlargestnumberofusersintheworldaftertheUnitedStates.Today，66%ofChinese“netizens”areteenagers.“Theyspendaboutthirteenhourseveryweekonline，”saidQianHulin，anInternetexpert.DoctorSonginBeijingXuanwuHospitalsaidabout14%ofChinesenetizenswhoareteensoftenlastedovertenhourstoplayonlinegames.5ThemainreasonswhyteenagerssurftheNetaretosearchforinformation，tocommunicatewithothersandtohavefun.OntheInternet，teenagerscanfindoutalmostanything.AndsurfingtheNetcanhelpstudentswiththeirhomeworkandwidentheirknowledge.LiDong，ateacheratNo.41MiddleSchoolinShijiazhuang，likesherstudentstousetheInternet.“Whenwetalkinclass，studentswhosurftheNetusuallyknowmorebackgroundinformationthantheothers，”shesaid.6Inaddition，peoplecanusetheInternettowritelettersorstories，sendemailsandchat.Manyteenskeepintouchwiththeirfriendsonline.Itischeaperthanphoningsomebodyfarawayandalsomuchquicker.7[诱思导读]阅读上文并回答下列问题1．Whichcountryhasthelargestnumberofusersintheworld?__________________________________________________2．WhydoteenagerssurftheNet?____________________________________________________________________________________________________TheUnitedStates.Theywanttosearchforinformation，tocommunicatewithothersandtohavefun.8[阅读障碍词]1．netizensn．网民2．widenvt.扩大3．backgroundn．背景9SectionⅠReading(Ⅰ)(Warmup&Lesson1)10新生词汇初识11Ⅰ.匹配下列单词的词性及汉语意思()1.artificialA．n.洪水，水灾vt.&vi.淹没()2.climateB．adj.人造的()3.floodC．n.气候()4.affectD．n.犯罪；罪行()5.crimeE．vt.影响()6.attackF．n.&vt.攻击，进攻()7.crashG．vt.&n．伤害，损害()8.disappearH．vt.(汽车、飞机等)撞毁；坠毁()9.harmI．vi.消失[答案]1－5BCAED6－9FHIG12Ⅱ.选择下列句中词组的汉语意思A.弥补B.信任C.变成现实；实现D.进入E.混乱F.找出()1.TheywillgetintoLondonthisafternoon.()2.Herwishtobeadoctorhascometrue.()3.Vitaminpillsmakeupwhatyoulackinyourdiet.()4.Pleasefindoutagoodandsimplewaytosolvetheproblem.13()5.Webelieveinhim，whoisalwaystruetohisword.()6.Youcanseethatwhenyouarehungry，yourmindwouldalsobeinchaos.[答案]1－6DCAFBE14教材语篇细研15TheFutureofCyberspacePeterTaylorfindsout①howcomputersandtheInternetaregoingtoaffectourlives.Inthelastthirtyyears②，theInternethasgrownrapidly(迅速地)．In1983,therewereonly200computersconnectedtotheInternet③；nowtherearearound50millionandthisgrowth(增长)isclearlygoingtocontinue.16Someexpertsarepessimisticabout④thefuture.Oneworryiscrime(犯罪)incyberspace.Evennow,younghackerscangetintothecomputersofbanksandgovernments.Inthefuture,terrorists(恐怖分子)may“attack”theworld'scomputers,causechaos(混乱),andmakeplanesandtrainscrash(撞毁)．17网络空间的未来彼得·泰勒发现计算机和互联网将如何影响我们的生活。在过去的三十年里，互联网快速发展。1983年，只有200台计算机连接到因特网上；现在有5000万台左右，而且显然还在发展下去。18一些科学家对(计算机主宰的)未来表现出悲观的态度。其中一种是担心网络犯罪。即使是现在，年轻的黑客甚至可以进入银行和政府的计算机系统。将来，恐怖分子可能会“攻击”全世界的计算机，造成混乱，引发飞机和火车事故。19[助读讲解]①findout弄清，查明。②inthelastthirtyyears作时间状语，句子谓语一般用现在完成时态。③connectedtotheInternet是过去分词短语作后置定语。④bepessimisticabout...对……感到悲观。20However,manypeopleareoptimistic(乐观的)aboutthefutureoftheInternet.Already,userscanbuybooks,findoutaboutholidayoffers,booktickets,andgetallsortsofinformationfromtheInternet.“Inthenextfewyears，”saysAngelaRossettoofCyberiamagazine,“itisclearthatwearegoingtoseeahugegrowthinshoppingontheInternet⑤.”Shealsobelievesthat,inthefuture,wewillgetentertainmentfromtheNetandthattelevisionwillprobablydisappear⑥.Themailservicemayalsodisappear(消失)withtheincreasinguseofemail.21Someexpertsseeourfutureinvirtualreality－theuseofcomputerswithsoundsandpicturesthatmakeyoufeelasifyouareinarealsituation⑦.“Personally,Ithinkvirtualrealitywillbecomeapartofmodernlife，”saysAustralianexpertPeterAnderson.“Iseepeoplelivingandworkinginavirtualworld.Wewillworkinvirtualoffices,shopinvirtualsupermarkets,andwewillevenstudyinvirtualschools.”22然而，许多人对因特网的未来持乐观态度。用户已经能够从网上购书，查假日特惠价，订票，并从网上获取各种各样的信息。《网络世界》杂志的安吉拉·罗赛托说：“很显然，我们将会看到网上购物的巨大增长。”她还相信，我们将来可以在网上进行娱乐活动，而且那时电视将很可能不复存在。随着电子邮件的不断使用，邮政服务也很可能会消失。23一些科学家预见，(虚拟现实)是计算机通过声音和图像模拟现实，以使人感到仿佛置身于一个真实的空间。澳大利亚专家彼得·安德森说：“我个人认为，虚拟现实将成为现代生活的一部分。我看到人们在虚拟世界里生活、工作。我们将在虚拟办公室工作，在虚拟超市购物，甚至会在虚拟学校学习。”24[助读讲解]⑤it为形式主语，that从句是真正的主语。⑥两个that引导的并列的宾语从句，作believes的宾语，第二个that不能省略。⑦that引导定语从句，从句中asif引导的从句作feel的宾语。25第一步速读——了解文章主题和段落大意速读P8教材课文，匹配段落大意1．Para.1A．Thefutureofvirtualreality.2．Para.2B．Pessimisticideastowardsthefutureofcyberspace.3．Para.3C．ThegrowthoftheInternet.4．Para.4D．OptimisticideastowardsthefutureoftheInternet.[答案]1－4CBDA26第二步细读——把控文章关键信息细读P8教材课文，选择最佳答案1．FromParagraph1，weknow________．A．theInternetcameintotheworldinthe1980sB．moreandmorecomputerswillbeconnectedtotheInternetC．peoplewillloseinterestintheInternetsomedayD．onecanhaveseveralcomputersathome272．Someexpertsarepessimisticaboutthefuture.Theyareworryingthat________．A．thegrowthwillslowdownB．itwillcostpeoplealotC．theworldwon'tbesafeD．computerswilltaketheplaceofhumans283．PeterAndersonthinks________．A．peoplewillbeabletoworkinavirtualworldB．televisionwilldisappearC．themailservicewilldisappearD．terroristsmay“attack”theworld'scomputers294．WhichofthefollowingisNOTmentionedi