Unit4Cyberspace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?CanyouimagineaworldwithouttheInternet?It'ssurprisingtothinkaboutit.Now,Chinahasmorethan162millionInternetusers,accordingtotheChinaInternetNetworkInformationCentre.ThisisthesecondlargestnumberofusersintheworldaftertheUnitedStates.Today,66%ofChinese“netizens”areteenagers.“Theyspendaboutthirteenhourseveryweekonline,”saidQianHulin,anInternetexpert.DoctorSonginBeijingXuanwuHospitalsaidabout14%ofChinesenetizenswhoareteensoftenlastedovertenhourstoplayonlinegames.ThemainreasonswhyteenagerssurftheNetaretosearchforinformation,tocommunicatewithothersandtohavefun.OntheInternet,teenagerscanfindoutalmostanything.AndsurfingtheNetcanhelpstudentswiththeirhomeworkandwidentheirknowledge.LiDong,ateacheratNo.41MiddleSchoolinShijiazhuang,likesherstudentstousetheInternet.“Whenwetalkinclass,studentswhosurftheNetusuallyknowmorebackgroundinformationthantheothers,”shesaid.Inaddition,peoplecanusetheInternettowritelettersorstories,sendemailsandchat.Manyteenskeepintouchwiththeirfriendsonline.Itischeaperthanphoningsomebodyfarawayandalsomuchquicker.[诱思导读]阅读上文并回答下列问题1.Whichcountryhasthelargestnumberofusersintheworld?TheUnitedStates.2.WhydoteenagerssurftheNet?Theywanttosearchforinformation,tocommunicatewithothersandtohavefun.[阅读障碍词]1.netizensn.网民2.widenvt.扩大3.backgroundn.背景SectionⅠReading(Ⅰ)(Warmup&Lesson1)Ⅰ.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]1-5BCAED6-9FHIGⅡ.选择下列句中词组的汉语意思()1.TheywillgetintoLondonthisafternoon.()2.Herwishtobeadoctorhascometrue.()3.Vitaminpillsmakeupwhatyoulackinyourdiet.()4.Pleasefindoutagoodandsimplewaytosolvetheproblem.()5.Webelieveinhim,whoisalwaystruetohisword.()6.Youcanseethatwhenyouarehungry,yourmindwouldalsobeinchaos.[答案]1-6DCAFBETheFutureofCyberspacePeterTaylorfindsout①howcomputersandtheInternetaregoingtoaffectourlives.Inthelastthirtyyears②,theInternethasgrownrapidly(迅速地).In1983,therewereonly200computersconnectedtotheInternet③;nowtherearearound50millionandthisgrowth(增长)isclearlygoingtocontinue.Someexpertsarepessimisticabout④thefuture.Oneworryiscrime(犯罪)incyberspace.Evennow,younghackerscangetintothecomputersofbanksandgovernments.Inthefuture,terrorists(恐怖分子)may“attack”theworld'scomputers,causechaos(混乱),andmakeplanesandtrainscrash(撞毁).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。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。[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。However,manypeopleareoptimistic(乐观的)aboutthefutureoftheInternet.Already,userscanbuybooks,findoutaboutholidayoffers,bookticket...