高中英语 Unit 4 Cyberspace Section Ⅰ Reading（Ⅰ）（Warm-up Lesson 1）讲义 北师大版必修2-北师大版高一必修2英语教案VIP免费

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...