2018-2019版高中英语 Unit 4 Cyberspace Period One Warm-up & Lesson 1 Tomorrow’s World讲义 北师大版必修2

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1、Unit4CyberspacePeriodOneWarm-up&Lesson1Tomorrow’sWorldCanyouimagineaworldwithouttheInternet？It’ssurprisingtothinkaboutit.Now，Chinahasmorethan162millionInternetusers，accordingtotheChinaInternetNetworkInformationCentre.Thisisthesecondlargestnumberofusersintheworldafte

2、rtheUnitedStates.Today,66%ofChinesenetizens(网民)areteenagers.“Theyspendaboutthirteenhourseveryweekonline，”saidQianHulin，anInternetexpert.DoctorSonginBeijingXuanwuHospitalsaid，“About14%ofChinesenetizenswhoareteensoftenlastovertenhourstoplayonlinegames.”Themainreasonsw

3、hyteenagerssurftheNetaretosearchforinformation，tomunicatewithothersandtohavefun.OntheInternet，teenagerscanfindoutalmostanything.AndsurfingtheNetcanhelpstudentswiththeirhomeworkandwidentheirknowledge.LiDong，ateacherinNo.41MiddleSchoolinShijiazhuang，likesherstudentsto

4、usetheInternet.“Whenwetalkinclass，studentswhosurftheNetusuallyknowmorebackgroundinformationthantheothers，”shesaid.Inaddition，peoplecanusetheInternettowritelettersorstories，sende-mailsandchat.Manyteenskeepintouchwiththeirfriendsonline.Itischeaperthanphoningsomebodyfa

5、rawayandalsomuchquicker.根据上文回答下列问题1.WhichcountryhasthemostInternetusersintheworldaccordingtothearticle?America/TheUnitedStates.2.WhydoesLiDonginNo.41MiddleSchoollikeherstudentstousetheInternet?BecauseshethinksherstudentscangetmorebackgroundinformationbyusingtheInter

6、net.PeriodOne　Warm-up&Lesson1　Tomorrow’sWorldⅠ.重点单词1.artificialadj.人造的2.floodn.洪水，水灾；vt.&vi.淹没3.realityn.真实，现实realadj.真实的reallyadv.真实地4.affectvt.影响；使感动5.rapidlyadv.快，迅速地rapidadj.迅速的6.growthn.增长；生长growvt.&vi.生长；种植7.crimen.犯罪；罪行criminaln.罪犯，犯人8.attackn.&vt.攻击，进攻9.chao

7、sn.混乱，无秩序10.crashvt.(汽车、飞机等)撞毁；坠毁11.optimisticadj.乐观的pessimisticadj.悲观的；厌世的12.entertainmentn.娱乐；款待entertainv.款待；使感兴趣13.disappearvi.消失14.harmvt.&n.伤害，损害15.obviousadj.明显的，显而易见的Ⅱ.重点短语1.makeup组成；编造；弥补；化妆；和好2.etrue(愿望、梦想等)实现3.findout找出，发现，查明4.bepessimistic/optimisticabou

8、t...对……悲观/乐观5.takeaction采取行动Ⅲ.重点句式1.inthelast/past＋时间段，句子谓语用现在完成时Inthelastthirtyyears，theInternethasgrown(grow)rapidly.三十年来，因特网迅猛发展。2.it作形