2021高考英语大一轮复习 Unit 3 Computers课件 新人教版必修2

Unit3Computers考点一-2-【识记阅读单词】1.universaladj.普遍的;通用的;宇宙的2.sumn.总数;算术题;金额3.logicaladj.合逻辑的;合情理的4.logicallyadv.逻辑上;合逻辑地;有条理地5.technologyn.工艺;科技;技术6.technologicaladj.科技的7.revolutionn.革命8.artificialadj.人造的;假的9.tuben.管;管子;电子管10.networkn.网络;网状物11.webn.网Ⅰ.单词由简到难,水到渠成Thefirststepisasgoodashalfover.考点一-3-12.mopn.拖把vt.用拖把拖;擦13.financen.金融;财经14.mobileadj.可移动的;机动的15.rocketn.火箭16.downloadvt.下载17.virusn.病毒18.coachn.教练考点一-4-【拼写高频单词】1.solvevt.解决;解答2.explorevt.&vi.探索;探测;探究3.anyhowadv.(也作anyway)无论如何;即使如此4.goaln.目标;目的;球门;(进球)得分5.happinessn.幸福;快乐6.arisevi.(arose,arisen)出现;发生7.electronicadj.电子的8.charactern.性格;特点9.applicationn.应用;用途;申请10.niecen.侄女;甥女11.signalvi.&vt.发信号n.信号考点一-5-【拓展核心单词】1.calculatevt.计算→calculationn.计算→calculatorn.计算器2.simplifyvt.简化→simpleadj.简单的→simplyadv.简单地3.operatorn.(电脑)操作员;接线员→operatevt.&vi.操作→operationn.运转;操作;手术4.intelligencen.智力;聪明;智能→intelligentadj.智能的;聪明的→intelligentlyadv.聪明地5.realityn.真实;事实;现实→realadj.真实的→reallyadv.真实地;真正地考点一-6-6.personaladj.私人的;个人的;亲自的→personallyadv.就个人而言;亲自→personalityn.人格;个性7.totaladj.总的;整个的n.总数;合计→totallyadv.完全地;整个地8.typen.类型vt.&vi.打字→typistn.打字员→typewritern.打字机9.appearv.出现;显得;似乎→appearancen.外观;外貌;出现考点一-7-1.与动词arise形式变化相似的词汇arisearosearisen出现;起身riseroserisen上升;起来rideroderidden骑writewrotewritten写drivedrovedriven开车2.后缀“-ology”高频名词一览ecology生态学biology生物学psychology心理学sociology社会学考点一-8-3.“互联网”家族typevi.&vt.打字Internetn.因特网networkn.网络connectvt.连接downloadvt.下载passwordn.密码databasen.数据库;资料库surfv.浏览考点一-9-4.anyhow相关单词一览somehowadv.以……方式;不知怎么地;不知为什么somewhatadv.有点儿;有几分;颇为anyhowadv.无论如何anywayadv.无论如何;不管怎样5.由signal想到的signal信号sign迹象;符号sigh叹息single单个的;单身的sight视力;情景考点一-10-6.既是实义动词,也是系动词的词stay保持;待着keep保持;保留remain留下;保持appear显得;好像seem似乎;好像look看;看起来考点一-11-【识记】watchover看守;监视【默写】1.结果asaresult2.处理;安排;对付dealwith3.从……时起from...on4.如此……以至于……so...that...5.在某种程度上inaway6.在……的帮助下withthehelpof7.人类humanraceⅡ.短语化难为简,轻松记忆Learntowalkbeforeyourun.考点一-12-1.“因此”的各种表达therefore因此;所以asaresult结果;因此asaconsequence结果;因此consequently因此;结果2.“帮助”家族helpn.&vt.帮助assistvt.帮助;协助assistancen.帮助;协助aidn.&vt.帮助;援助;资助supportn.&vt.支持;帮助fundvt.资助sponsorvt.赞助give/lendsb.ahand帮助考点一-13-Ⅲ.高频句型分析探究,融会贯通Nothingisimpossibletoawillingheart.1.IdevelopedveryslowlyandittooknearlytwohundredyearsbeforeIwasbuiltasananalyticalmachinebyCharesBabbage.我发育缓慢,差不多到了两百年之后,查尔斯·巴比奇才把我制成了一台分析机。考点提炼“Ittakes/took+一段时间+before+从句(一般过去时)”表示“过了……才……”。考点一-14-2.Astimewentby,Iwasmadesmaller.随着时间的推移,我被做得越来越小。考点提炼as引导时间状语从句,意为“随着……”。3.Overtimemymemoryhasdevelopedsomuchthat,likeanelephant,IneverforgetanythingIhavebeentold!随着时间的推移,我的记忆能力发展得如此之快,就像一头大象一样,我从来不会忘记告诉我的任何事情!考点提炼so...that...“如此……以至于……”,引导结果状语从句。考点一-15-1.过了一周我们才知道考试的结果。Ittookaweekbeforeweknowtheresultsoftheexam.2.随着时间的推移,我跟老朋友们的联系越来越少了。Astimewent/passedby,Ikeptinlesstouchwithmyoldfriends.3.大连是如此吸引人,每年都有许多游客来观光。Dalianissoattractivethatlotsoftouristsvisititeveryyear.考点一-16-Thehistoryofcomputersbeganin1642inFrance.Theywerefirstbuiltonlyas1.calculating(calculate)machines,and2.later(late)asanalyticalmachinesthatcould“think”3.logically(logic)andproduceananswerquickerthananyperson.Stilllater,4.the“universalmachine”wasbuilttosolvemathematicalproblems,5.whichmadecomputershuge!Astheyears6.went(go)by,computersweremadesmaller,quicker7.andcleverer.Later,computerswereconnectedbyanetworkand8.brought(bring)intocommonpeople’shomestodealwithinformationandhelpcommunication9.betweenpeoplearoundtheworld.Since10.their(they)birth,computershavealwaysbeendesignedtoservethehumanrace.Ⅳ.语篇填空旧材新用,探究根源Killtwobirdswithonestone.考点二-17-核心词汇核心句式1.asaresult结果领悟高考·究考法用resultin,resultfrom,asaresult或asaresultof的适当形式填空(1),humansdevelopedarangeofcharactertypesthatstillexisttoday.(2016·北京,七选五阅读)因此,人类发展出了一系列文字类型,直到今天仍然存在。(2)Wearenotbecomingpeoplewithpoormemories______________theInternet.(2015·安徽,阅读理解C)我们并没有因为网络变成记忆力差的人。Asaresultasaresultof考点二-18-核心词汇核心句式(3)Children’sfearanddislikeofbooksmaybeingmadetoreadaloudbeforeothers.(2015·浙江,阅读理解A)孩子们对于书籍的恐惧和厌烦可能是来自于被迫在他人面前大声朗读。(4)Expertssayit’saninvaluablesocialpracticethatbigbenefits.(2018·全国Ⅱ,阅读理解D)专家说,这是一种无价的社会实践,能带来很大的好处。resultfromresultsin考点二-19-核心词汇核心句式2.totaladj.总的;整个的;全部的;完全的n.总数;总额;合计vt.&vi.总数达;将……加起来;合计领悟高考·究考法诵读或翻译句子,体会黑体部分含义(1)Intotal,25%ofIndia’sworking-agepopulationhasnoeducation.(2017·江苏,任务型阅读)总的来说,印度25%的劳动年龄人口没有受教育。(2)Haveyouevervisitedagarden,wheretheatmosphereofthegardenappearedtototalmorethanthesumofitsparts?(2016·全国Ⅱ,七选五阅读)你是否曾经参观过这么一个花园,它的氛围看起来完全大于它各部分的总和?考点二-20-核心词汇核心句式(3)Alreadywellover400ofthetotalof6,800languagesareclosetoextinction.(2018·全国Ⅰ,阅读理解C)___________________________________________________单句写作(4)Lindsey的丈夫对这次意外的来访感到十分震惊。(2018·全国Ⅲ,完形填空)___________________________________________________联想拓展·记考点(1)intotal总共(2)atotalof...总数是……在总共6800种语言中,已有400种语言濒临灭绝。Lindsey’shusbandwastotallyastonishedbytheunexpectedvisit.考点二-21-核心词汇核心句式3.goaln.目标;目的;球门;(进球)得分领悟高考·究考法写出下列句子中goal的意思(1)IwilltrytoreachmygoalbecauseIwanttoliveanexcitinglife.(2018·天津,阅读表达)(2)Theyhelphimunderstandthatpeoplemustworktowardcommongoals.(2016·天津,阅读理解C)(3)Thegoalistofindoutwhetherkidsusingtoday’snewtechnologycanteachthemselvestoread.(4)Throug