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

Unit3Computers基础知识·梳理考点知识·导练基础知识·梳理抓主干·固双基单词拓展1.adv.无论如何2.vi.出现;发生3.vt.解决;解答n.解决(办法)4.vt.计算n.计算n.计算器5.adj.普遍的n.宇宙anyhowarisesolvesolutioncalculatecalculationcalculatoruniversaluniverse6.vt.简化adj.简单的adv.简单地7.vt.&vi.探索;探测n.探险者n.探索8.n.工艺;科技adj.科技的9.n.智力;聪明adj.智能的adv.智能地simplifysimplesimplyexploreexplorerexplorationtechnologytechnologicalintelligenceintelligentintelligently10.n.真实;现实adj.真的;现实的n.现实主义11.adj.电子的adj.用电的adj.与电有关的n.电12.adj.个人的adv.就个人而言n.个性;人格realityrealrealismelectronicelectricelectricalelectricitypersonalpersonallypersonality13.n.应用;申请vt.应用;申请n.申请人14.vi.&vt.发信号n.信号15.Artificialadj.________16.financen._______________17.Charactern._______________18.Appearancen.______________applicationapplyapplicantsignal人造的金融;财经性格;特点外貌;出现短语记忆1.aresult结果2.away在某种程度上3.deal处理;安排;对付4.watch看守;监视5.thehelpof在……的帮助下6.from...从……时起asinwithoverwithon句型整理1.IdevelopedveryslowlyandnearlytwohundredyearsIwasbuiltasananalyticalmachinebyCharlesBabbage.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。2.Overtimemymemoryhasdeveloped,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!ittookbeforesomuchthat考点知识·导练解疑难·提知能1.solvevt.解决;解答归纳拓展①solveaproblem解决/处理问题②solveapuzzle解决难题③solutiontosth./todoingsth.解决某事的方法高考运用:完成句子①Ihavegreatdifficulty(解决)theproblem.②Sowhat’sthe(解决方案)?(2018全国Ⅰ,阅读理解D)答案:①solving②solution2.signalvi.&vt.发信号n.信号归纳拓展①signal(to)sb.todosth.示意某人做某事②signal(sb.)that示意(某人)……③adanger/warning/trafficsignal危险/警告/交通信号词语辨析:symbol指符号、象征、标志等,常表达某种深邃寓意的事物。signal指为某一目的而有意识地发出的信号、暗号或警告等。sign表示“记号,符号”时,同symbol。表示“招牌,标志”时,侧重指用图形、文字等所表达的内容,另外还可指“征兆,迹象”。mark普通用词,含义广泛。既可指为便于辨认而有意识地做的标记,又可指自然而然形成的标志或有别于其他事物的特征。也可用于指“分数,成绩”。巧学助记高考运用:完成句子①Althoughhereceivedanoperation,heshowedno(迹象)ofimproving.②Hungeristhebody’s(信号)thatlevelsofbloodsugararetoolow.③Whiteisa(象征)ofpurityinwesterncultures.答案:①sign②signal③symbol3.arisevi.出现;发生归纳拓展①多以抽象名词作主语,如:argument,problem,quarrel,question,movement等。②arisefrom/outof由……而引起,由……而产生;从……中产生高考运用:完成句子①Newproblemswill(出现)oneafteranotherinthefuture.②Manyproblems(由……引起)thelackofcommunication.答案:①arise②arisefrom词语辨析:单词词性词义过去式过去分词v.-ingarise(vi.)出现,发生,起因于arosearisenarisingarouse(vt.)唤醒,激起arousedarousedarousingrise(vi.)升起,起身,增长,上升roserisenrisingraise(vt.)举起,唤起,提高,饲养raisedraisedraising巧学助记Oneoftheproblemsarisingfromthepresenteconomicsituationisthatthepriceisrisingsharply,ofcourse,partlybecausesomeillegalbusinessmenraiseitonpurpose,whichhasarousedsomeobjections.当前经济形势产生的问题之一是价格迅速上涨,当然,部分原因是一些不法商贩故意提高价格;这种现象已经引起了一片反对之声。4.anyhowadv.(也作anyway)无论如何;即使如此归纳拓展①anyhow=anyway无论如何;不管怎样;用任何方式②somehow用某种方式;不知怎么地;不知为什么③somewhat稍微,有点高考运用:完成句子①Hesaidhedidn’tknowmuchaboutcomputersbuthe’d(不管怎样都帮助我们).②Don’tworry,we’llgetthemoneyback(用某种方式).答案:①helpusanyhow/anyway②somehow5.asaresult结果;因此归纳拓展①asaresultof作为……的结果,由于②withoutresult毫无结果地;无效地③resultin=leadto导致,造成④resultfrom是由……造成的巧学助记高考运用:语法填空①Expertssayit’saninvaluablesocialpracticethatresultsbigbenefits.(2018全国Ⅱ,阅读理解D)②Asresult,thebadthinghasbeenturnedintoagoodone.③Hisfailureresultedhiscarelessness.答案:①in②a③from6.inaway在某种程度上;从某种意义上来说(=inoneway)归纳拓展①intheway妨碍;挡路②innoway一点也不;决不③onone’sway/thewayto在去……路上;即将到来④alltheway一路上;一直;始终⑤Noway!没门!高考运用:用适当的短语填空①Pleasetakeyourbikeaway.It’sandhascausedsomeinconveniencetopassers-by.②HewillgraduatefromShandongNormalUniversityandistobecomingateacher.③,globalwarmingisapositivething.答案:①intheway②onhisway③Inaway7.dealwith处理;对付;论述,论及;交易,做买卖归纳拓展①dowithsth.处理某事②makeadeal达成协议;做成交易③It’sadeal.成交;一言为定。④abigdeal非常重要的事;重要的人⑤It’snotabigdeal.没什么大不了的。高考运用:写出下列句中dealwith的含义①Ordinarysoap,usedcorrectly,candealwithbacteriaeffectively.(2018北京卷)②It’sabookdealingwithlifeintheUnitedStates.③Onthecontrary,Ifoundherquitehardtodealwith.答案:①对付②涉及③打交道8.watchover看守;监视;照看归纳拓展①watchout(for)密切注视;当心;提防②keep(a)watchon监视③on/offwatch在/不在值班④beonthewatchfor留神;注意高考运用:完成句子①(当心)!Acariscoming.②YesterdayIhadto(照看)mysickgrandmother.答案:①Watchout②watchover