高考英语一轮复习课件 人教版新课标 必修二Unit 3Computers 课件

2012高考英语一轮复习课件人教版新课标必修二Unit3Computers

2012高考英语一轮复习课件人教版新课标必修二Unit3Computers

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[提纲]获取途径——用途——使用说明

[典例]假设有一批英国中学生将到你所在的国际学校学习。你校学生使用的电子卡必须在开学的第一天到学生中心领取。以下是卡的一些信息。StudentIDCard·插入卡·绿灯亮·开启门1.此卡可开启教室、浏览室和宿舍门；2.请妥善保管；如遗失，请致电999服务中心。

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请根据上述信息，写一份关于领取和使用学生卡的英文说明，你的介绍需包括以上内容。

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只能用5个句子表达全部内容。[范文背诵]

Onthefirstdayoftheschool，gototheStudents‘CentertogetyourstudentIDcard.Itisanelectroniccardwhichisusedforopeningthedoorstoyourclassroom，readingroomanddormitory.Touseit，insertthecardandwhenthelightturnsgreenyoucanentertherooms.Youshouldbecarefultokeepthecardsafe.Ifyouloseyourcard，calltheStudents’Centeron999immediatelyforhelp.Ⅰ.考纲词汇1.

adj.宇宙的，普遍的2.

n.总数；算术题，金额3.

n.接线员，(电脑)操作员4.

n.工艺，科技，技术5.

adj.人造的6.

n.网络；网状物universalsumoperatortechnologyartificialnetwork7.

v.探索；探究；探测8.

adv.无论如何，即使如此9.

n.&v.信号，发信号10.

n.类型

v.打字11.

v.出现，发生12.

n.性格，特点exploreanyhowsignaltypearisecharacterⅡ.词汇拓展1.calculatev.计算

n.计算器

n.计算Usea

to

thecostofthevacationsothatwecanmakeabudgetby

.calculatorcalculationcalculatorcalculatecalculation2.simplifyv.简化

n.简化

adj.简化的

adj.简单的

adv.简单地Theapplicationformsshouldbe

tomakethings

.simplificationsimplifiedsimplesimplysimplifiedsimple3.solve

vt.解决，解答

adj.可解决的；可解析的

n.(问题的)解答；(困难的)解决方法或方式①Thoughtheproblemgivenbytheteacherwasdifficult，theboysaidthathecouldfindthetoit.②Weshouldlearnhowtoanalyzeand

problems.

solvablesolutionsolutionsolve1.

弥补；虚构；化妆2.

对……有优势3.

毕竟4.

利用5.

对付；处理；安排6.

某人认为7.

以某种方式，在某种程度上makeuphaveanadvantageoverafteralltakeadvantageofdealwithinone'sopinioninaway8.

在……的帮助下9.

照看，看守10.

经过11.

在20世纪60年代withthehelpofwatchovergobyinthe1960s选用上述词组填空。①Theyhavelearnedto

variouspersons.②Ihavetobeawayforawhile.Wouldyouplease

myshop？③Theboyisgoodat

storiestomakehismotherhappy.④

，you'dbettergiveupsmokingatonce.⑤

，whathesaidsoundsreasonable.dealwithwatchovermakingupInmyopinionInaway1.Astimewentby，Iwasmadesmaller.一年年过去了，我被做得更小了。[句型结构]astimegoesby...随着时间的推移，其中as引导时间状语从句，意为“随着……”。[句型仿写]①随着年龄的增长，我们会变得越来越聪明。

，wegetwiser.②随着岁月的推移，爱因斯坦的理论证明是正确的。

，Einstein'stheoryprovedtobecorrect.AswegrowolderAstimewenton2.IdevelopedveryslowlyandittooknearlytwohundredyearsbeforeIwasbuiltasananalyticalmachinebyCharlesBabbage.我发育缓慢，差不多到了两百年之后，查尔·巴比奇才把我制成了一台分析机。[句型结构]Ittakessometimebefore...过了多久才……。[句型仿写]①一份杂志要经过几年才会开始赚钱。

amagazinestartstomakemoney.②过了很长一段时间那场大火才渐渐熄灭。

thebigfirediedout.③最早的电话并不受人欢迎，过了很长一段时间人们才开始租用或购买电话。Theearliesttelephoneswerenotpopularand

peoplebegantohireorbuythem.ItwilltakeseveralyearsbeforeIttookalongtimebeforeittookalong

timebefore3.Overtimemymemoryhasdevelopedsomuchthat，likeanelephant，IneverforgetanythingIhavebeentold！随着时间的推移，我的记忆能力发展得如此之快，就像大象一样，从来不会忘记告诉我的任何事情！[句型结构]so...that...“如此……以致于……”，引导结果状语从句。[句型仿写]①太阳是如此的美，我想到海里去游泳。Thesunshineis

I'dliketogoswimminginthesea.②小明是如此调皮，以致他妈妈整天责备他。sobeautifulthatXiaoMingwassonaughtythathewasoftenblamedbyhismother.语句衔接用上述句型翻译下列小片段。差不多五年后我才适应了广东的饮食习惯。随着时间的流逝，我却变得如此喜欢粤菜，以致外出吃饭时，人们都说我是一个地道的广东人。答案：IttooknearlyfiveyearsbeforeIwasaccustomedtotheeatinghabitofGuangdong.Astimewentby，IlikeCantonesefoodsomuchthatwhenIwasdiningout，peoplewouldsayIwasanativeCantonese.

Thememoryofthecalculatingmachinehasimprovedrapidlyandithasdevelopedascomputerswhicharewidelyusedathome，incommunication，finance，scienceandtechnology，medicineandtrade.仔细阅读课文WhoAmI？，写出文章的主旨大意。答案：根据课文内容用适当的词填空，使短文完整。

Thecomputerbeganasacalculatingmachinein1642inFrance.Thenin1822，itwasbuilt1.ananalyticalmachine，which2.instructionsfromcardswithholes.In1936AlanTuringwroteabook3.(describe)howcomputerscould4.(make)towork，andbuilta“universalmachine”5.(solve)anymathematicalproblems.asfolloweddescribingbemadetosolve

Atthebeginning，thecomputerwashuge，the

6.ofalargeroom.7.yearsgoby，itbecomessmallerandsmaller，especially8.itgotnewtransistorsinthe1960s，ithasbecomesmallerandsmaller，and9.artificialintelligence，itisgettingclevererandcleverer，quickerandquicker.sizeAssincewith

In10.early1960s，computerscouldbeconnectedbyanetwork,11.rmationwithothersandtalktoeachother.Sopeople‘shomes，rmationandcommunicatewitheachotheraroundthewholeworldbythe15..thewhichtosharewerebroughttodealwithInternet(1)calculatethat...计算……calculateon指望或期待becalculatedtodosth.打算或计划做某事(2)calculationn.计算，推算calculatorn.计算器，计算者1.calculatev.计算，计划，打算；估计运用：完成下列句子。①我们还没计算出度假要花多少钱。Wehaven't

ofthevacationyet.②这些广告旨在吸引年轻的消费者。Theadvertisements

youngconsumers.③据估算，去年至少丧失了47,000个工作。

thatatleast47,000jobswerelostlastyear.④我们指望可以早出发。We're

anearlystart.⑤迪看着账单，同时进行着速算。Deelookedatthebillandmadesomerapid

.答案：①calculatedthecost②arecalculatedtoattract③Ithasbeencalculated④calculatingon⑤calculations2.anyhowadv.(1)“无论如何，不管怎样；总之；尽管如此”。作此意讲时，anyhow和anyway一样，都用作状语，一般置于句中(其前常有连词but)或句末。(2)“况且，更何况，再说，至少”。作此意讲时，可用来作状语，对前面的话作补充，给出一个令人信服的理由，此时anyhow常出现在句首或最后的分句之首，而不出现在句末。(3)“粗心地，随意地”。作此意讲时，anyhow不可与anyway互换。运用：完成下列句子。①这个丑闻可能会让她的名誉受损，但尽管如此，媒体还是报道了。Itwasfeltthatthescandalwoulddamageherreputation

.②恐怕我们来不了，即使这样还是谢谢邀请。I‘mafraidwecan’tcome，but

.③这太贵了，而且颜色不适合你。It'stooexpensiveand

thecolordoesn'tsuityou.答案：①butthepressreporteditanyhow

②thanksfortheinvitationanyhow

③anyhow

④Anyhow

⑤justanyhow④无论如何，咱们暂时忘记那件事吧。

，let'sforgetaboutthatforthemoment.⑤她把文件在桌上随便搁成一堆。Shepiledthepapersinaheaponherdesk，

.(1)signal(to)sb.todosth.示意某人做某事signaltosb.向某人示意signal(sb.)that示意……(2)adanger/warning/distresssignal

危险/警告/遇难信号trafficsignals交通信号灯astopsignal停车信号3.signalvi.&vt.发信号n.信号运用：完成下列句子。①他示意服务员结账。He

forthebill.②她示意他跟她走。She

.③我什么时候拨他的电话听到的都是忙音。AllIgetis

wheneverIdialhisnumber.答案：①signaled(to)thewaiter

②signaled(to)himtofollowher

③abusysignalsymbol，sign，signal，mark均含“标志，象征，符号”之意。(1)symbol指作象征或表达某种深邃意蕴的特殊事物。(2)sign普通用词，指人们公认的事物的记号，也可指某种情况的征兆。(3)signal指为某一目的而有意发出的信号。(4)mark普通用词，含义广泛。既可指为便于辨认而有意做的标记，又可指自然形成的标记或有别于其他事物的特征。运用：选用上述词语填空。①Welivetoofarfromthecitytogetastrongtelevision

.②Thepigeonisa

ofpeace.③Pleasemakea

whereyouhaveanyproblems.④Darkcloudsareregardedasa

ofheavyrain.答案：①signal

②symbol

③mark

④signarisefrom/outof...由……引起，由……产生4.arisevi.(arose，arisen)出现，发生运用：完成下列句子。①夜间起风暴了。

duringthenight.②疏忽大意往往会引起事故的发生。Accidents

carelessness.答案：(1)Astormarose

(2)arisefromarise，arouse，rise，raise原形过去式过去分词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运用：完成下列句子。①

(那个问题出现了)asweexpected.②Accidentcan

(因疏忽引起).③He

(举目观看)fromhiswork.④Theriver

(上涨了好几米).⑤Herstrangebehaviour

(引起我们的猜疑).答案：①Thatquestionarose

②arisefromcarelessness

③raisedhiseyes

④hasrisenbyseveralmeters

⑤arousedoursuspiciousasaresultof

由于……的结果(介词短语，后面接名词或代词)resultfrom因……而……(接原因)resultin导致(接结果)5.asaresult结果(副词短语)运用：完成下列句子。①他工作努力，因此被大家表扬。Heworkshard，and

，heispraised

byall.②由于飞行员罢工，所有的航班都被迫取消。

thepilots'strike，allflights

havehadtobecancelled.答案：①asaresult

②Asaresultofmakeupfor补偿，弥补bemadeupof＝consistof

由……组成makefor有利于……，有助于……走向；冲向makeit及时赶到，办成功makeitup和解，讲和makeknown使知晓；传达makeout理解，懂得，辨认出6.makeup化妆，虚构，编造运用：选用上述词语填空。①Tomhadaquarrelwithhiswife，butnowhehas

her.②Westillneed$30

thesumweaskedfor.③Atthattime，itwastoodarkforme

whatitwasatthedistance.④Hardworkcan

alackofintelligence.答案：①madeitupwith

②tomakeup

③tomakeout

④makeupforwatchfor留意，观察等待watchout(for)警惕或注意；提防keep(a)watchon监视watchoutforsb./sth.警惕或注意某人(某事物)watch/mindone‘sstep小心地行走；谨慎地做事或行动7.watchover看守；监视；照看运用：完成下列句子。①HefeltthatGodwas

(保佑他).②Theyare

(观察等待进一步的发展).

(当心)！Theroadisslipperybecauseoftheiceonit.④Thestaffwereaskedto

(留意)forgedbanknotes.⑤You‘llbeintroubleifyoudon’t

(谨慎从事).答案：①watchingoverhim

②watchingforfurtherdevelopments

③Watchout

④watchoutfor

⑤watchyourstep8.dealwith处理；安排；对付；论及；与……交涉、交易dealwith和dowith都可表示“处理；对付”，dowith常与what连用，而dealwith常与how连用。运用：完成下列句子。①我不知道他们将如何处理这个问题。Idon‘tknowhowtheywill

theproblem.(＝Idon’tknow

theywill

theproblem.)②以其人之道，还治其人之身。

ashedealswithyou.③这是一本论述亚洲问题的书。Thisisabook

.答案：①dealwith；what；dowith

②Dealwithaman③dealingwithAsianproblems9.inaway从某种意义上说来alltheway一路上bytheway顺便说；在途中bywayof经由inthisway用这种方法innoway一点也不，决不intheway挡道的Noway！

[俚]别想！没门！运用：选用上述词语填空。①

herhealthismuchimproved.②CanIexplainthesentence

？③Wecan

allowsmokinghere！④HearrivedinShanghai

HongKong.⑤

，whereisJack？答案：①Inaway

②inthisway

③innoway

④bywayof

⑤Bytheway10.withthehelpof在……的帮助下

withone'shelp有……的帮助运用：完成下列句子。

(在老师的帮助下)，ImaderapidprogressinEnglish.②I‘msurewecanreachourgoal

(有你的帮助).答案：①Withthehelpoftheteacher

②withyourhelp表示否定意义的前缀1.un­不，非，unable不能够，unlucky不幸的2.di­不，非，dishonest不诚实的，discontinuous不连贯的3.in­不，非，inactive不活跃的，incorrect不正确的4.im­不，非，impatient不耐烦的，impossible不可能的5.ir­不，非，irregular不规则的，irresponsible不负责任的6.il­不，非，illogical不合逻辑的，illegal非法的7.non­不，非，non­existent不存在的，non­stop直达的，连续不断的8.mis­错误，mislead误导，misunderstand误解9.dis­＋动词，意义相反的动词，dislike不喜欢，disagree

不同意10.un­＋动词，意义相反的动词，uncover揭开，undress

脱衣服一、阅读下列短文，写出划线单词的意思

Amisconceptionwasthatthehightemperaturecausedthebigfire.However，MissWangknewitwasnotthetruestory.Sosheinsistedthatthegovernmentshouldmakethetruthknowntothepublic.WhenMissWangknewthatherappealwasdisallowed，shefeltrather

disappointed.Shedecidedtodisclosethetruth：itwashumanerrorsthatwastoblamefortheterribledisaster.Shewantedtotellthepublicaboutthecoldnessofsomeofficials.Shebelievedthatthetruthmustbeuncoverednow.答案：

misconception错误观念；disallowed驳回，不准许；disappointed失望的，沮丧的；disclose揭露；uncoverv.揭露，揭发二、用所给单词的适当形式填空

Thespeechseemedtobe1.

(stop)andthelistenersbecamevery2.

(patient).Whenthespeakersaidthatoilwas3.

(renew)andthatthebestwaytosolvetheproblemwasnottomakecarsandbusestoforcepeopletogotoworkorschoolonfoot，theaudiencethoughtitwas4.

(practice)and5.

(bear)tolistentohimanylonger.They6.

(believe)thattheworldwouldgosmoothlywithoutthesemoderntransportations.Theyalsothoughtthatthespeakerwas7.

(responsible)tomakesuchastatementwithoutthinkingitcarefullyandhisspeechwouldcausesome8.

(understand).Somostofthelistenerschosetoleave，shoutingloudlyandangrily.答案：1.non­stop没完没了的2.impatient不耐烦的3.non­renewable不可再生的4.impractical不切实际的5.unbearable不能忍受的6.disbelieved不相信7.irresponsible不负责任的8.misunderstandings误解模仿朗读(八)听录音，然后模仿朗读。ATheworldisthirstyforwater.About97%ofthewaterintheworldisseawater，orsaltwater.Mancanonlydrinkandusetheother3%—thefreshwaterfromrivers，lakes，undergroundandotherforms.Butwecannotevenuseallofthat，becausesomeofitisintheformoficebergsandevenpolluted.Onlyifwetakestepstodealwiththeproblemrightnowcanweescapeaworldwidewatershortagelateron.Scientistssuggestweshouldreuseit，orremovethesaltinseawaterandmakeitfresh.Ifwetakethesestepswe'llhavenodangerofdryingup.BCenteredwithinaloosecollectionofcity­states，whichwereoftenatwarwitheachother，ancientGreekculturereacheditsGoldenAgeduringthefourthcenturyBC.Art，theater，music，poetry，philosophy，andpoliticalexperimentsflourished.InancientGreek，onlymencouldbecitizensandonlyupper­classmalesenjoyedaformaleducation.Womenhadfewpoliticalrightsandwereexpectedtoremaininthehomeandbearchildren.Fullyonequarterofthepopulationwasmadeupofslaves.Mosthomesweremodestandwindowlesswithlittlefurniture.TheGreekdietwasalsomodest，basedlargelyonwineandbread.Thenamesoffoodsandcookingmethodshavechangedlittleovertime.录音材料：略语句衔接(二)1.根据句子意思，把第一部分的句子与第二部分的句子连接起来(1)Hehastotakephotosoftheplaceshevisits.(2)Noteverybodythinksthebuildingisugly.(3)Hethoughtthetalkwasfascinating.(4)Thesmokestartedcomingupthestairs.(5)Businesshasbeenverybadthisyear.(6)Wecouldaskhimnow.A.Meanwhile，theywerestillsleepingpeacefully.B.Ontheotherhand，wecouldwaituntiltomorrow.C.Onthecontrary，somepeoplesayitlooksmarvelous.D.Asaresult，wehavehadtocloseoneofourfactories.E.Inaddition，heiswritingareportofhisjourney.F.Hisfriend，however，fellasleephalfwaythroughit.答案：(1)E

(2)C

(3)F

(4)A

(5)D

(6)B2.使用所给的连词补全下列文章as，aswell，but，bythattime，however，morethan，notjust，or，regardlessof，suchas，therefore，unless，when，whether，which

Stressisoneofthemainreasonswhyheartdiseasenowkills80,000womenayear—

(1)

cancer

(2)

anyotherdisease.Womenmaybeshocked

(3)

theyreadthis，

(4)

stress，

(5)

affects

(6)

highflyingfemaleexecutives，

(7)

housewivesandsecretaries

(8)

wasneverthoughttobeakiller.Heredity，

(9)

yourparentsorgrandpa