(高考备考)高考英语必背单词3500词（3）课件

高考必背3500词（3）Part1 常见前缀及其代表词汇

Part2 高考考过的几个重点词汇

Part3 高考常见易混词辨析Part4开阔思路记单词Part5高考必背短语Part1 常见前缀及其代表词汇

前缀 用法 circum- 环绕，周围

co-(元音词根前), 共同cooperate col-( )

collect

com-,con-,cor- 共同

表加强

contra-,conter- 反对，相反

circum-环绕，周围希腊语kirkos(环、圈)→circus(圆形场地，马戏团)→词根circ-和cycl-(圆、环)cycle周期，循环bicycle自行车bi-=tworecycle回收，再循环re-=againcircle[‘sɜːk(ə)l]圆圈，范围 acircleoffriends一群朋友culturalcircles

circuit['sɜːkit]电路根circu(圈)-it(=go)让电走起来circulate['sɜːkjʊleɪt](使)流通，(使)循环根circul(圈)-ate(动词后缀)例：Weshouldoftenopenthewindowstoallowtheairtocirculate.circumstance[‘sɜːkəmst(ə)ns]环境，情况根circum(圈,周围)-stance(站)在你周围站着的事物→环境undernocircumstances在任何情况下都不例：UndernocircumstancesshouldyoulendPaulanymoney.倒装句你无论如何都不能借钱给保罗。co-(元音词根前),col-(同辅音词根前) 共同例：词义猜测Doyouhaveanystrongopinionon

co-educationalorsingle-sexschools? cooperate[kəʊ‘ɒpəreɪt]合作

colleague[‘kɒliːg]同事 根col(共同)-league(联盟)工作于同一个联盟→同事com-,con-,cor- 表加强

1.command命令com（加强）+mand手词根mand/man/mend/main手command/ordersbtodosth命令某人做某事haveacommandofsth掌握某事commandthatsb(should)dosth虚拟语气例：MymomcommandedthatI(should)getupearly用should类虚拟语气的动词一坚持：insist

二命令：order,command,三建议：advise,propose,suggest（recommendurge）四要求：demand,require,request,askIdropcaps一头一尾两特殊insistdemandrequire/request/recommendorderproposecommandadviseprefersuggest改变形式同样适用换用句式：Itissuggestedthat…主语从句Mysuggestionisthat…表语从句由Idropcaps引导的不管是宾语从句表语从句还是主语从句一律用should类虚拟语气一头一尾两特殊insist坚持：虚拟语气坚持说：不用虚拟语气看实际情况来区分Iinsistthatyoushouldn’tsmokehere.Heinsistedthathehadneverstolenthemoney.suggest建议：虚拟语气暗示，表明：不用虚拟语气=indicateIsuggestthatwe(should)gotothepartytogether.Thesmileonherfacesuggestedthatshewassatisfiedwithmywork.例1：Thecaptaincommandedeverysailor______(come)atoncetopumpwateroutoftheship.例1：Thecaptaincommandedeverysailor__come____(come)atoncetopumpwateroutoftheship.pumpn./v.泵2.commit犯错误，犯罪com（加强）+mit(送出）输送出很多坏行为自杀commitsuicidecommitteen.委员会commitmentn.献身；承诺3.collectv./n.收集col(加强）+lect（收集）收集辨析：collect，gather，assemblecollect有目的或有选择的收集。集邮gather数量由少到多的聚集=accumulateassemble把个体紧密联合，这种联合带有自发性。主语一般是人。4.conduct引导，管理con（加强）+duct(引导)管理词根duce/duct引导induce

诱导，引起in-往里reduce减少re-否定produce

生产pro-向前productn.产品conductor管理者，售票员5.constantadj.持续不变的，经常的con(加强）+stant(stand站）一直站着constantly不断地instantly立即地，一...就...(代替assoonas)instantnoodle方便面immediately，instantly，directly，thetime，theminutehardly...when,nosooner...than（写作中代替assoonas）力量聚集在一起然后变舒适com加强com加强思想表达出来com加强com加强不好前缀和词根拆开tain=holdcontra-,conter-反对，相反contradict[kɒntrə'dɪkt]跟…矛盾，反驳根contra(against)+dict(speak)→反着说，反驳contrary['kɒntrərɪ]相反的，反面onthecontrary正好相反Part2高考考过的几个重点词汇case chargecasual concernchallenge considercharacter cover

1.case情况，案例

innocase绝不

incase(of)以防，万一

【例2】___fire,allexitsmustbekeptclear.A.Inplaceof B.Insteadof C.Incaseof D.Inspiteof

【例2】___fire,allexitsmustbekeptclear.A.Inplaceof代替 B.Insteadof代替C.Incaseof以防 D.Inspiteof尽管=despite

2.casual[‘kæʒʊəl]随意的，临时的 【例3】Johnwasdismissedlastweekbecauseofhis

attitudetowardshisjob.A.informal B.causal C.determinedD.earnest【例3】Johnwasdismissedlastweekbecauseofhis

attitudetowardshisjob.A.informal非正式的 B.causal随意的 C.determined下决心的D.earnest认真的3.challenge[‘tʃælɪndʒ]挑战

challenging adj.有挑战性的

【例4】AIDScontrolandpreventionisa___toChinaaswellasthewholeworld.

A.surprise B.challenge C.reactionD.threat

【例4】AIDScontrolandpreventionisa___toChinaaswellasthewholeworld.

A.surprise B.challenge C.reactionD.threat

惊喜 挑战 反应 威胁

4.character[‘kærəktə]性格，特征；汉字；人物 “字如其人” 汉字性格

【例5】Heprovedhimselfatruegentlemanandthebeautyofhis___wasseenasitsbestwhenheworkedwithothers.A.temper B.appearance C.talent D.character

【例5】Heprovedhimselfatruegentlemanandthebeautyofhis___wasseenasitsbestwhenheworkedwithothers.A.temper B.appearance C.talent D.character 脾气 外观,外表 天赋 性格5.charge[tʃɑːdʒ]费用，管理takechargeof负责，接管inchargeof负责，主管inthechargeofsb.由某人负责nocharge免费，不需付钱【例6】CouldIspeakto___isinchargeofInternationalSales,please?A.anyoneB.someoneC.whoeverD.nomatterwhich【例6】CouldIspeakto___isinchargeofInternationalSales,please?A.anyoneB.someoneC.whoeverD.nomatterwhich+ever强调任一性宾语从句缺主语6.concern[kən‘sɜːn]vt.涉及，关心concernsb/sth关心...beconcernedabout/for关心beconcernedwith涉及，与…有关例：Thisnovelisconcerned___theSecondWorldWar,whilemostteenagersaremorecorcerned___thelovestory.

魂断蓝桥例：Thisnovelisconcerned_with__theSecondWorldWar,whilemostteenagersaremorecorcerned_about__thelovestory.【例7】There’sa

inourofficethatwhenit’ssomebody’sbirthday,theybringinacakeforusalltoshare.A.tradition B.balance C.concern D.relationship【例7】There’sa

inourofficethatwhenit’ssomebody’sbirthday,theybringinacakeforusalltoshare.A.tradition B.balance C.concern D.relationship传统 平衡 涉及,关心 关系7.consider[kən‘sdə] 考虑considerdoingsth.考虑做某事considersb./sth.as/tobe…把某人/某物当做…【例8】CharlesBabbageisgenerallyconsidered___（invent）thefirstcomputer.【例8】CharlesBabbageisgenerallyconsidered_tohaveinvented（invent）thefirstcomputer.

todo没发生tohavedone已发生8.cover覆盖，代替，封面 【例9】—Will$100

thecostofthedamage?—I’mafraidnot.Ineedatleast$200more.A.doB.include C.cover D.afford

【例10】$100amonthcouldhardly____thecostofhislifeinsuchabigcityinthiscountry.

A.spendB.take C.cover D.meet8.cover覆盖，代替，封面 【例9】—Will$200

thecostofthedamage?—I’mafraidnot.Ineedatleast$100more.A.doB.include C.cover覆盖 D.afford人做主语

【例10】$100amonthcouldhardly____thecostofhislifeinsuchabigcityinthiscountry.

A.spendB.take C.cover D.meetPart3高考常见易混词辨析

1.改变：change,alter,vary,turn 2.花费：take,spend,cost,pay 1.改变：change,alter,vary,turn(1)change：翻天覆地的大变化，变得与原物完全不同例：Ihavechangedmymind.(2)alter：局部的、外表的变化，本质不变例：Thisdressneedalteringalittle.(3)vary：一系列的变化，强调种类多样，连续变化

variousa.多种多样的例：Customsvarywiththetimes.(4)turn：变成，强调变化的结果例：Inthiscartoonfairytaleaprinceturnsintoafrog.2.花费：take,spend,cost,pay(1)ittakessb.+time+todosth.做某事需要…时间例：Ittookme15minutestofinishthisjob.(2)spend:sb.spend(s)+time/money+(in)doingsth例：Ispent15minutesdoingthiswork.(3)cost:sth.cost(s)+sb.+money某物花费了某人…钱例：我花了30元买这本书。(4)pay:sb.pay(s)+money+forsth.【例题11】Iboughtanewdictionaryandit____me30yuan.A.paidB.spentC.tookD.cost【例题11】Iboughtanewdictionaryandit____me30yuan.A.paidB.spentC.tookD.costPart4开阔思路记单词coincidence[kəʊ'ɪnsɪd(ə)ns]巧合coin硬币→玩扔硬币的游戏，正反纯属巧合。college[‘kɒlɪdʒ]学院“靠立志”→立志才能考上大学cruel[kruəl]残酷的“骷髅哦”→太残酷了Part5高考必背短语

1.callfor号召，需要

callin召集

callon拜访，访问

callup号召，打电话

【例12】It’sthesortofworkthat___ahighlevelofconcentration.A.callsfor B.makesup C.liesinD.standsfor【例12】It’sthesortofworkthat___ahighlevelofconcentration.集中A.callsfor B.makesup C.liesinD.standsfor 需要 弥补,化妆 位于 代表,替代

2.carryon继续 carryout开展，执行

【例13】Themealover,themanagerswentbacktothemeetingroomto___theirdiscussion.

A.putaway B.takedown C.lookover D.carryon

【例13】Themealover,themanagerswentbacktothemeetingroomto___theirdiscussion.

A.putaway B.takedown C.lookover D.carryon放好,储