2021高考英语大一轮复习Unit4Globalwarming课件新人教版选修6.pptx

《2021高考英语大一轮复习Unit4Globalwarming课件新人教版选修6.pptx》由会员分享，可在线阅读，更多相关《2021高考英语大一轮复习Unit4Globalwarming课件新人教版选修6.pptx（31页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、Unit 4Unit 4Global warmingGlobal warming考点一-2-【识记阅读单词】1.consumevt.消费;消耗;耗尽;吃完2.graphn.图表;坐标图;曲线图3.randomadj.胡乱的;任意的4.phenomenonn.现象5.subscribevi.同意;捐赠;订阅vt.签署(文件);捐助6.fueln.燃料7.perprep.每;每一8.catastrophen.大灾难;浩劫mitmentn.承诺;交托;信奉10.motorn.发动机11.cann.容器;罐头12.microwaven.微波炉;微波13.presentationn.显示;演出14.nu

2、clearadj.核的;核能的;原子核的.单词单词 由简到难,水到渠成Thefirststepisasgoodashalfover.考点一-3-【拼写高频单词】1.quantityn.量;数量2.tendvi.趋向;易于;照顾vt.照顾;护理3.datan.资料;数据4.trendn.趋势;倾向;走向5.floodn.洪水;水灾6.mildadj.温和的;温柔的;淡的7.statevt.陈述;说明8.rangen.种类;范围9.glancevi.看一下;扫视n.一瞥10.tendencyn.倾向;趋势11.widespreadadj.分布广的;普遍的12.averageadj.平均的13.ou

3、teradj.外部的;外面的考点一-4-14.advocatevt.拥护;提倡;主张15.pollutionn.污染;弄脏16.electricaladj.电的;与电有关的17.casualadj.随便的;漫不经心的;偶然的18.circumstancen.环境;情况19.refreshvt.使恢复;使振作20.educatorn.教育工作者;教育家考点一-5-【拓展核心单词】1.opposevt.反对;反抗;与(某人)较量opposedadj.反对的;对立的2.consequencen.结果;后果;影响consequentadj.作为结果的3.steadyadj.平稳的;持续的;稳固的ste

4、adilyadv.平稳地;持续地4.existencen.生存;存在existvi.生存;存在;有5.pollutionn.污染;弄脏pollutevt.污染6.growthn.增长;生长growv.增长;生长7.contributionn.贡献contributev.捐助;贡献8.disagreement n.分歧;不一致agreementn.协定;协议agree vi.达成协议;同意考点一-6-1.名词变复数的不规则变化phenomenonphenomena现象mediummedia媒体datumdata数据criterioncriteria标准bacteriumbacteria细菌2.与

5、“电”有关的单词荟萃electricadj.电的;电动的electricaladj.电的;与电有关的electricityn.电;电能electriciann.电工;电学家electronicadj.电子的electricsn.电学powern.电力;电源考点一-7-3.与“灾难”有关的名词集锦earthquake地震catastrophe大灾难disaster灾难flood洪灾survivor幸存者victim受难者4.average用法小结anaverageof平均有(后跟数词)onaverage平均起来aboveaverage平均以上belowaverage平均以下averageout算

6、出平均数考点一-8-5.advocate用法小结advocatedoingsth.主张做某事anadvocateof的倡导者advocatethat.(should)dosth.提倡做某事6.quantity用法小结alargequantityof大量的quantitiesof大量的inquantity大量的考点一-9-【识记】1.subscribeto同意;赞成;订购2.keepon继续3.onthewhole大体上;基本上.短语短语化难为简,轻松记忆Learntowalkbeforeyourun.考点一-10-【默写】1.发生;造成come about2.大量的quantities of3

7、.上升;增长;升起go up4.导致result in5.反对be opposed to6.即使even if7.代表一方;作为的代言人on behalf of8.忍受;容忍put up with9.只要so long as10.等等 and so on考点一-11-1.“动词+about”短语荟萃comeabout发生bringabout带来thinkabout考虑learnabout得知2.“动词+up with”结构的短语一览catchupwith跟上(强调动作)keepupwith与同步;跟上(强调状态)putupwith忍耐;忍受comeupwith提出;想出endupwith以结束

8、考点一-12-1.Thereisnodoubtthattheearthisbecomingwarmer.毫无疑问,地球正在变暖考点提炼Thereisnodoubtthat.句型。that引导同位语从句,解释说明doubt的内容。2.ItisOKtoleaveanelectricalapplianceonso long asyouareusingitifnot,turnitoff!只要你在使用电器设备,你便可以让它开着。如果不用就把它关掉!考点提炼so/aslongas“只要”,引导条件状语从句。.高频句型高频句型分析探究,融会贯通Nothingisimpossibletoawillinghea

9、rt.考点一-13-1.毫无疑问,这些理论全都是错误的。There is no doubt that these theories are all wrong.2.只要你每天都不虚度,你就会成功。Youll make it so long as you make every day count.考点一-14-Allscientistssubscribetotheviewthattheincreaseintheearthstemperatureisduetotheburningoffossilfuelslikecoal,1.natural(nature)gasandoiltoproduceene

10、rgy.Somebyproductsofthisprocess2.are called(call)“greenhouse”gases,themostimportantoneof3.whichiscarbondioxide.DrJaniceFosterexplains:“There4.is(be)anaturalphenomenonthatscientistscallthegreenhouseeffect.Thisiswhensmallamountsof5.gases(gas)intheatmosphere,likecarbondioxide,methaneandwatervapour,trap

11、heatfromthesunandthereforewarmtheearth.语篇填空语篇填空旧材新用,探究根源Killtwobirdswithonestone.考点一-15-6.Withoutthegreenhouseeffect,theearthwouldbeaboutthirty-threedegreesCelsius7.cooler(cool)thanitis.So,weneedthosegases.Theproblembeginswhenweaddhuge8.quantities(quantity)ofextracarbondioxideintotheatmosphere.9.Itm

12、eansthatmoreheatenergytendstobetrappedintheatmosphere10.causing(cause)theglobaltemperaturetogoup.”考点二-16-核心词汇核心句式1.tend vi.趋向;易于;照顾vt.照顾;护理派生tendencyn.趋向;倾向(常与to/towards连用)领悟高考究考法用tend的适当形式填空(1)Readersalsotosharearticlesthatwereexcitingorfunny.(2016全国,阅读理解D)读者们也往往分享让人激动或有趣的文章。(2)HealwayshasatoLatinm

13、usic.他对拉丁音乐一直情有独钟。tendedtendency考点二-17-核心词汇核心句式翻译句子(3)Peoplewhoeatslowlytendtoconsumeabout70fewercaloriespermeal.(2015课标全国,阅读理解B)_(4)Manypeopletendtotalkabouttraditionswithoutknowingwhattheyreallyare.(2018全国,阅读理解C)_(5)Doctorsandnursestendedtheinjured._吃饭慢的人每顿饭往往要少摄入大约70卡路里。许多人在谈论传统时往往不知道它们到底是什么。医生和护

14、士护理受伤者。考点二-18-核心词汇核心句式2.result in导致;引起(句子的主语是原因,宾语是结果)领悟高考究考法完成句子完成句子(1)Humandevelopmentfewerlanguages.(2018全国,阅读理解C)人类发展导致语言减少。(2)Asweallknow,hissuccesshishardwork.众所周知,努力工作使他取得了成功。resultsinresultedfrom考点二-19-核心词汇核心句式(3)Theexamwasofvitalimportanceforme.,Ihadnochoicebuttocompletelyfocusonmystudy.这次考

15、试对我来说非常重要,因此,我别无选择只好集中全部精力学习。(4)Wesimplyweightoomuch,alotofpressure.(2014重庆,阅读理解C)我们只是太重了,导致压力很大。Asaresultresultingin考点二-20-核心词汇核心句式联想拓展记考点(1)resultfrom.“由而引起,因而导致”;宾语是导致某事的原因,主语是结果。(2)asaresult“结果(做状语)”;常置于句首,并用逗号和后面的句子隔开。(3)asaresultof.“由于”;在句中特指引起某种结果的原因时,用定冠词代替不定冠词a。(4)withoutresult毫无结果。考点二-21-核

16、心词汇核心句式3.oppose vt.反对;反抗;与(某人)较量领悟高考究考法完成句子(1)Thisthe“earlybird”schedule.(2014四川,阅读理解D)这与“早起的人”的作息时间表相反。(2)Hetobuildanewhall.他反对修建新礼堂的建议。(3)Manypeoplearestronglyopposedtoanewfactoryhere.许多人反对在这里建立一家新工厂。isopposedtoopposedthesuggestionbuilding考点二-22-核心词汇核心句式联想拓展记考点(1)opposesth./doingsth./sb.doingsth.反

17、对某事/做某事/某人做某事opposesth.to/againststh.使某事物与另一事物对照或对抗(2)opposedadj.反对的;对立的beopposedto.反对;与对立考点二-23-核心词汇核心句式4.range n.种类;范围;幅度;界限v.(在一定范围内)变动;变化;排列领悟高考究考法完成句子(1)Whiletheyarerarenorthof88,thereisevidencethattheyallthewayacrosstheArctic.(2019全国,语篇填空)虽然北极熊在北纬88度的地方很少见,但有证据表明它们遍及整个北极。(2)Afterthestadiumisse

18、tup,sportseventswillbeheld.体育场建成后,将举行广泛的体育活动。(3)Cupsandplateswereneatlyonhershelves.杯子和盘子整齐地排列在她的架子上。rangeawiderangeofranged考点二-24-核心词汇核心句式联想拓展记考点(1)awiderangeof一系列;种类繁多(2)in/outoftherangeof.在/超出的范围(3)rangefrom.to.在范围内变动;包括由到之间的各类事物(4)rangebetween.and.在和范围内变动考点二-25-核心词汇核心句式It is OK to leave an elect

19、rical appliance on so long as you are using it if not,turn it off!只要你在使用电器设备,你便可以让它开着,如果不用就把它关掉!分析提炼究考法(1)so/aslongas“只要”,引导条件状语从句。aslongas还可表示“与一样长”。(2)aswellas也;和;和一样好(3)assoonas一就(4)asfaras就而言;至于;远到考点二-26-核心词汇核心句式领悟考法用考点用as long as,as far as,as soon as或as well as填空(1)Theprogramhasreallyhelpedmeto

20、improvemyconfidenceandsocialskillsmyschoolgrades.(2)yousticktoyourgoal,youhaveamuchhigherchanceofsuccess.(3)Iamconcerned,onlybystudyinghardatordinarytimecanyousucceedeventually.(4)Thislinemeasuresfourtimesthatone.(5)Dr.Welchneededmedicinepossible.(2016北京,完形填空)aswellasAslongasAsfarasaslongasassoonas-

21、27-.单句填空1.Notallthepeoplepresentwere(oppose)towhathestated.2.Thepublicshouldbe(educate)inhowtouseenergymoreeffectively.3.Manyexpertsadvocate(reward)yourchildforgoodbehaviour.4.ThewarmingoftheEarthandthe(consequence)climaticchangesaffectusall.5.Nooneknowswhensuchacustomcameinto(exist).6.Weshouldbeabl

22、etodothejobforyouquickly,solongyougiveusallthenecessaryinformation.opposededucatedrewardingconsequentexistenceas-28-7.Thenationalparkhasalargecollectionofwildlife,(range)frombutterfliestoelephants.8.Manypeopletend(eat)alotoffruitandvegetablesbecausetheythinkfruitandvegetablescontainalotofvitamins.ra

23、ngingtoeat-29-.单句改错1.Howdoesitcomeoutthatheissobadly-offwhenheearnsquiteagoodsalary?_2.Thereissomedoubtthattheirfootballteamwillwinthematch._3.Onthebehalfofallmyfellowstudents,Iwishtosayawordofheartythankstoyou._4.Atpresent,alargequantityoffoodandwaterareneededinthefloodedarea._5.Sheseemsverymuchopp

24、osedyourgoingabroad._outaboutthatwhether删除theareisopposed后加to-30-6.Afterdrinkingabottleofjuice,Ifeltrefreshing._7.Asaresultthepilotsstrike,alltheflightshadtobecancelled._8.Itseemsthatfoodpricesarerisingsteady,butthemoneyJennyearnskeepsthesame._9.Atpresent,alargequantityoffoodandwaterareneededintheea

25、rthquake-hitarea._10.Circumstancepermitting,Illgoabroadtostudy._refreshingrefreshedresult后加ofsteadysteadilyareisCircumstanceCircumstances-31-.写作训练1.男孩往往喜欢打篮球。(tend)Boys.2.这个宾馆提供一系列的服务。(range)Thehoteloffers.3.我反对你单独去那儿。(oppose)Ialone.4.我不能容忍这种行为。(putupwith)Icantofthiskind.5.他努力学习,结果通过了考试。(asaresult)Hestudiedhardand.tendtoenjoyplayingbasketballawiderangeofserviceopposeyou/yourgoingthereputupwiththebehaviorasaresult,hepassedtheexam