通用版2021版高考英语大一轮复习预习案Unit4Globalwarming课件新人教版选修6.pptx

Unit 4Unit 4Global warmingGlobal warming-2-必背表达单词写作信手拈来1. n.量;数量2.vi.趋向;易于;照顾vt.照顾;护理3.n.趋势;倾向;走向4.vt.反对;反抗;与(某人)较量5.adj.反对的;对立的6.vt.陈述;说明7.n.种类;范围8.vi.看一下;扫视 n.一瞥9.adj.平稳的;持续的;稳固的quantitytendtrendopposeopposedstaterangeglancesteady-3-10.adv.平稳地;持续地11.n.倾向;趋势12.adj.分布广的;普遍的13.adj.平均的14.n.生存;存在15.adj.外部的;外面的16.vt.拥护;提倡;主张17.n.环境;情况18.vt.使恢复;使振动19.n.教育工作者;教育家20.n.贡献steadilytendencywidespreadaverageexistenceouteradvocatecircumstancerefresheducatorcontribution-4-识记阅读单词读文理解通畅1.consumevt.2.graphn.3.randomadj.4.phenomenonn.5.subscribevi.vt.6.fueln.7.measurementn. 8.perprep.9.datan.10.catastrophen.11.floodn.12.mildadj.消费;消耗;耗尽;吃完图表;坐标图;曲线图胡乱的;任意的现象同意;捐赠;订阅(签署)文件;捐助燃料衡量;测量;尺寸每;每一资料;数据大灾难;浩劫洪水;水灾温和的;温柔的;淡的-5-13.environmentaladj.14.consequencen. mitmentn. 16.pollutionn.17.growthn.18.electricaladj.19.casualadj.20.motorn.21.cann.22.microwaven.23.presentationn. 24.nuclearadj.25.disagreementn.环境的结果;后果;影响承诺;交托;信奉污染;弄脏增长;生长电的;与电有关的随便的;漫不经心的;偶然的发动机容器;罐头微波炉;微波显示;演出核的;核能的;原子核的分歧;不一致-6-语用规律归纳1.名词变复数的不规则变化phenomenonphenomena现象criterioncriteria标准mediummedia媒体datumdata数据bacteriumbacteria细菌-7-2.与“电”有关的单词荟萃electricadj.电的;电动的electricaladj.电的;用电的electricityn.电;电流electriciann.电工;电器技师electronicadj.电子的electricsn.电学powern.电力;电源-8-3.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-9-构织连脉词族1.consumeconsumer n.消费者consumptionn.消费2.quantityqualityn.质量(形近词)3.tendtendencyn.倾向;趋势4.opposeopposedadj.反对的;对立的5.consequenceconsequentadj.作为结果的;随之发生的consequentlyadv.因此;所以6.steadysteadilyadv.平稳地;持续地7.existenceexistvi.存在8.growthgrowvi.生长;增加9.casualcasuallyadv.偶然地;漫不经心地10.presentationpresentvt.呈现;赠送-10-语境活用1.Theaverage(平均的)temperatureranges (在变动)between23and39and51%oftheislandiscoveredwithforests.2.Theseeducators (educate)havemadegreatcontributions(contribute)totheeducationofthecountry.3.Withthesubscriptionfromthekind-heartedpeople,theteachersubscribedtosomenewspapersforthepoorchildren.(subscribe)4.Theairconditionersofthistypeconsumetoomuchelectricityaboutwhichmanyconsumerscomplain.(consume)5.Asaconsequence(consequent),theycantconcentrateontheirstudyandhaveatendency(tend)tobesleepyinclass.-11-eabout发生;造成2.subscribeto同意;赞成;订购3.quantitiesof大量的4.goup上升;增长;升起5.resultin导致6.beopposedto反对7.evenif即使8.keepon继续9.onthewhole大体上;基本上10.onbehalfof代表一方;作为的代言人11.putupwith忍受;容忍12.solongas只要13.andsoon等等-12-语境活用1.AmythoughtitworthwhiletoreadEnglishnewspaperseverydaysoshesubscribed tothe21stCentury.2.Inthatcase,wewillhavetolearntoput up withsomeofhisshortcomingsandtrytodiscoverhisadvantages.3.Opposed totheplanofraisingprices,thepublicdecidedtogoonstrikeonSunday.4.Forgettingtochecktheweatherforecastbeforeheadingoutshouldresult inyourgettingwet.5.Iwillneverunderstandhowitcame aboutthatyoumadesuchacarelessmistake.-13-语用规律归纳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-14-领悟教材语境1.Thereisnodoubtthattheearthisbecomingwarmerandthatitishumanactivitythathascausedthisglobalwarmingratherthanarandombutnaturalphenomenon.(Page26)考点提炼 Thereisnodoubtthat.毫无疑问2.ItisOKtoleaveanelectricalapplianceonsolongasyouareusingitifnot,turnitoff!(Page30)考点提炼 solongas=aslongas“只要”,引导条件状语从句-15-高考写作情景1.毫无疑问,是老师的鼓励给了我继续学习的勇气。There was no doubt that it was the teachers encouragement that gave me the courage to go on with my study.2.只要我们不失去信心,继续努力,我们一定能克服困难,实现目标。So/As long as we dont lose heart and keep on trying,well overcome difficulties and achieve our goal.-16-主题与语篇填空Thereisnodoubt1.thattheearthisbecomingwarmerbutthereisafiercedebateoverwhetheritishumanactivitythathascausedthisglobalwarming2.oritisjustanaturalphenomenon.ManyscientistslikeDrJaniceFosterbelievethatpeoplehavecaused3.theincreaseintheearthstemperaturebyburningfossilfuelslikecoal,naturalgasandoiltoproduceenergywhosebyproducts4.are called(call)“greenhouse”gases,themostimportantone5.being(be)carbondioxide.Thesegasestrapheatfromthesunandthereforewarmtheearth,without6.whichtheearthwouldbeaboutthirty-threedegreesCelsiuscooler7.thanitis.But8.increased(increase)amountofextracarbondioxidemeansthatmoreheatenergyistrappedintheatmospherecausingtheglobaltemperaturetogoup.-17-9.Ontheotherhand,scientistslikeGeorgeHambleybelievethatanywarmingwillbemildwithfewbadenvironmentalconsequencesandmorecarbondioxideis10.actually(actual)apositivething.-18-主题与短文改错Iamdoingaprojectonbehalfofmyschoolaboutglobalwarming.SometimesIfeltthatindividualscannothaveanyeffectatsuchhugeenvironmentalproblems.Anyway,Imnotsurewheretostartitwithmyproject.SoIwouldlovetogetanysuggestion.Itissuggestedthatwetookmanymeasures.Forexample,wecanbuythingsmakingfromrecycledmaterials.Plantingtreesisalsogoodway.Important,wecanaskyourfamilyandfriendstoworktogetherwithus.Wecangetourparentstobuyproductsthataremadetosaveenergy.Rememberingourcontributioncounts.-19-答案: