Unit4Globalwarming全球变暖Ⅰ.重要单词聚焦1.vt.消费;消耗;耗尽;吃完2.adj.胡乱的;任意的3.n.现象4.n.燃料5.n.量;数量6.vi.趋向;易于;照顾vt.照顾;护理consumerandomphenomenonfuelquantitytend7.n.资料;数据8.n.趋势;倾向;走向9.n.大灾难;浩劫10.vt.反对;反抗;与(某人)较量11.adj.反对的;独立的12.adj.温和的;温柔的;淡的13.n.结果;后果;影响14.vt.陈述;说明15.n.种类;范围16.vi.看一下;扫视n.一瞥datatrendcatastropheopposeopposedmildconsequencestaterangeglance17.adj.平稳的;持续的;稳固的18.adj.平均的19.n.生存;存在20.vt.拥护;提倡;主张21.adj.随便的;漫不经心的;偶然的22.n.环境;情况23.n.贡献24.n.分歧;不一致steadyaverageexistenceadvocatecasualcircumstancecontributiondisagreementⅡ.重点短语扫描1.come发生;造成2.subscribe同意,赞成,订阅3.go上升;增长;升起4.beto反对……5.keep继续6.thewhole大体上;基本上7.on平均来看average低于/高于平均水平8.putwith忍受;容忍abouttoupopposedononaveragebelow/aboveup9.andso等等10.of大量的11.result导致12.even甚至13.onof代表……一方;作为……的代言人14.soas只要onquantitiesinifbehalflongⅢ.课文原句突破1.Thereisnodoubtthattheearthisbecomingwarmerandthatitishumanactivitythathascausedthisglobalwarmingratherthanarandombutnaturalphenomenon.[信息提取]there’snodoubtthat...意为“……是毫无疑问的”。[例句仿写]毫无疑问,北京奥运会是一个巨大成功。________________________________________BeijingOlympicswasagreatsuccess.【答案】Thereisnodoubtthat2.Evenifwestartreducingtheamountofcarbondioxideandothergreenhousegases,theclimateisgoingtokeeponwarmingfordecadesorcenturies.[信息提取]evenif即使;尽管,引导让步状语从句,与eventhough近义。[例句仿写]即使受到邀请我也不去参加他的晚会。________________________________________,Iwillnotgotohisparty.【答案】EvenifIaminvited3.ItisOKtoleaveanelectricalapplianceonsolongasyouareusingit—ifnot,turnitoff![信息提取]solongas=aslongas“只要”引导条件状语从句。[例句仿写]只要你有自信,你会获胜的。________________________________________________________________,you’llwin.【答案】Solongasyouhaveconfidenceinyourself4.Ittakesalotofenergytomakethingsfromnewmaterials,so,ifyoucan,buythingsmadefromrecycledmaterials.[信息提取]句中take作为“需要”讲,常用于Ittakes...todo...结构。[例句仿写]要想成为一名长跑运动员,需要有体力和耐力。________________________________________________________alongdistancerunner.【答案】Ittakesstrengthandpatiencetobequantityn.量;数量(1)inquantity(=inlargeamounts)/inlargequantities大量地It’salotcheaperifyoubuyitinquantity.如果你大量购买要便宜得多。Mybrotherboughtalargequantityofbooks.我弟弟买了大量的书。Therearelargequantitiesofraininthisarea.这个地区的雨量很大。QuantitiesoffoodandtentsweresenttoWenchuanfromShandong.大量的食品和帐篷被从山东运到汶川。aquantityof后同样可接不可数名词或可数名词的复数形式。但当它作主语时谓语动词一般根据其所修饰的名词而定,而quantitiesof作主语时,不论其后的名词可数或不可数,谓语动词都用复数。1.(2009年福建卷)—Whydoesthelakesmellterrible?—Becauselargequantitiesofwater________.A.havepollutedB.isbeingpollutedC.hasbeenpollutedD.havebeenpolluted【解析】句意为:——这湖水怎么这么难闻?——因为大量的水已经被污染了。本题考查时态、语态及主谓一致问题。water与pollute为被动关系,故排除A项;B表“正被污染”,故排除;largequantitiesof后加名词,谓语动词应与quantities保持一致,故排除C项,答案为D项。【答案】Dopposevt.反对;反抗;与(某人)较量(1)opposesth./doingsth./sb.doingsth.反对某事/做某事/某人做某事Heopposedtheproposaltobuildanewhall.他反对修建新礼堂的建议。Iopposeyou/yourgoingtherealone.我反对你单独去那儿。(2)beopposedto...反对……;与……对立Sheseemsverymuchopposedtoyourgoingabroad.她好像很反对你出国。Tobehonest,Iamopposedtoyourplan.说实话,我反对你的计划。average(1)adj.平均的;普通的;正常的;平常的Theaverageageoftheboysinthisclassisfifteen.这个班级男生的平均年龄为十五岁。Thereisnothingspecialabouthim,heisveryaverage.他没有什么特别的,他非常普通。(2)n.平均数;平均水平;一般水准Myschoolworkiswellaboveaverage.我的学习成绩远远高于平均水平。Onaveragemensmokemorecigarettesthanwomen.平均看来,男子比女子吸烟多。2.Don’texpecttoomuchofhim.Afterall,heisachildof________intelligence.A.averageB.slightC.strangeD.different【解析】根据前句“不要对他期望太大”。可以推断,这个孩子智力水平一般。【答案】Aglance(1)vi.看一下;扫视Heglancedoverhisshouldernervously.他紧张地回头张望。Heglancedoverthemorningpaperandwentout.他匆匆地浏览了晨报然后出去了。(2)n.一瞥;匆匆一看Icouldseeataglancethatitwasn’thisownwork.我一眼就看出这不是他本人的作品。Itookaglanceatthehallandfoundmanyfamiliarfacesamongtheaudience.我扫视了一下大厅,发现观众中有许多熟悉的面孔。3.Afteraquick________atthepatient,thedoctorrangforanambulance.A.glanceB.glareC.gazeD.stare【解析】句意为:在看了病人一眼之后,医生打电话叫了救护车。glance扫视,匆匆一看,一瞥。【答案】Acircumstance环境;情况(常用复数)In/Underthecircumstanceshefeltunabletoacceptthejob.在这种情况下,他觉得无法接受这项工作。In/Undernocircumstancesshouldababybeleftaloneinthehouse.无论如何都不能把婴儿独自留在家里。Circumstancespermitting,I’llgoabroadtostudy.情况允许的话,我要出国学习。4.Undernocircumstances________tomovetoanewplacefarawayfromherworkplace,becauseitisn’tconvenientforherfamilyandherself.A.KarenwillagreeB.willKarenagreeC.KarenwilldisagreeD.willKarendisagree【解析】句意为:因为对于Karen和她的家庭来说搬到远离她的工作地点去住是太不方便,所以她决不同意搬家。题中因为undernocircumstances(决不)这一否定短语开头,故此应用倒装结构,排除A、C。根据句意可以排除D选项。【答案】Bcomeabout产生;发生;没有被动式,有时用it作形式主语,后面跟that引导的主语从句。Thedriverwouldn’ttellmehowtheaccidentcameabout.司机就是不告诉我事故是怎么发生的。I’llneverunderstandhowitcameaboutthatyoumadesuchamistake.我真不明白你居然犯了这么个错误。辨析:comeabout,happen,takeplace与breakout(1)comeabout发生,产生,指要求解释或说明事情发生的理由。经常与how连用。Howdidthesedifferencescomeabout?这些差别是怎样产生的?(2)happen发生,常用词汇,指偶然的,意外的,具体客观事物的发生或出现,尤其指自发的未能预见的事情发生。Luckilytheearthquakedidn’thappeninthecenterofthecity.幸亏地震没有发生在市中心。(3)takeplace发生,指事件或事故的发生是在预料中的并非是偶然的,进而引申为按计划“进行,举行”。Greatchangeshavetakenplaceinourschoolinthepastfewyears.最近几年我们学校发生了很大变化。(4)breakout指战争、火灾、疾病等的突然“发生、爆发”。Afirebrokeoutduringthenight.夜间突然发生了火灾。5.It’salready10o’clock.Iwonderhowit________thatshewa