高考英语一轮复习 Unit 4 Global warming课件 新人教版选修6.ppt

,选修6Unit4Globalwarming,重点单词,1._vt.消费；消耗；耗尽；吃完2._adj.胡乱的；任意的3._n.现象_(复数)4._vi.同意；捐赠；订阅vt.（签署）文件；捐助5._n.量；数量_n.质量6._vi.趋向；易于；照顾vt.照顾；护理_n.倾向；趋势7._prep.每，每一8._n.资料；数据9._n.趋势；倾向；走向10._n.大灾难；浩劫,consumerandomphenomenonphenomenasubscribequantityqualitytendtendencyperdatatrendcatastrophe,（学生用书见P149）,重点单词,11._vt.反对；反抗；与（某人）较量_adj.反对的；对立的12._adj.温和的；温柔的；淡的13._n.结果；后果；影响_adj.随后发生的；作为结果的_adv.因此；所以14._v.陈述；说明_n.声明；陈述；说明；表白15._n.种类；范围16._vi.看一下；扫视n.一瞥17._adj.平稳的；持续的；稳固的_adv.平稳地；持续地18._adj.分布广的；普遍的19._adj.平均的,opposeopposedmildconsequenceconsequentconsequentlystatestatementrangeglancesteadysteadilywidespreadaverage,重点单词,20._n.生存；存在_vi.存在21_n.个人；个体adj.单独的；个别的22._vt.拥护；提倡；主张23._n.承诺；交托；信奉24._adj.电的；与电有关的25._adj.随便的；漫不经心的；偶然的26._n.环境；情况27._vt.使恢复；使振奋28._n.贡献_vt.贡献29._n.显示；演出30._n.分歧；不一致_vi.不同意；不一致,existenceexistindividualadvocatecommitmentelectricalcasualcircumstancerefreshcontributioncontributepresentationdisagreementdisagree,重点短语,1._产生；造成2._同意；赞成；订购3._大量的4._逐步建立；增加；增进5._上升；增长；升起6._导致7._反对8._即使9._继续10._大体上；基本上11._代表一方；作为的代言人12._忍受；容忍13._只要14._等等,comeaboutsubscribetoquantitiesofbuildupgoupresultinbeopposedofevenifkeepononthewholeonbehalfofputupwithsolongasandsoon,1.“thereisnodoubtthat”结构Thereisnodoubtthattheearthisbecomingwarmerandthatitishumanactivitythathascausedthisglobalwarmingratherthanarandombutnaturalphenomenon.(教材P26)2.as/solongas和ifnot的用法ItisOKtoleaveanelectricalapplianceonsolongasyouareusingitifnot,turnitoff！(教材P30),重点句型,it的用法（）Itishumanactivitythathascausedthisglobalwarming.(教材P26),语法要点,quantityn量；数量Theproblembeginswhenweaddhugequantitiesofextracarbondioxideintotheatmosphere.当我们向空气中排放大量多余的二氧化碳时，问题就开始出现了。(教材P26),（学生用书见P150）,aquantityof大量的不可数名词可数名词复数形式inquantity/inlargequantities大量地(2)qualityn.质量,(1),许多的；大量的,quantitiesof+,温馨提示：“aquantityof+不可数名词”作主语时，谓语动词用单数；“aquantityof+可数名词的复数形式”作主语时，谓语动词用复数（有些语法家认为用单数）；“quantitiesof+可数名词或不可数名词”作主语时，谓语动词用复数。,Largequantitiesofinformationhavebeencollected.已经收集了大量信息。Quantitiesofnutsareonthetable.大量的坚果放在桌子上。Alargequantityofmilkwasreportednottoreachthestandard.据报道，大量的牛奶不达标。Alargequantityofdrugswerefoundinhisroom.在他的房间发现了大量毒品。Itsalotcheaperifyoubuyitinquantity.如果你大量购买要便宜得多。Nowmanycompaniesaremoreconcernedwithqualitythanwithquantity.现在很多公司重视质量胜过产量。,tendvi.趋向；易于；照顾vt.照顾；护理Itmeansthatmoreheatenergytendstobetrappedintheatmospherecausingtheglobaltemperaturetogoup.(教材P26)这意味着更多的热量被困在大气层中，从而引起全球温度上升。,tend（not）todosth.倾向于/易于/往往（不）做某事tend(to)sb.照顾，护理某人tendto/towardssth.倾向于，趋于某事attendto注意；照顾；专心于/致力于某事tendencyn.倾向；趋势haveatendencytodosth.有做某事的倾向；可能性,（1）,（3）,Shetendstogetangrywhenothersdisagreewithher.别人不同意她的看法时，她总是容易生气。Womentendtolivelongerthanmen.女人多比男人长寿。Shetended(to)herhusbandcarefullyduringhisillness.丈夫生病期间，她悉心照料。Youdbetterattendtoyourownbusiness.你还是管好自己的事情吧！Thesituationisshowingatendencytoimprove.形势有好转的倾向。Hehasatendencyto/towardssuicide.他有自杀的倾向。,opposevt.反对；反抗；与(某人)较量Ontheotherhand，therearethose，likeGeorgeHambley，whoareopposedtothisviewandbelievethatweshouldnotworryabouthighlevelsofcarbondioxideintheair.（教材P27）在另一方面，还有一些人，像科学家乔治汉布利，反对上面的观点，他们认为我们不必担心空气中高含量的二氧化碳。,opposesth./doingsth./sb.doingsth.反对某事/做某事/某人做某事opposedadj.相反的；对立的beopposedto.反对；与对立,(2),Manypeopleopposedtheideaofbuildinganewhighwaybecauseofthegreatcost.由于需要巨额开支，许多人反对另修一条新公路的主意。Theparentsstronglyopposedtheirdaughtergoingtherealone.父母极力反对女儿单独去那里。LeadersofmanycountriesopposemilitaryactionagainstIraq.许多国家的领导人反对对伊拉克采取军事行动。Wearefirmlyopposedtothepracticeofpowerpoliticsbetweennations.我们坚决反对国与国之间实行强权政治。Asmodernuniversitystudents,weshouldbeopposedtothefeudalideology.作为当代大学生，我们应该反对封建思想。,statevt.陈述；说明n.国家；州；状态Infact,Hambleystates,“Morecarbondioxideisactuallyapositivething.”（教材P27）汉布利实际上是这样说的：“二氧化碳含量增加实际上是件好事。”,stateonesopinion/view陈述见解state+that-clause陈述；声明；阐明Itis/wasstatedthat.据称(2)ina.state/inastateof.处于状态statementn.陈述；声明makeastatement发表声明,(1),(3),Everyonepresentwasaskedtostatetheirownviewsoverthismatter.所有在场的人都被要求就此问题发表观点。ThewitnessstatedthatshehadneverseenMr.Smith.证人宣称她以前从未见过史密斯先生。SouthAfricasfirstblackpresidentandanti-apartheidiconNelsonMandelahasdiedattheageof95.PoliticalleadersfromallovertheworldmadestatementsoftheirownaboutMandela.南非首位黑人前总统，反抗种族隔离政策的政治领袖纳尔逊曼德拉逝世，享年95岁。各国政要纷纷致辞表示对曼德拉的悼念。,Imaginethatyouworkforthestateofficeofculturalrelics.假设你在国家文化遗产保护办公室工作。AlaskaisastatefarfromAmerica.阿拉斯加是远离美国本土的一个州。Mostmatterhasthreestates:solid,liquidandgas.大多数物质有三种状态：固态、液态和气态。Theroadsareinaterriblestateaftertheseverewinterweather.严冬过后，这些公路的路况极差。,glancevi.ingeneral)Onthewholethewarmingoftheearthisaphenomenonthatcausesgreatconcern.(教材P28)总的来说，地球变暖是引起广泛关注的一个现象。,asawhole总体上；作为一个整体,Onthewhole,Imsatisfiedwithherprogress.总的来说，我对她的进步是满意的。Wemustthinkaboutthesemattersasawhole.我们必须全盘考虑这些事。Isthecollectiongoingtobedivideduporsoldasawhole?这个集子是要分开卖还是整个卖掉？,putupwith忍受；容忍Wedonothavetoputupwithpollution.(教材P30)我们不必忍受污染。,putupsth.举起，抬起；建造，搭建（房屋等）；张贴putsb.up向某人提供食宿,Icanputupwithmanythings,butnotwithpeoplewhosteal.我能容忍很多事情，但绝不容忍小偷小摸的人。Imnotgoingtoputupwiththeirsmokinganylonger.我再也不容忍他们抽烟了。Wecanputyouupforthenight.我们可以留你过夜。,“thereisnodoubtthat”结构Thereisnodoubtthattheearthisbecomingwarmer(seeGraph1)andthatitishumanactivitythathascausedthisglobalwarmingratherthanarandombutnaturalphenomenon.(教材P26)毫无疑问，地球正变得更加暖和(见图表1)，而且全球转暖是人为的，而不是随意的自然现象。,（学生用书见P153）,在本句型中，that从句是同位语从句，表示doubt的内容。用法与thereisachancethat.是一样的。(1)doubt作为名词，若用在否定句或疑问句中，后面接that引导的同位语从句；若用在肯定句中，后面接whether引导的同位语从句。注意此时不可以用if替换whether。(2)doubt作为动词，若用于否定句和疑问句中，后面接that引导的宾语从句；若用于肯定句中，后面一般接whether或if引导的宾语从句。,Thereisnodoubtthattheywillagreewithyouonthismatter.毫无疑问，他们在这件事上会同意你的。Thereisnodoubtthatradioandtelevisionareimportantmeansofinformationcommunication.毫无疑问，收音机和电视机是信息交流的重要方式。Ihavenodoubtthathewillsucceed.我相信他会成功的。Theressomedoubtwhetherheisfitforthejob.他是否胜任这项工作有点疑问。Hedoubtsifshewillkeepherword.他不敢肯定她是否会遵守诺言。Idontdoubt/havenodoubtthathewillwintherace.我坚信他将赢得比赛。,as/solongas和ifnot的用法ItisOKtoleaveanelectricalapplianceonsolongasyouareusingitifnot，turnitoff！(教材P30)只要你在使用电器设备，你便可以把它开着，如果不用就把它关掉！,solongas=aslongas,意为“只要”,引导条件状语从句。,aslongas只能用于肯定句中，而solongas既可用于肯定句又能用于否定句。aslongas亦可用来表示时间，具体物品等“长达”。,温馨提示：,Youmayborrowthebookaslongas/solongasyoukeepitclean.只要你不把书弄脏，就可以借给你。Solongas/Aslongasyouhaveconfidenceinyourself，youllwin.只要你有自信，你会获胜的。Youmayusetheroomasyoulikesolongasyoucleanitupafterwards.你尽可随意使用这个房间，只要你过后打扫干净就行了。Weneedaropeaslongas30metres.我们需要一条30米长的绳子。Wehaventseeneachotherforaslongas20years.我们有20年没见面了。,ifso如果这样ifany若有ifnecessary如果有必要,ifnot在本句中是ifyouarenotusingit的省略形式。,Ithinkthetrainleavesatmidday.Youdbettertakeataxi.Ifnot，maybeyoullmissit.我想火车是正午开，你最好打的去，否则可能会误车的。Isanybodyfeelingcold？Ifnot，letsputthecentralheatingoff.有谁感到冷？如果没有，就把中央暖气系统关掉。Pointouterrors，ifany.若有错误，请指正。Haveyougotafreeeveningnextweek？Ifso，letshavedinnertogether.下周你哪个晚上有空？如果有空，我们去吃饭吧。Takethiscamerawithyou，ifnecessary.有必要就带上照相机去吧！,.品句填词（用所给词的恰当形式或根据语境写一个合适的词）1.Ivepersonallyneversubscribedtheviewthateithersexissuperiortotheother.Ibelievemenandwomenareequal.【答案】1.to2.Thenationsunemploymentratehasbeenclimbing（stead）sincelastJune,whichdefinitelywillthreatenthenationspeaceanddevelopment.【答案】2.steadily3.Hesubscribedanumberofmagazinesconcernedwithhisresearchsubject.【答案】3.to4.Ineverevenglancedthepoliticalpageofadailypaper,whilemyhusbandwasalwaysdyingforanynewsaboutpolitics.【答案】4.at,（学生用书见P154）,5.MostoftheChinesemoviesproducedin2015reflectedtherealityofthepresentageandrevealthemindofpeople,representingapositive(tend).【答案】5.tendency6.Thereisnolongeranydoubtcarbondioxidedecreasesevaporativecoolingbyplantsandthatthisdecreasedcoolingaddstoglobalwarming.【答案】6.that7.Itisreportedthateverydaylargequantitiesofwastewater(pour)intoriverswithoutbeingcleanedinthisarea.【答案】7.arepoured,8.Thegirltookabookrandomfromtheshelfwhileshewaswanderinginthebookshop.【答案】8.at9.Thewriterisusedto(refresh)himselfwithacupofcoffeewhilewriting.【答案】9.refreshing10.Now(electricity)appliancesarewidelyusedinpeopleshomes.【答案】10.electrical,.单句改错（含词汇和本单元的语法）1.Somecountries,rangefromRwandaandTanzaniainEastAfrica,toEgyptandMoroccointheNorthandSouthAfricaintheSouth,havesteadilyincreasedtheirsciencespending.【答案】rangeranging2.Thereisagrowingtendencyforparentthesedaystostayathometolookaftertheirchildreninsteadofreturntoworkearlier.【答案】returnreturning3.SometimesIhaveproblemsatworkbutinthewholeIenjoymyjobandammakingprogressstepbystep.【答案】inon4.Inanycase,youmustkeepinmindthatitisyourexistthatseemstomakesense,forsomeoneneedsyouandlovesyou.【答案】existingexistence5.ItisMary,aswellasseveralotherstudents,thatmakeaspeechonbehalfofourschool.【答案】makemakes,6.ItisJackspridethatIcantputup.Heisalwayspickingatme,lookingdownuponmeandlaughingatmeinfrontoftheothers.【答案】up后加with7.Afterthisclassmeeting,itisThompson,ratherthanotherexcellentstudentswhoaredeterminedtostudyhardandmakecontributionstoourcountrysdevelopmentinthefuture.【答案】areis8.ItisanhonortobeheretospeakonthebehalfoftheMicrosoftResearchCenterandtoparticipateinthisconferencetodiscussthestrategicissuesfacingthiswonderfulanddynamiccityofShanghai.【答案】去掉behalf前的the9.Undernocircumstanceshallwegiveintopressuresorthreatsfromforeigncountries.【答案】circumstancecircumstances10.Inthebiologyclass,wedidseveralexperimentsonsnakes,butourteachertolduswhatitcameaboutthatsnakesproducedpoisonwasamystery.【答案】whathow,.课文语法填空Allscientistssubscribetotheviewthatthegreenhouseeffectleadstoglobalwarming.The1._（burn）offossilfuelsadds