选修六-Unit-4-课件市公开课一等奖百校联赛优质课金奖名师赛课获奖课件

Unit4Globalwarming1/123晨读狂背2/123类型：分析原因典例：人们在参观动物园时为何喜欢和动物拍照？模板：(广东)[指出现象]Whenvisitingwildlifeparks,manytouristslovetotakephotoswithanimals.3/123[分析原因](引出)Reasonsforthisarevaried.(逐条列出)(旅客)Somepeoplewanttoremembertheirenjoyableandunforgettableexperiencewiththeanimalsbytakingphotoswiththem(第一条).(动物)Besides,animalslikekoalaandpandaaresolovelythatmanytouristscannothelphuggingthemandphotographingwiththem(第二条).4/123词汇过关5/123____________n.现象2.________n.资料;数据3.________n.趋势;倾向;走向4.________n.种类;范围单词拼写rangephenomenondatatrend6/1235._____________n.生存;存在6._____________n.环境;情况7._____________n.微波炉;微波8._____________n.教育工作者educatorexistencecircumstancemicrowave7/1239.__________n.污染;弄脏10._________vi.扫视n.瞥见11._________vt.提倡;主张12._________vt.使恢复;使振作13._________adj.平均average

pollutionglanceadvocaterefresh8/12314.___________adj.电15.___________adj.分布广16.___________adj.温和;温柔17.___________adj.核;核能18.___________adj.胡乱;任意randomelectricalwidespreadmildnuclear9/1231.______________n.消费;消耗____________vt.消费;消耗;耗尽;吃完______________n.消费者(A)单词派生单词拓展consumerconsumptionconsume点拨:类似词还有:assume/assumption。10/1232.______________n.订阅;赞成;捐助______________v.订阅;赞成;捐助______________n.用户;订户;捐助者subscribersubscriptionsubscribe11/1233._____________vt.反对;反抗_____________adj.敌正确;相反_____________adj.相反n.对立面prep.在……对面adv.在对面_____________n.反对;敌对;对面oppositionopposeopposedopposite12/1234.____________adj.随之发生;作为结果____________n.结果;后果;影响____________adv.所以;所以;结果consequentlyconsequenceconsequent13/1235._____________vt.陈说;说明_____________n.陈说;申明statementstate点拨:加-ment变成名词词汇很多,类似词还有：manage/management,arrange/arrangement,agree/agreement,amuse/amusement等。14/1236._____________adv.平稳地;连续地_____________adj.平稳;连续;稳固_____________n.稳健;稳定;平稳steadinesssteadilysteady15/1237.___________vi.趋向;照料vt.照料___________n.倾向;趋势;癖好8.___________adj.随便;偶然___________adv.随便地;漫不经心地tendencycasually

casualtend16/1239._____________n.贡献_____________vt.贡献;出力;投稿_____________n.贡献者;投稿者contributorcontributecontribution17/12310.__________vt.展现;赠予n.礼品;现在____________n.描述;介绍;赠予__________n.提出者;赠予者__________adj.出席;在场;现在__________n.出席;参加;在场presencepresentpresentationpresenterpresent18/123(B)灵活利用1.Thegapbetweentherichandthepoorhasthe_________(tend)tobecomewiderandwider.2.Chinaisoneofthosecountrieswiththemostrapidlygrowingeconomy,andthenationalpowerisbeing________(steady)strengthened.作状语用副词tendency

steadily作宾语用名词19/1233.Upontheirarrival,LiYueandZhangHuawerewarmlywelcomed,andrespectfully,they___________(present)theelderlywithflowersandfruits.解析：作谓语用动词presented20/1234.Manystudentsshowedtheirdeterminationthattheywouldsparenoeffortstoequipthemselveswithknowledgeinordertomake___________(contribute)tothedevelopmentoftheirmotherland.解析：在目标状语inorderto...作动词宾语,故用名词,makecontributionsto为……做贡献。contributions21/1235.Somepeopleareinfavorofthepolicy.Theythinkitisreasonableandfairtocarryoutthepolicy,becausethemoretheoil___________(consume),themoremoneythedriverspay,whichcanavoidtheunnecessarydriving.解析：此结构themore+n.,themore+n....是个惯用句型,定语more修饰名词,复合名词oilconsumption意为“油耗量”。consumption

22/1236.AsaSeniorThreestudent,IamsupposedtoplanourstudyefficientlysothatIcangraspawiderangeofsubjectsandknowledge._____________(consequence),itisessentialformetoallocate(分配)moretimeonsubjectsIamweakin.解析：作状语用副词Consequently

23/123三、短语翻译_____________大量2._____________发生;造成3._____________同意;赞成;订购4._____________上升;增加;升起goupquantitiesofcomeaboutsubscribeto24/1235._____________造成6.______________反对……7._____________即使8._____________继续keeponresultinbeopposedtoevenif25/1239._______________大致上;基本上10.______________代表……一方11.______________忍受;容忍12.______________只要13.______________等等andsoononthewholeonbehalfofputupwithso/aslongas26/1231.我天天在珠江边散步时候,总能够看到江面飘着很多垃圾,如塑料袋、纸屑、果皮等。1.EverydayIwalkalongthePearlRiver,Icanoftenseequantitiesofrubbishsuchasplasticbags,litter,fruitpeelsandsoonfloatingontheriver.四、短语利用27/1232.这些垃圾造成珠江水变得很脏。2.Therubbishresultsinthedirtywater.3.即使我们天天都在叫着要保护环境,不过仍有很多人乱扔垃圾。3.Manypeoplekeeponthrowingrubbishevenifwecalltoprotecttheenvironmenteveryday.28/1234.我真想知道是什么造成这种陋习。4.Iwonderhowthissortofbadhabitcomesabout.5.总来说,我强烈反对而且不能容忍这种行为。5.Onthewhole,Iamstronglyopposedtoandcan’tputupwiththebehaviorofthiskind.29/1236.因为污染,地球面临全球温度上升。6.Theearthisfacingaglobalwarmingbecauseofpollution.30/1237.我代表爱护环境朋友们告诉那些喜欢乱扔垃圾人只要我们注意,我们就能够创造一个漂亮环境。7.Onbehalfofthosewhotakegoodcareoftheenvironment,Iwouldliketosayaslongaswecanbehaveourselves,wecancreateabeautifulenvironment.31/1238.希望大家都能够从我做起,爱护地球。8.Hopefullywecanstartfromourselvestoprotecttheearth.32/123合并：EverydayIwalkalongthePearlRiver,Icanoftenseequantitiesofrubbishsuchasplasticbags,litter,fruitpeelsandsoonfloatingontheriver.ThereisnodenyingthefactthatitistherubbishthatresultsinthedirtywaterinthePearlRiver.Aswecansee,manypeoplekeeponthrowingrubbishevenifwecalltoprotecttheenvironmenteveryday,soIwonderhowthissortofbadhabitcomesabout.

33/123Onthewhole,Iamstronglyopposedtoandcan’tputupwiththebehaviorofthiskind，forwehavetorealizethattheearthisfacingaglobalwarmingbecauseofpollution.Hopefullyandsincerely,onbehalfofthosewhotakegoodcareoftheenvironment,Iwouldliketosayaslongaswecanbehaveourselvesandstartfromourselvestoprotecttheearth,wecancreateabeautifulenvironment.34/123五、词汇使用方法1.Hambleystates,“Morecarbondioxideisactuallyapositivething.”汉布利实际上是这么说:“二氧化碳含量增加实际上是件好事。”(B6P27)ina...state/inastateof...处于……状态Itisstatedthat=Itissaidthat...听说……35/123利用用适当词填空或依据提醒完成以下句子。⑴Thewriterstatedhisviewsinhislatestbook,andsomeofthe_________(state)areofgreatvalue.statements

36/123⑵_______________(听说)thatmorethanthirtypeoplewerekilledinthataccident.⑶Hewas______________________(健康情况不佳).inapoorstateofhealthItisstatedthat37/1232.Planttreesinyourgardenoryourschoolyard,astheyabsorbcarbondioxidefromtheairandrefreshyourspiritwhenyoulookatthem.在你花园或校园里栽种树木,它们能吸收空气中二氧化碳,还能在你观赏时候使你感到清爽。(B6P30)38/123拓展refreshvt.使恢复;使振作refreshingadj.使人振作refreshedadj.振作;精神refreshmentn.(精力)恢复;点心39/123利用用refresh适当形式填空。⑴Hefelt________aftera_______bath.解析：前空作表语用形容词,表示“振作”;后空作定语用形容词,表示“使人振作”。⑵Loveisthegreatest___________inlife.解析：“在“the+adj.”后接名词,句意:“爱情是生活最好提神剂。”refreshedrefreshingrefreshment40/1233.Theproblembeginswhenweaddhugequantitiesofextracarbondioxideintotheatmosphere.当我们在大气层中增加了大量额外二氧化碳时，问题就来了。(B6P26)41/123注意可接不可数名词或可数名词复数。alargequantityof+n.许多(作主语,谓语用单数)largequantitiesof+n.许多(作主语,谓语用复数)inquantity大量地42/123利用用适当词填空或用所给词适当形式填空。⑴Alargequantityofair-conditioners___(have)beensoldsincethetemperatureishigh.has

43/123⑵Largequantitiesofinformation____(have)beencollected.⑶Itischeapertobuygoods___quantity.

inhave44/1234.Itmeansthatmoreheatenergytendstobetrappedintheatmospherecausingtheglobaltemperaturetogoup.这就意味着更多热量被困在大气层中,从而引发全球温度上升。(B6P26)45/123tendtodosth.经常会做某事;往往会做某事;易于做某事tendto/towardsth.趋向;倾向于tendon=lookafter照料46/123利用用适当词填空或用所给词适当形式填空。⑴WhenIamtired,Itend_______(make)mistakes.⑵Hisviewtends___ours.totomake47/1235.Ontheotherhand,therearethose，likeGeorgeHambley,whoareopposedtothisview,believethatweshouldnotworryabouthighlevelsofcarbondioxideintheair.在另首先,还有一些人,像科学家乔治·汉布利,反对上面观点,他们认为我们无须担心空气中含有高含量二氧化碳。(B6P27)oppose(doing)sth.反对……(强调动作)beopposedto反对……(强调状态)48/123利用用所给词适当形式填空或依据提醒完成句子。⑴Peoplewhoareinfavorofpeaceare________(oppose)tonuclearweapon.opposed

49/123⑵ManyresidentsinGuangzhouoppose_______(tear)downtheoldbuildingswhichareculturalrelics.⑶我反对醉驾。I______________________________whiledrunk.amopposedtodriving/opposedrivingtearing50/1236.Itwillencourageagreaterrangeofanimals—allofwhichwillmakelifeforhumanbeingsbetter.它还会促进动物生长——全部这些都能改进人类生活。(B6P27)51/123arangeof一系列;一套(同类)rangebetween...and...在……和……之间改变或变动rangefrom...to...从……延伸到……从……到……不等52/123利用用适当词填空或依据提醒完成句子。⑴Hehasawiderangeofinterests,_______(range)fromchess___canoeing.to

ranging53/123⑵Theiragesrange______25to50.⑶边界从北部山地一直延伸到南部海岸。Thefrontier________fromthenorthernhills___thesoutherncoast.

tofromranges54/1237.Recyclecans,bottles,plasticbagsandnewspapersifcircumstancesallowyouto.把罐头盒、瓶子、塑料袋和报纸回收利用起来。(B6P30)55/123in/underthecircumstances在此种情况下in/undernocircumstances决不;不论怎样都不使用方法意为“环境、情况”时,多用复数形式。56/123利用依据汉语提醒完成以下句子。⑴在这种情况下,最好别告诉他事故情况。__________________________,itisbetternottotellhimabouttheaccident.⑵你不论怎样都不要借钱给他。____________________________youlendhimmoney.

（部分倒装）In/UnderthecircumstancesIn/Undernocircumstancesdo57/1238.Sohowhasthiscomeaboutanddoesitmatter?那么,这种温度增加是怎么产生呢？会产生什么影响呢？(B6P26)使用方法此短语通常与how连用。例句Howdidtheaccidentcomeabout?这个事故是怎样发生? 58/123拓展填入适当词完成以下短语。⑴come_______(偶然)遇见(或发觉)⑵come_______出身于;来自⑶come_______出版;发行;结果是⑷come_______来到;共计;到达⑸come_______变成现实;成为事实trueacrossfromoutto59/1239.Theyalsoagreethatitistheburningofmoreandmorefossilfuelsthathasresultedinthisincreaseincarbondioxide.他们还赞同下述观点,正是因为越来越多燃烧化石燃料造成了二氧化碳增加。(B6P26)60/123resultin=cause引发;造成;造成(后接结果)resultfrom因为……而引发(后接原因)说明表示“造成”词组还有:bringabout,leadto,giveriseto等。61/123利用填入一个适当词。⑴Manyillnessesresult_____lackofexercise.⑵Lackofexerciseresults___manyillnesses.infrom62/12310.Evenifwestartreducingtheamountofcarbondioxideandothergreenhousegases,theclimateisgoingtokeeponwarmingfordecadesorcenturies.即使我们开始降低二氧化碳和其它温室气体数量，在未来几十年或几个世纪内,气候仍会连续转暖。(B6P27)keepdoingsth.不停地/不间断地做某事63/123说明⑴keepondoingsth.可能有间断,强调“重复”和“决心”,而且经常附加感情色彩；⑵与sitting,standing,lying,sleeping等静态动词连用时,只能用keepdoing。64/123利用用keep或keepon适当形式填空。⑴Whateverhappens,________trying.⑵Don’t_________askingmesuchsillyquestions.keepon

keepon65/123⑶Shewasverytired,butshe_______working.⑷I______standingundertheburningsunforalongtimethatday.keptkepton66/12311.Iamdoingaprojectonbehalfofmyschoolaboutglobalwarming.我正代表学校做一项关于全球变暖课题研究。(B6P30)使用方法也能够表示为onone’sbehalf。onbehalfof代表……一方;作为……代言人67/123利用依据汉语提醒完成以下句子。⑴我谨代表全家感激大家。Iwouldliketothankallofyou_______________________.⑵史密斯先生不能来,所以他妻子代他领奖。Mr.Smithcannotcomehere,sohiswifewillaccepttheprize____________.onbehalfofallmyfamilyonhisbehalf68/123句型积累69/1231.Thereisnodoubtthattheearthisbecomingwarmer(seeGraph1)andthatitishumanactivitythathascausedthisglobalwarmingratherthanarandombutnaturalphenomenon.毫无疑问,全球正在变暖,而全球变暖是人为,并不是随意自然现象。(B6P26)句型Thereisnodoubtthat...毫无疑问……一、美句诵写70/123仿写依据汉语意思完成以下英语句子。⑴毫无疑问,庆贺圣诞节活动是一个了解西方文化好方式。_____________________thecelebrationforChristmasisagoodwayoflearningaboutwesterncultures.Thereisnodoubtthat71/123⑵毫无疑问,过多电脑游戏会对学生健康有不良影响。________________thattoomanycomputergamescan_______________________________onstudents’health.haveabadeffect/influence/impactThereisnodoubt72/123⑶毫无疑问,做事不先考虑总会造成失败。____________________actingbeforethinkingalways_________failure.resultsinThereisnodoubtthat73/1232.Somebyproductsofthisprocessarecalled“greenhouse”gases,themostimportantoneofwhichiscarbondioxide.这个升温过程一些副产品就叫做“温室”气体,其中最主要是二氧化碳。(B6P26)句型the+最高级+oneof+which/whois...其中最……是……74/123仿写将以下句子译成英文。⑴这里有很多动画片,其中最受欢迎是喜羊羊与灰太狼。Herearemanycartoons,____________________________isHappySheepandGrayWolf.themostpopularoneofwhich75/123⑵我有三个姐姐，其中最年轻三年前往了美国。Ihavethreesisters,______________________wenttoUSAthreeyearsago.theyoungestoneofwhom76/123⑶应采取有效办法预防生存环境深入恶化,其中最主要办法之一就是限制过多私家车使用。Someeffectivemeasuresshouldbetakentokeepourlivingenvironmentfromgettingworse,____________________________istolimittheuseofprivatecars.themostimportantoneofwhich77/123二、难句分析Thereisnodoubtthattheearthisbecomingwarmerbutthereisfiercedebateoverwhetheritishumanactivitythathascausedthisglobalwarmingorwhetheritisjustanaturalphenomenon.毫无疑问,地球正在变暖。不过全球变暖原因是人为呢还是仅仅是一个自然现象呢？对于这个问题存在着激烈争论。(B6P26)结构分析:but把两个therebe句型连接起来;前一个分句中,doubt后面that引导是同位语从句；whether...和orwhether...是介词over_____从句;itishumanactivitythathascausedthisglobalwarming是一个_____句,强调humanactivity。强调宾语78/123课文回顾79/123TheEarth’ssurfacetemperaturehasrisenbyaboutonedegreeFahrenheittoday.Thereisnodoubtthattheearthisbecoming1________(warm).Buthowhasthiscomeaboutanddoesitmatter?

一、课文填空解析：1.此处是一个隐形比较级。warmer80/123Peoplehavefiercedebatesaboutwhether2___ishumanactivitythathascausedthisglobalwarming,3________(compare)withmostofthenaturalchanges.解析：2.强调句式itis...that...。解析：3.搭配：comparedwith和……比起来。itcompared81/123Manyscientists4_____Dr.JaniceFosterbelievethatpeoplehavecausedtheincreaseintheearth’stemperature5___burningfossilfuelslikecoal,naturalgasandoiltoproduceenergy.

解析：4.介词,表示举例,“像……”。解析：5.介词,表示“经过……”。likeby82/123Somebyproductsofthisprocessarecalled“greenhouse”gases,themostimportantoneof6______iscarbondioxide.Theincreasedamountofcarbondioxidemeansthatmoreheatenergy7_________(trap)intheatmosphere8________(cause)theglobaltemperaturetogoup.解析：6.引导一个非限定性定语从句,先行词是greenhousegases。解析：7.谓语动词被动语态。解析：8.非谓语动词作结果状语。whichistrappedcausing83/123Ontheotherhand,somescientistspredictthatanywarmingwillbemildwithfewbad9____________(environment)consequences.Anyhow,evenifwestartreducing10____amountofcarbondioxideandothergreenhousegases,theclimateisgoingtokeeponwarmingfordecadesorcenturies.解析：9.作定语用形容词。解析：10.此处amountofcarbondioxide前面已经提到过,故用冠词。environmentalthe84/123二、课文概要

Abouttheglobalwarming,allscientistsagreethatithasbeencausedbyhumanactivity.Somethinkitwillbenefithumanswhileotherspredictit’sadisaster.85/123走近高考86/123一、完形填空[浙江]Thetriptothatcitywaseye-openingforeveryone,andnearitsend,alltheyoungpeopleinourgroupbegantoreflectonwhatithadmeant.We1thefirstnightwehadarrived.Wehadallgoneintothemarketsofthecitysothattheyoungpeoplecouldexperienceitsenergy.

1.A.spentB.returnedC.recalledD.killed1.Ｃ我们“回想”一下我们抵达第一个晚上,由后面宾语可知。87/123Butwhatweactuallysawsimply2usall—therundownhouses,thechildreninrags,thepeoplebeggingformoney.2.A.puzzled B.annoyedC.Embarrassed D.shocked解析：2.Ｄ按照常理城市本该是繁荣景象,但后面却提到了坍毁房屋,衣衫褴褛孩子们,乞讨人们,这是人们始料不及,所以选shock(震惊)。88/123Walkinghome,3underalowbridge,wecameacross4familiesofhomelesspeopleseekingabitofdrygroundtosleeponforthenight.

3.A.marching B.runningC.Passing D.moving3.Ｃ前有walkinghome,由underalowbridge可知是从很低桥下“经过,经过”,选C。4.A.entire B.normalC.average D.general4.Ａ作者见到是无家可归“整个一家人”,选A。89/123Wehadtostepoverbodiesaswefoundourwaythroughthedarkness.Thepoverty(贫困)was5thananythingmyyoungcompanionshadeverimagined.Backinthehotel,anairofsadnesssettledoverthegroup.Many6andcried.5.A.strongerB.deeperC.worseD.less5.Ｃ此处关键是than,句意:比我们年轻同伴想象要更糟糕,选C。6.A.gaveup B.brokedownC.setoff D.heldon6.Ｂ从后面andcried可知。breakdown“(身体,精神)垮了”。90/123Spendingtimeinthis7movesapersontocareabouthumanity.Thatevening,ourgroupspenthourstalkingaboutwhatwehad8.7.A.environment B.hotelC.house D.background7.Ａ上句anairofsadness中air就有“气氛,环境”含义,选A符合语境。8.A.inspected B.attemptedC.witnessed D.challenged8.Ｃ此处意思是大家在讨论白天所见所闻,所以选witness“见证,目睹”。91/123Gently,Iencouragedeveryonetotalkaboutthedifficult9thatday’sdiscoverieshadinspired.

Sittingtogetherinacircleaseveryonehada10tospeak,weallbegantorealizethatnoneofuswasaloneinourstruggletocopewithourreactions.9.A.feelings B.decisionsC.thoughts D.impressions9.Ａ我勉励大家讨论被激发内心感受,选A符合题意。10.A.desireB.wayC.timeD.chance10.D大家坐成一个圆圈，这么大家都有说话机会。92/123Basedonmy11inpoverty-strickenareas,Isuggestedthatwhiletheemotionswehadwere12,theycouldalsobeimportantinhelpingustomoveforward.

11.A.experiences B.schedulesC.data D.position11.Ａ他有在贫穷地域“经历”,选A。12.A.wonderfulB.dutifulC.painfulD.careful12.C尽管我们心里是痛苦,但能帮助我们前进。93/123Weall13thatwehadseenthingsthatshouldneverbeallowedtohappen.Now,whatcouldwedoaboutit?Together,webegantobrainstormwayswecouldhelptoeasethe14wehadseen.

13.A.supposed B.advisedC.confirmed D.agreed13.Ｄ大家围成圈一直在讨论在交流，所以最终大家达成共识,故选D。14.A.burden B.sufferingC.anxiety D.difficulty14.Ｂ文中讲城市部分人过得不好,所以选suffering符合句意。94/123AsIencouragedgroupmemberstofocusonwhattheycoulddo,asenseofdetermination15theprevioussadness.Insteadofdespair,theseyoungpeoplebegantofeelacalltoaction.15.A.replaced B.changedC.covered D.improved15.Ａ此句意：大家有了做事决心,先前悲伤与沮丧也就随之被替换了。95/123reflect反思 ease减缓previous先前brainstorm集体献计eye-opening开眼界poverty-stricken贫穷settleover降落 copewith对付[助读词汇]96/123(江门一模)AttheKyotoconferenceonglobalwarminginDecember1997,itbecamemuchclearhowcomplexithasbecometoworkoutinternationalagreementsrelatingtotheenvironmentbecauseofeconomicconcernsuniquetoeachcountry.Itisnolongerenoughtotrytoforbidcertainactivitiesortoreducegivingoffcertainsubstances.

二、阅读了解97/123Theglobalchallengesoftheinterlinkbetweentheenvironmentanddevelopmentincreasinglybringustothecoreoftheeconomiclifeofstates.Duringthelate1980swewereable,throughinternationalagreements,tomakedeepcutsingivingoffharmfulsubstancestotheozonelayer(臭氧层).

98/123Thesereductionsweremadepossiblebecausesubstitutionshadbeenfoundformanyoftheharmfulchemicalsand,moreimportant,becausetheharmfulsubstancescouldbereplacedwithoutnegativeeffectsonemploymentandtheeconomiesofstates.99/123Althoughthethreatofglobalwarminghasbeenknowntotheworldfordecadesandallcountriesandleadersagreethatweneedtodealwiththeproblem,wealsoknowthattheeffectsofmeasures,especiallytoughmeasurestakeninsomecountries,wouldbeofnouseifothercountriesdonotcontroltheirgivingoff.WhereastheUNteamonclimatechangehasfoundthatthecarbondioxidewouldhavetobecutgloballyby60%.

100/123Thispathdoesnotworkforseveralreasons.Suchdeepcutswouldcauseabreakdownoftheworldeconomy.Manydevelopingcountriesarenotyetwillingtocontroltheirenergyuses.Inaddition,thestateofworldtechnologywouldnotyetpermitustomakesuchabigleap.Wemust,however,findasolutiontothethreatofglobalwarmingearlyinthe21stcentury.101/123Suchamissionwouldrequireadegreeofsharedvisionandcommonresponsibilitiesnewtohumanity.Successliesintheforceofimagination,inimaginingwhatwouldhappenifwefailtoact.Althoughmanylivingincoldregionswouldwelcometheglobal-warmingeffectofawarmersummer,fewwouldcheerthearrivalofthefollowingtropicaldisease,especiallywherehadbeennone.102/1231.Themainpurposeofthepassageisto____.A.convincepeoplethatglobalwarmingisathreatB.criticizesomecountriesforrefusingtocutdowngivingoffharmfulsubstancestotheozonelayerC.analyzetheproblemofglobalwarmingD.argueagainstmakingdeepcutsingivingoffharmfulsubstances解析：C主旨题。文章通篇围绕全球气候变暖展开叙述,并就怎样处理这个问题给出提议,所以文章主旨为analyzetheproblemofglobalwarming。103/123A.theleadersofmanycountriesarenotfullyawareofthegravityoftheproblemB.theworldtechnologyisnotabletosolvetheproblemC.notallthecountriesarewillingtomakedeepcutsingivingoffharmfulsubstancesD.manypeoplewelcometheglobal-warmingeffectofawarmersummer2.Thereasonwhyitisdifficulttogetridofthethreatofglobalwarmingisthat___.解析：C细节题。依据第二段第三、四行中ifothercountriesdonotcontroltheirgivingoff可知。104/123A.itisalwaysdifficulttoworkoutinternationalagreementstocutdowngivingoffharmfulsubstancestotheozonelayerB.itisnolongereasytoreachinternationalagreementsrelatingtotheenvironmentC.theworldhasrecentlybecomeawareofthethreatofglobalwarmingD.theproblemofglobalwarminghaslargelybeensolved3.Inthepassagetheauthorimpliesthat___.解析：B推断题。结合第一段首句itbecamemuchclearhowcomplex…toeachcountry能够推出要达成相关环境问题国际协议不轻易,即B。105/1234.Accordingtotheauthor,itisimpossibleatpresenttocut60%ofcarbondioxidegloballybecause___.A.itisonlyagoaltobereachedinthefutureB.somepeoplearelackinginimaginationC.somepeopleareirresponsibleD.itwouldcauseaturndownoftheworldeconomy解析：D细节题。依据第二段Suchdeepcutswouldcauseabreakdownoftheworldeconomy可知。106/1235.Whatshouldallcountriesdotohelpsolvetheproblemofglobalwarming?A.Theyshouldreplacealltheharmfulsubstances.B.Theyshouldwillinglyundertakelegalcommitmentsabouttheirenergyuses.C.Theyshouldholdanotherworldconferenceonclimatechange.D.Theyshouldprovideadvancedtechnology.解析：B推断题。依据第二段wouldbeofnouseifothercountriesdonotcontroltheirgivingoff可知要想处理全球气候变暖问题,必须要全部国家共同行动,控制能源消耗，即B。

107/123难句了解1.Thesereductionsweremadepossiblebecausesubstitutionshadbeenfoundformanyoftheharmfulchemicalsand,moreimportant,becausetheharmfulsubstancescouldbereplacedwithoutnegativeeffectsonemploymentandtheeconomiesofstates.结构分析:Thesereductionsweremadepossible是主句,后面跟着两个由because引导原因状语从句。108/123汉语大意：这些(有害物质)削减之所以成为可能是因为很多有害化学物已经找到了代替品,更主要是因为有害物质替换不会对就业和国家经济造成负面影响。109/1232.Althoughthethreatofglobalwarminghasbeenknowntotheworldfordecade