2024秋高中英语Unit4GlobalwarmingSectionⅠWarmingUpReading学案含解析新人教版选修6

PAGEUnit4Globalwarming全球变暖早已成为不争的事实，并且有加剧的趋势。那么这会对北极地区造成什么样的影响呢？Anearlyice­freeArcticOceaninsummermayhappenthreetimessoonerthanscientistshaveassessed.NewresearchsaystheArcticmightlosemostofitsicecoverinsummerinasfewas30yearsinsteadoftheendofthecentury.TheamountoftheArcticOceancoveredbyiceattheendofsummerbythencouldbeonlyaboutonemillionsquarekilometres.That'scomparedwithtoday'siceextent(范围)of4.6millionsquarekilometres—somuchmoreopenwatercouldbeaboonforshippingandforextracting(开采)mineralsandoilfromtheseabed,butitraisesthequestionofecosystemchange.WhiletheIntergovernmentalPanelonClimateChangein2007assessedwhatmighthappenintheArcticinthefuturebasedonresultsfrommorethanadozenglobalclimatemodels,tworesearcherssaidthatdramaticdropsintheextentoficeattheendofsummerin2007and2008calledforadifferentapproach.Outofthe23modelsnowavailable,thenewpredictionsarebasedonthesixmostsuitedforassessingseaice,accordingtoMuyinWang,auniversityofWashingtonclimatescientist,andJamesOverland,anoceanographer.WangandOverlandsoughtmodelsthatbestmatchedwhathasactuallyhappenedinrecentyears,because,“ifamodelcan'tdotoday'sconditionswell,howcanyoutrustitsfuturepredictions？”Wangsays.“Inrecentyearsthecombinationofunusualwarmtemperaturesfromnaturalcausesandtheglobalwarmingsignalshasworkedtogethertoprovideanearliersummerseaicelossthanpredictedwhenscientistsconsideredtheeffectsfromhuman­causedcarbondioxidealone.”saysOverland.Scientistsdon'texpecttheArctictobetotallyice­free,figuringthaticestillwillbefoundalongnorthernCanadaandGreenlandwherepowerfulwindssweepingacrosstheArcticOceanforceicelayerstoslideontopofeachother,makingforaverythickicecover.依据短文内容，回答下列问题。1．Theresearchers'assessmentisbasedonthe_results_from_more_than_a_dozen_global_climate_models.2．Theunderlinedword“boon”inthesecondparagraphprobablymeans“advantage/benefit/strength”．3．TherewillbeaverythickicecoverinnorthernCanada.Theprobablereasonisthatpowerful_winds_sweeping_across_the_Arctic_Ocean_force_ice_layers_to_slide_on_top_of_each_other,_making_for_a_very_thick_ice_cover.4．Theauthorwritesthispassagetotellreadersthe_new_research_about_the_Arctic_sea_ice.Unit4GlobalwarmingSectionⅠWarmingUpReadingⅠ.重点单词1．graphn．图表；坐标图；曲线图2．perprep.每；每一3．datan．资料；数据4．trendn．趋势；倾向；走向5．mildadj.温顺的；温顺的；淡的6．randomadj.胡乱的；随意的7．rangen．种类；范围8．glancevi.看一下；扫视n．一瞥9．subscribevi.同意；捐赠；订阅vt.签署(文件)；捐助10．phenomenonn．现象→phenomena(pl.)11．opposevt.反对；抗拒→opposedadj.反对的；对立的12．consequencen．结果；后果；影响→consequentadj.作为结果的；随之发生的→consequentlyadv.结果13．steadyadj.平稳的；持续的；稳固的→steadilyadv.平均地；持续地14．quantityn．量；数量→qualityn．质量15．statevt.陈述；说明→statementn．声明；阐述16．tendv．趋向；易于；照看→tendencyn．倾向17．consumevt.消费；消耗；耗尽；吃完→consumern．消费者→consumptionn．消费Ⅱ.核心短语1．subscribe_to同意；订阅2．come_about发生；造成3．quantities_of大量的4．go_up涨价；上涨5．resultin导致6．evenif/though即使7．keepon接着8．compare...to/with与……相比Ⅲ.经典句式1．Thatprobablydoesnotseemmuchtoyouorme,butitisarapidincreasewhen_compared_toothernaturalchanges.这个数值对你我来说可能是无所谓的，但是跟其他自然改变相比较而言，这却是一种快速的增长。2．There_is_no_doubt_thattheearthisbecomingwarmer(seeGraph1)andthatit_is_human_activity_thathascausedthisglobalwarmingrather_thanarandombutnaturalphenomenon.毫无疑问，地球正在变暖(见曲线图1)，而地球变暖正是人类活动导致的，并非一种随意的自然现象。3．Withoutthe“greenhouseeffect”，theearthwould_beaboutthirty­threedegreesCelsiuscoolerthanitis.假如没有这种“温室效应”，地球的温度将比现在的温度还要低33摄氏度左右。4．Theyalsoagreethatit_istheburningofmoreandmorefossilfuelsthat_has_resulted_inthisincreaseincarbondioxide.他们还赞同下述观点：正是燃烧越来越多的化石燃料才导致了二氧化碳的增加。5．Even_if_we_start_reducing_the_amountofcarbondioxideandothergreen­housegases,theclimateisgoingtokeeponwarmingfordecadesorcenturies.即使我们起先削减二氧化碳和其他温室气体的含量，在(将来)几十年或几个世纪内，气候仍会持续变暖。1.图片记单词2．构词法记单词①consume(v.)＋­er(名词后缀)→consumern.state(v.)＋­ment(名词后缀)→statementn.②steady(adj.)＋­ly(副词后缀)→steadilyadv.课文预读地球在变暖——但是这会带来什么影响吗？在20世纪期间，地球温度大约上升了1华氏度。这个数值对你我来说很可能是无所谓的，但是跟其他自然改变相比较而言，这却是一种快速的增长。那么，这种温度的增长是怎么产生的呢？会产生什么影响吗？“关爱地球”组织的索菲·阿姆斯特朗就在探究这些问题。毫无疑问，地球在变暖(见曲线图一)，而全球变暖正是人类活动导致的，并非一种随意的自然现象。课文理解TaskOne：FastReadingⅠ.Thetextmainlytellsusthe_earth_is_becoming_warmer_and_whether_it_matters.答案：1.B2.C3.A4.DTaskTwo：CarefulReadingⅠ.Readthetextandthenchoosethebestanswers.1．Whofoundouttheamountofcarbondioxideintheatmospherefrom1957to1997?A．DrJaniceFoster. B．CharlesKeeling.C．GeorgeHambley. D．SophieArmstrong.答案：B2．Theauthorprobablyagreesthat________.A．alotremainstobefoundoutabouttheeffectsofglobalwarmingB．weshoulddonothingabouttheglobalwarmingC．catastropheswillhappeniftheglobekeepsonwarmingD．actuallyglobalwarmingisgoodforhumanbeings答案：A3．WhichofthefollowingstatementsisTRUE?A．Naturalgasisagreenhousegas.B．Wearesureoftheeffectsofglobalwarmingnow.C．Carbondioxideisabyproductofburningfossilfuels.D．DrJaniceFosterbelievesthatglobalwarmingwilldogoodratherthanharmtotheearth.答案：C4．Thisarticleisfrom________.A．astoryB．adiaryC．anovelD．anenvironmentalmagazine答案：DⅡ.Readthetextandthenanswerthefollowingquestions.1．What'sthecauseofglobalwarmingaccordingtothescientists?The_burning_of_fossil_fuels_like_coal,_natural_gas_and_oil.2．Whatisthemostimportantpartofgreenhousegases?Carbon_dioxide.3．What'sDrFoster'sattitudetowardstheriseoftheearth'stemperature?Dr_Foster_thinks_the_rise_of_the_earth's_temperature_will_lead_to_a_catastrophe.4．Weshoulddonothingaboutglobalwarming,doyouthinkso?Why?(within30words)I_don't_think_so,_because_global_warming_may_cause_the_sea_level_to_rise,_severe_storms,_floods,_droughts_and_many_other_serious_problems.TaskThree：Micro­writingScientistsbelievethatthereisnodoubt__1__“greenhouseeffect”beginswhenweaddhuge__2__(quantity)ofextracarbondioxideintoatmospherebyburningfossilfuels.The__3__(increase)amountofcarbondioxideiscausingtheglobaltemperaturetogoup,whichisnota__4__(nature)phenomenon.Scientistsalsoagreethattheburningofmoreandmorefossilfuelshasresulted__5__thisincreaseincarbondioxide.Ontheonehand,DrFosterthinksthatanincreaseoffivedegreeswouldbeacatastrophe.Onthe__6__hand,somescientists,likeGeorgeHambley,predictthatanywarmingwillbemildwithfewbad__7__(environment)consequences.Hambleystatesthatmorecarbondioxidewillmakeplants__8__(grow)quicker;cropswillproducemore;itwillencourageagreaterrange__9__animals,allofwhichwillmakelifeforhumanbeings__10__(good)．1．that2.quantities3.increasing4.natural5.in6．other7.environmental8.grow9.of10.better1eq\a\vs4\al(randomadj.胡乱的，随意的n.随意)(教材P26)．..hascausedthisglobalwarmingratherthanarandombutnaturalphenomenon.……已经导致了这种全球变暖(现象)，这种现象并非一种随意的自然现象。(1)atrandom随意地，随机地(2)onpurpose有意地，有目的地byaccident＝bychance意外地，偶然地bymistake错误地，由于差错[即学即用](1)Thislistisarrangedinarandomorder.这份名单是按随机依次排列的。(2)Shetookabookofftheshelfatrandom.她随意地从书架上拿了一本书。(3)By_chance/accident,_IsawaflightofwildgeeseheadsouthforthewinterwhileIwashiking.当我远足时，我偶然看到一群大雁南飞过冬去了。(4)Theluckyfanwillbepickedoutat_randomtoperformwiththesingerduringtheparty.在聚会进行期间，幸运的歌迷将会被随机选择出来与这位歌手一起表演。2eq\a\vs4\al(quantityn.量，数量)(教材P26)Theproblembeginswhenweaddhugequantitiesofextracarbondioxideintotheatmosphere.当我们在大气层中增加了大量的额外的二氧化碳时，问题就来了。inquantity在数量上；大量地inlargequantities大量地(常修饰动词)quantitiesof/aquantityof大量的[归纳拓展](1)(large/huge)quantitiesof和alargequantityof后都可接可数名词复数或不行数名词。(2)“quantitiesof＋名词”后面的谓语动词常用复数形式；“alargequantityof＋名词”后面的谓语动词常用单数形式。[即学即用](1)Itwasabadyearforfilms,intermsofbothquantityandquality.今年的电影无论从数量上还是质量上都说不上好。(2)ThecountryimportscottoninlargequantitiesfromAustraliaeveryyear.那个国家每年从澳大利亚进口大量棉花。(3)Asaresultofdestroyingtheforests,alargequantityofdeserthascoveredtheland.由于破坏了森林，大片的沙漠覆盖了陆地。(4)Withmoreforestsbeingdestroyed,hugequantitiesofgoodsoilare_being_washed_awayeachyear.随着越来越多的森林被破坏，每年都会有大量的优质土壤被冲走。(5)语法填空①Alargequantityofairconditionershas_been_sold(sell)sincethesummercame.②Largequantitiesofwaterhave_been_polluted(pollute)recently,sothelakesmellsterrible.3eq\a\vs4\al(tendvi.趋向；易于；照看vt.照看；护理)(教材P26)Itmeansthatmoreheatenergytendstobetrappedintheatmospherecausingtheglobaltemperaturetogoup.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。(1)tendtodosth.易于/往往会做某事tendto/towardssth.有……的趋势；倾向于……tend(to)sb./sth.照料；照管某人/某事(2)tendencyn.倾向；趋势haveatendencytodosth.有做某事的倾向[即学即用](1)Theolderwomentendtobelieveinstrangerseasily.老妇人更简单信任生疏人。(2)AteamofmedicalworkersweresenttotendthesurvivorsofWenchuanEarthquake.一组医护人员被派去照料汶川地震的生还者。(3)NowadayspeoplehaveagrowingtendencytoshopontheInternet.→Nowadaysthere_is_a_growing_tendencyforpeopletoshopontheInternet.如今人们网上购物有增加的趋势。(4)语法填空①Plantstendto_die(die)inhotweatherifyoudon'twaterthem.②Thecooperationhasbecomethetendency(tend)ofeconomicdevelopmentintheworld.4eq\a\vs4\al(opposevt.反对；抗拒；与某人较量)(教材P27)Ontheotherhand,therearethose,likeGeorgeHambley,whoareopposedtothisviewandbelievethatweshouldnotworryabouthighlevelsofcarbondioxideintheair.而另一方面，还有一些人，像科学家乔治·汉布利，反对这种观点，他们认为我们不必担忧空气中高含量的二氧化碳。(1)opposesth./doingsth.反对(做)某事opposesb./sb.'sdoingsth.反对某人做某事(2)opposedadj.相反的；对立的beopposedto＝objectto反对……；与……对立(3)oppositeadj.相反的；对立的beoppositeto在……的对面；与……相反[即学即用](1)Allthememberspresentopposed/wereopposedtotheplanbitterly.在场的全部成员都剧烈反对这项安排。(2)Atfirsthewasopposedtotheidea,butlaterhecamearound.起先他反对这个想法，但是后来同意了。(3)Themotheropposedherdaughtergoingtherealone.这位母亲反对她女儿一个人去那儿。(4)语法填空①Maryisstronglyopposedtogoing(go)shoppingonSundaybecausethestreetsarefullofpeople.②Theresultwasquiteoppositetowhatwehadexpected.③Sheremainedbitterlyopposed(oppose)totheideaofmovingabroad.5eq\a\vs4\al(consequencen.后果，结果，影响)(教材P27)Theypredictthatanywarmingwillbemildwithfewbadenvironmentalconsequences.他们预言说，变暖的状况不会很严峻，对环境的影响也不会太坏。(1)asaconsequence/result＝inconsequence因此；结果asaconsequence/resultof＝inconsequenceof是……的原因(2)consequentadj.作为结果的；随之发生的consequentlyadv.结果[即学即用](1)Thecitywasinruinsnowinconsequenceof/asaconsequenceofasevereearthquake.由于严峻的地震，这座城市变成了废墟。(2)Shewasovertheagelimitand,inconsequence,herapplicationwasrejected.她超过了限定年龄，因此，她的申请被拒绝了。(3)语法填空①Consequently(consequence),sheunderstooditandbecameinterestedinChinesetraditionalculture.②Asaconsequenceofhumanactivitieslikecuttingdownbamboos,thepandasarelackingoffoodsource.6eq\a\vs4\al(rangen.范围v.排列，使成行)(教材P27)Itwillmakeplantsgrowquicker;cropswillproducemore;itwillencourageagreaterrangeofanimals—allofwhichwillmakelifeforhumanbeingsbetter.它(二氧化碳含量的增加)会使植物长得更快；农作物产量更高；还会促进动物种类的增多——全部这些都将改善人类生活。(1)awiderangeof各种各样的；大范围的in/withintherangeof在……范围内outof/beyondone'srange实力达不到/超过……范围(2)rangefrom...to...(＝rangebetween...and...)从……到……之间改变[即学即用](1)Thistouristattractionoffersa(wide)rangeofactivitiesforthetourists.这个旅游景点为游客们供应了各种各样的活动。(2)Thetemperatureinthegreenhouserangesbetween30and40degreescentigrade.温室里的温度在30到40摄氏度之间。(3)Thepriceofthecarrangesfrom20,000dollarsto30,000dollars,whichisbeyondhisrange.这种车的价格从2万美元到3万美元不等，这超出了他的购买实力。(4)语法填空①Hehasavarietyofinterests,ranging(range)fromhikingtodiving.②Thereareavarietyofanimalsranging(range)fromrabbitstotigersinpark,includingararespeciesofmonkey.7eq\a\vs4\al(glancevi.看一下；扫视；粗略地看一下n.一瞥)(教材P27)Glancequicklyatthemagazinearticleandanswerthequestions.快速阅读一下杂志上的这篇文章并回答问题。(1)glanceat/over/through匆忙瞥一眼glancearound/about环顾……(2)give/takeaglanceat对……匆忙一瞥ataglance(只)看一眼at(the)firstglance乍一看，乍看起来，第一眼……[易错辨析]glance,stare与glareglance扫视，匆忙地看(强调动作快)stare注视，盯着看(强调精力的专注)glare怒视(强调心情)[即学即用](1)Heonlyhadtimetoglanceatthenewspapersbeforebreakfast.他只来得及在早餐前阅读一下报纸。(2)Atfirstglancetheplanseemedunworkable.乍一看此安排似乎不行行。(3)Shejustglancedattheenvelopeandrecognizedherboyfriend'shandwriting.她仅瞥了一眼那个信封，便认出是她男挚友的笔迹。(4)用glance/glare/stare的适当形式填空①Hewalkedandglancedathiswatchnowandthen.②Theyglaredateachotheracrossthetableafterthequarrel.③Itisbadmannerstostareatstrangersinthepublic.8eq\a\vs4\al(steadyadj.平衡的，稳固的，持续的)(教材P27)Theriseincarbondioxideiscausingasteadyincreaseinglobalwarming.二氧化碳排放量的增加导致了全球变暖的平稳上升。steadinessn．稳定，稳固steadilyadv.平稳地，持续地，稳固地[即学即用](1)Shehasmadesteadyprogressthisyear.今年她不断地取得进步。(2)Keepthecamerasteadywhileyoutakeapicture.照相时要把相机拿稳。(3)Thereisa_steady_increaseinthepriceofthehouses.房屋价格持续走高。(4)Weweredrivingata_steady_speedof50mphonthewaytomyhometown.在去我家乡的路上我们始终以50英里的时速行驶。1eq\a\vs4\al(comeabout发生；产生)(教材P26)Sohowhasthiscomeaboutanddoesitmatter?那么，这种温度的增长是怎么产生的呢？会产生什么影响呢？comeout出来，出现；(芽)生出来；(花)开；出版，发行comeon跟着来，跟上来；[口]得啦；快点cometo总计，达到；归纳为comeacross被理解；(偶然)遇见，遇到comeup走近；长出；被提出；(问题或困难)出现comeupwith想出cometooneself复原知觉[易错警示]comeabout,happen,takeplace,occur和breakout都表示“发生”，都是不及物动词(短语)，不行用于被动语态。[即学即用](1)Canyoutellmehowtheaccidentcameabout?你能告知我事故是怎样发生的吗？(2)HowdidthedifferencesbetweenAmericanEnglishandBritishEnglishcomeabout?美式英语和英式英语之间的差别是怎样产生的？(3)Whenitcomestoeducation,themajorityofpeoplebelievethatitisalifetimestudy.谈及教化的时候，大多数人认为教化是一个终生的学习。(4)用come相关短语的适当形式填空①Howdiditcome_aboutthatthemanisdismissed?②Thequestionofwageincreasescame_upattheboardmeeting.③Whilecleaningtheatticyesterday,Icame_acrossanoldphotographofmymother.④Shecame_up_withanewsuggestiontosolvetheproblem.2eq\a\vs4\al(subscribeto同意，赞同；订购)(教材P26)Allscientistssubscribetotheviewthat...全部的科学家都赞同这种观点……(1)subscribe...to...(＝donate...to...)向……捐赠……(2)subscriptionn.订阅数；捐赠款[即学即用](1)I'vepersonallyneversubscribedtotheviewthateithersexissuperiortotheother.我个人从来都不同意性别有优劣之分的观点。(2)Manypeoplehavesubscribedmuchmoneytotheeducationfund.很多人向那个教化基金捐了很多钱。(3)Ifyousubscribetothemagazinefortwelvemonthsyou'llreceiveafreelimited­editionT­shirt.假如你订阅12个月的杂志，可免费获得一件限量发行的T恤衫。(4)语法填空①Noonebutmadpeoplewouldsubscribetosuchviews.②Itisthefirsttimethattheschoollibraryhas_subscribed(subscribe)toNewsweekthisyear.3eq\a\vs4\al(goup上升；增长；升起)(教材P26)Itmeansthatmoreheatenergytendstobetrappedintheatmospherecausingtheglobaltemperaturetogoup.这意味着更多的热量有被困在大气层中的倾向，从而引起全球温度上升。goupby上升了(多大幅度)goupto上升到godown下沉；下降；着陆goaround传播；传播goover复习；查阅；视察；查看goagainst反对；违反；不利于gothrough经验；经受；遭遇goby走过；(时间)消逝；过去goinfor从事；酷爱；参与[名师点津]短语goup＝rise“上升”，godown＝fall“下降”，相当于不及物动词，都无被动语态。goup/down作“沿着”讲时，相当于及物动词。[即学即用](1)Doyouthinkthehousepriceswillkeepgoingupintheyearstocome?你觉得房价在将来几年会始终上涨吗？(2)Pricesaregoingupallthetime;itseemstheywillnevergodown.物价总是上涨，看来恒久也不会下跌。(3)用go相关短语的适当形式填空①Lilywent_againsthermother'swisheswhenshemarriedTony.②Theteacherwent_overthetestpapersandanalysedthestudents'mistakes.③Mygrandfatherhadgone_throughalongillnessbeforehebreathedhislast.④Thetemperatureisgoing_up;_willthesnowmelt?4eq\a\vs4\al(resultin导致)(教材P26)Theyalsoagreethatitistheburningofmoreandmorefossilfuelsthathasresultedinthisincreaseincarbondioxide.他们还赞同下述观点：正是越来越多燃烧的化石燃料导致了二氧化碳的增加。(1)resultin(＝leadto)结果，致使，导致(in的宾语是结果)resultfrom起因于，由于，由……引起(from的宾语是起因)(2)asaresult结果，因此asa/theresultof作为……的结果[即学即用](1)Carelessdrivingresultedinthetrafficaccident.→Thetrafficaccidentresultedfromcarelessdriving.开车不谨慎导致了这起交通事故。(2)Hewaslatefortheconferenceasaresultoftheheavysnow.→Itsnowedheavily,asaresult,hewaslatefortheconference.由于这场大雪，他开会迟到了。(3)Helikesmakingfunofothers,which_often_results_inquarrellingandfighting.他喜爱取笑别人，这常导致吵嘴和打架的发生。(4)用result相关短语的适当形式填空①Sicknessoftenresults_fromeatingtoomuch.②Stressandtirednessoftenresult_inalackofconcentration.③Allsingerskepttogether.As_a_result,_theirperformancewassuccessful.④As_a_result_ofyourcarelessness,thewholeprojectshouldbeputoffatleastonemonth.5eq\a\vs4\al(keepon接着)(教材P27)Evenifwestartreducingtheamountofcarbondioxideandothergreenhousegases,theclimateisgoingtokeeponwarmingfordecadesorcenturies.即使我们起先削减二氧化碳和其他温室气体的含量，在(将来)几十年或几个世纪内，气候仍会持续变暖。keepondoingsth.＝continue/goondoingsth.接着做某事keepsb.doingsth.让某人始终做某事keepsb.fromdoingsth.阻挡某人做某事[即学即用](1)Keeponpractisingandyouwillsoongeteverythingright.接着练习，很快一切都会好的。(2)Keepontillyougettothepostofficeandthenturnright.始终往前走，到了邮局再往右拐。(3)Hewaswetthroughwithsweat,buthekeptonworking.他衣服都被汗湿透了，但还始终坚持工作。(4)语法填空①Theteacherkepthimfromspending(spend)toomuchtimesurfingtheInternet.②I'msorrytohavekeptyouwaiting(wait)forsolong.eq\o(\s\up7(1),\s\do5())Thereisnodoubtthattheearthisbecomingwarmerandthatitishumanactivitythathascausedthisglobalwarmingratherthanarandombutnaturalphenomenon.毫无疑问，地球在变暖。而全球变暖正是人类活动导致的，并非一种随意的自然现象。(1)Thereisnodoubtthat...“毫无疑问……”，名词doubt用在否定句中，that引导同位语从句；当doubt用在确定句中时，后面接whether引导的同位语从句，留意不行以用if替换whether。①Thereisnodoubtthathewillwinthematch.毫无疑问他会赢得这场竞赛。②Thereissomedoubtwhetherhecanwinthefirstprize.他是否能赢得一等奖还有些疑问。(2)及物动词doubt后接名词、代词或宾语从句。在否定句和疑问句中，doubt后面接that引导的宾语从句；在确定句中，doubt后面一般接whether或if引导的宾语从句。③Idoubtwhether/ifthenewonewillbeanybetter.我不敢确定这个新的是否会好些。④Ineverdoubtedthatshewouldcome.我从未怀疑过她会来。eq\o(\s\up7(2),\s\do5())Evenifwestartreducingtheamountofcarbondioxideandothergreenhousegases,theclimateisgoingtokeeponwarmingfordecadesorcenturies.即使我们起先削减二氧化碳和其他温室气体的含量，在(将来)几十年或几个世纪内，气候仍会持续变暖。evenif相当于eventhough引导让步状语从句，意为“