Unit3EnvironmentalProtectionReadingandThinking课件高中英语人教版选择性4

Unit3

EnvironmentalProtectionReadingandThinking1.Howdoyoufeelwhenyouseethispoorpolarbear?2.Whydoesithappen?1.Howdoyoufeelwhenyouseethispoorpolarbear?sad,sorry,concerned,anxitious,angry...2.Whydoesithappen?thegloblewarmingSkimandPredict.1.Whatisthetypeofthistext?2.Inwhichpartofthenewspaperormaginzinmaywefindthistext?FastReadingSkimandPredict.1.Whatisthetypeofthistext?A.NarrationB.ExpositionC.ArgumentationD.Advertisement记叙文说明文议论文广告说明文是客观说明事物的一种文体，主要通过对客观事物或事实的介绍说明，以达到以知识教人的目的，通常以客观准确为基本要求，一般不表达作者情感倾向，逻辑顺序环环相扣。ExpositionEvidence现象Para.1-2Cause原因Para.3Consequence危害Para.4Solusions措施Para.5FastReadingSkimandPredict.Inwhichpartofthenewspaperormaginzinmaywefindthistext?A.EntertainmentB.EconomyC.EducationD.EnvironmentWe

haveknownaboutclimatechangefordecades.ThereislittledoubtthatEarthisgettingwarmerandwarmer(seethegraph).Awarmingoceanandatmospherealongwith

meltingiceandrisingsealevelsprovideevidenceofadramaticchangeintheglobalclimate.我们认识到气候变化已经有几十年时间了。毫无疑问的是，地球正在变得越来越暖（见图表）。海洋和大气变暖，冰川融化，海平面上升，这些无不是全球气候急剧变化的证据。Thereislittle/nodoubtthat...

几乎没有疑问的是……Thereissomedoubtwhether...是否…是有疑问的急剧变化CarefulReadingWhatevidenceofclimatechangecanyoufindinparagraphone?A.awarmingoceanandatmosphereB.meltingiceC.risingsealevelsD.alloftheabove

In2013,alotofpeoplewereshockedbyanewsphotoofadeadpolarbearthatwasfoundonNorway’sArcticislandofSvalbard.Accordingtothescientistswhofounditsdeadbody,allthatremainedofthepolarbearwas“skinandbones”.Anexpertwho

hasstudied

polarbearsformanyyearssaidthatfromthepositionofitsdeadbody,thebearappearedtohavestarvedanddied.

Expertsclaimedthatlowsea-icelevelscausedbyclimatechangemeantthatthebearcouldnothuntsealsasbefore,soithadtotravelgreaterdistancesinordertofindfood.ThisalarmingcaseshowedhowtheincreaseintemperaturehadanimpactonEarth’secology.2013年，一张新闻照片展示了一头被发现死在挪威北极区域斯瓦尔巴群岛上的北极熊，震惊世人。发现该尸体的科学家们说，这头北极熊只剩皮包骨了。一位多年研究北极熊的专家说，从它尸体所处的位置来看，这头北极熊似乎是饿死的。专家们声称，由于气候变化造成的海冰水位较低，这只熊无法像以前那样捕猎海豹，所以他为了找到食物不得不去更远的地方。这一令人震惊的案例表明气温升高对地球生态产生了怎样的影响。似乎=haveaneffect/influenceon对...有影响CarefulReadingWhydidtheauthormentionthedeathofapolarbearonnovicearcticislandofsward?A.tointroducethetopicB.toprovideanexampleC.toargueagainstanopinionD.toprovidebackgroundinformationWhatistheroofcourseofthepolarbearsdeath?ClimateofchangelowseaicelevelscouldnothunthadtotravelgreaterdistancetofindfoodStarvedtodeath

Thenwhatiscausing

theincreaseintheglobalaveragesurfacetemperature?Climatescientistsoftenmentionakeyclimateprocesscalledthe“greenhouseeffect”,whichhastwocommonmeanings:the“natural”greenhouseeffectandthe“man-made”greenhouseeffect.

The

natural“greenhouseeffectreferstothefactthatheatfromthesunenterstheatmosphereandwarmsEarth'ssurfaceasshort-waveradiation.Theheatisreleasedbackintospaceatlongerwavelengths.Greenhousegasesintheatmosphere,suchasmethaneandcarbondioxide,trapsomeoftheheat,keepingEarth'sclimatewarmandhabitable.Withoutthisprocess,Earthcouldnotsustainlife.

However,the“man-made”greenhouseeffecthasnowbecomeabigproblem.Whenpeopleproduce

hugeamountsof

extragreenhousegasesbyburningfossilfuels,moreheatenergyistrappedintheatmosphereandcausesEarth'ssurfacetemperaturetorisequickly.那么，导致全球平均地表温度上升的因素是什么呢？气候科学家经常提到一个被称为“温室效应”的关键气候过程。它有两层常见含义：“自然”温室效应和“人为”温室效应。自然”温室效应指的是来自太阳的热量进入大气层，以触波辐射的形式使地表升温。热量再以长波辐射的形式返回太空。大气中的温室气体，如甲烷和二氧化碳，吸收部分热量，保持地球气候温暖，适宜居住。没有这个过程，地球就不能维持生命。“但是，现在“人为”温室效应变成了一个大问题。当人们燃烧化石燃料，产生大量额外的温室气体时，更多的热量被储存在大气中，这导致地表温度迅速上升。...方面的增加指的是；参考；提及释放回...大量的+不可数名词被困/储存在虚拟语气1.AccordingtothetextwhathelpsEarthsustainlife?A.shortwaveradiationB.longwaveradiationC.thenaturalgreenhouseeffectD.oxygenandwaterCarefulReading2.Accordingtothetextwhichofthefollowingfactorscouldcauseearthssurfacetemperaturetorisequickly?A.burningfossilfuelsB.usingplasticbagsC.coverhuntingwildlifeD.pollutingtheairThecauseofglobalwarmingis____.A.shortwaveradiationB.longwaveradiationC.thenaturalgreenhouseeffectD.themanmadegreenhouseeffect

Thereisstrongandcomprehensiveevidencethattheriseintemperaturehasledto

anincreaseinextremeweatherandnaturaldisastersworldwide,notonly

causingseriousdamage,butalso

costinghumanlives.Climatescientistshavewarned

that

ifwedonottakeappropriateactions,thiswarmingtrendwillprobablycontinueandtherewillbeahigherpricetopay.Infact,newsreportsarefrequentlybroadcastaboutextremerainstormsandheatwavescausingdeathsandeconomiclosses.有充分全面的证据表明，气温上升导致世界范围内的极端天气和自然灾害增加，不仅造成严重破坏，还造成人员伤亡。气候科学家警告，如果我们再不采取适当行动，这种变暖趋势很可能会持续下去人类要付出更大代价事实上，极端暴雨和热浪导致人员死亡和经济损失的新闻常被报道。致人丧命...方面的增加payahigherprice付出更高的代价经济损失theriseintempretureleadto

resultsexample1.__________________________2.__________________________3._______________________________________Whataretheconsequencesofglobalwarming?variousdamage,costinghumanlives,economiclosesextremeweatherandnaturaldisastersextremerainstormsandheatwavesCarefulReading

Continuedgreenhousegasemissionswillresultinfurtherwarmingandlong-lastingchangestotheglobalclimate.Thisrequirestheattentionofpeopleallovertheworld.Governmentsneedtoconsidermakingpoliciesandtaking

appropriateactionsandmeasurestoreducegreenhousegasemissions.Weasindividualscanalsoreduceour“carbonfootprint”byrestrictingtheamountofcarbondioxideourlifestylesproduce.Itisourresponsibilitytoseizeeveryopportunitytoeducateeveryoneaboutglobalwarming,alongwithitscausesandimpacts,becausethisisthemostseriousissueaffectingallofusonthisplanet.Sowhatwillyoudotohelp?不断排放的温室气体将导致全球气候进一步变暖，造成持久性全球气候变化，这需要全世界人民的关注。各国政府需考虑制定政策，采取适当行动和措施以减少温宝气体排放。我们个人也可以通过限制因我们的生活方式所产生的二氧化碳的排放量，减少我们的“碳足迹”。我们有责任抓住每一个机会，让每一个人都能认识到全球变暖及其原因和影响，因为这是影响地球上所有人的最严肃的问题。所以，你会做些什么来帮忙呢？造成，导致considerdoing..考虑做.....(不可数名词)的数量Whatistheauthor’spurposeofwritingthistext?A.toexplainwhatgreenhousegasesareandtheireffectsB.toarousepeoplesawarenessofenvironmentalprotectionC.tointroducehowtoreducetheemissionofgreenhousegassesD.todrawpeoplesattentiononthelossofpolarbearshabitat

CarefulReadingthesolutionstoreducinggreenhousegasemissionsgovernmentindividualsCarefulReadingmakingpoliciesandtakingappropriateactionsandmeasuresindividuals

solutionstoreducinggreenhousegasemissionsdissicussionreducingour“carbonfootprint”Earthprovidesenoughtosatisfyeveryman’sneeds,butnoteveryman’sgreed.--MohandasK.gandhi地球所提供的物质财富足以满足每个人的需求,不却不足以满足每个人的贪欲。--穆罕默德.甘地Thereislittledoubtthat...alongwithadramaticchangebeshockedbyappeartodo=seemtodothealarmingcasehaveanimpact/effect/influenceon…refertocarbondioxidesustainlife1.毫无疑问...2.和；连同3.一个巨大的变化4.被...震惊5.似乎6.令人惊恐的案例7.对...产生影响8.意思是,参考,查阅9.二氧化碳10.维系生命Summaryimportantexpressionshugeamountsofbetrappedinleadtocosthumanliveseconomiclossesresultintakeappropriatemeasurestodo..thenumber/amountof..seizeeveryopportunitytodo..onthisplanet11.大量10.被困在11..导致12.致人丧命13.经济损失14.造成15.采取适当的措施做16....的数量17.抓住每一个机会做某事18.在这个地球上Summaryimportantsentencestructures1.Thereislittledoubtthat...2.

Thereissomedoubtwhether...3.Allthatremainedofthepolarbearwas...4.Thenwhatiscausingtheincreasein...5.Natural

greenhouseeffectreferstothefactthatheatfrom...

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