2019-2020学年高中英语 Unit 22 Environmental Protection S

1Unit22EnvironmentalProtection索取，索取，再索取。孩子和母亲的关系似乎永远都是这一种形式。人类和自然母亲的关系又何尝不是如此呢？NatureIsOurMotherTake.Take.Take.Therelationshipbetweenachildandamotheralwaysseemstofollowsuchapattern.Likeachildendlesslyasking，wehumans，throughouthistory，havebeencontinuallydemandingwhatwedesirefromnature.Weenjoythecomfortandbeautyofourfurniture，yetweneverbothertothinkabouttheserioussoilerosioncausedbydeforestation.Wetakeitforgrantedthatwemustwarmourselvesinwintertimes，yetweseldomrealizealltheprosperityfromthedevelopmentofmodernindustry，yetfewwouldgivetheslightestconsiderationtotheglobalairandwaterpollutioncausedbyindustrialwastes.Ourruthlessexploitationhaspermanentlyimpairedourmotherearth.Now，standinghereatthethresholdofthe21stcentury，wecannothelpthinkingofourposterity(后代)．Natureisnotonlythemotherofthepresentgeneration，butalsothemotherofthegenerationstocome.Howseverelyourposteritywillcriticizeusifweleavethemabarrenandlifelessmother？Howmuchmoretheywillappreciateusifwegivethemaworldofharmonytoinherit？Letusstartrespectingandcaringfornaturefromnowon.Letusstartthecampaignofcreatingamutually(互利的)beneficialrelationshipbetweenpeopleandnaturerightfromthismoment.Withthisnewstart，wehavenoreasontodoubtthatourchildren，andourchildren'schildrenwillliveinabrandnewageofgreentrees，cleanair，crystalwater，blueskyandanevenmorepromisingworld![阅读障碍词]1．deforestationn．滥伐森林2．takeitforgranted(that)认为……是，理所当然3．prosperityn.繁荣；兴旺，昌盛4．atthethresholdof在……的开始5．inheritvt.&vi.继承21．Whatwillbecausedwiththedevelopmentofmodernindustry?Theglobalairandwaterpollutionwillbecausedbyindustrialwastes.2．Whatwillwedoifwewantournextgenerationtoappreciateus?Wetrytogivethemaworldofharmonytoinherit.SectionⅠReading(Ⅰ)(Warm­up&Lesson1)Ⅰ.匹配下列单词的词性及汉语意思()1.trapA．vt.提倡，主张()2.principleB．vt.迫使(某人)陷入不幸的境地()3.consensusC．n.代替品，代用品()4.beyondD．vt.使困住()5.relevantE．n.原则，道德准则()6.coincidenceF．prep.超出……的控制()7.condemnG．n.一致的意见()8.sacrificeH．adj.有关的()9.advocateI．n．巧合()10.substituteJ．vt.&n.牺牲；献出[答案]1－5DEGFH6－10IBJACⅡ.选择下列句中词组的汉语意思A.由于B.处于危险中C.展望未来D.轮流E.采取行动F.在……前面()1.ThejetarrivedinJohannesburgtwominutesaheadofschedule.()2.I'mtryingtolookaheadatwhatmighthappenandbereadytohandleit.()3.Thefirementookactionimmediatelytostoptheforestfirespreading.()4.Thefloodcameaboutasaresultoftheheavyspringrains.()5.Heaskedeachoftheminturnthreequestions.()6.Theirlackoftrainingcouldputmembersofthepublicatrisk.[答案]1－6FCEADB3Canwetaketheheat?Inthelastfewdecades①，scientistshavereachedconsensusandreportedthathumanbeingsarecausingchangesintheEarth'sclimate—somethingpreviouslyseenasbeyondourcontrol.Theyclaim(声称)thatinthelast50years,gasespumpedintotheEarth'satmospherebythefactoriesandvehicleshavebeenspeedinguptheprocessofglobalwarmingandaffectingourclimate.Lookingahead,scientistsbelievethatglobalwarmingcouldbeoneofthebiggestenvironmentalproblemsfacingthe21stcentury②.Butwhatexactlyisglobalwarming,whyisitseenasadanger,andhowisitrelevanttoourlives？我们受得了这么热吗？在过去的几十年里，科学家一致认为，人类正在造成地球气候的变化——这是一种原来被认为是超出我们控制能力的现象。他们声称，在过去的50年里，工厂和车辆排入地球大气层中的气体加速了全球变暖的进程，影响了我们的气候。展望未来，科学家们认为全球变暖可能是21世纪面临的最严重的环境问题之一。但是，确切地说，什么是全球变暖？为什么把它视为一种危险？它如何与我们的生活相关呢？[助读讲解]①inthelast/pastfewdecades/years/months/days常与现在完成时连用。②现在分词短语facingthe21stcentury作后置定语，修饰thebiggestenvironmentalproblems。GlobalwarmingreferstoanaverageincreaseintheEarth'stemperaturethat,inturn,leadstoclimatechange③.ScientistsfoundthatthetemperatureoftheEarthiscontrolledbygreenhousegasessuchascarbondioxidewhichtrapheatfromthesunintheEarth'satmosphere④.Withoutthesenaturallyoccurringgases,thesun'srayswouldbounce(反弹)backintospaceleavingtheEarthcoldandimpossibletoliveon⑤.Whenthepresenceofthesegasesintheatmosphereincreases,however,moreheatistrappedandtheEarth'stemperaturerises.全球变暖指的是地球温度平均增长，继而导致气候变化。科学家们发现地球的气温受温室气体如二氧化碳的控制，这些气体能将来自太阳的热量留在地球的大气层里。如果没有这些自然产生的气体，太阳光线将会被反射回太空中，使得地球处于寒冷之中而不适合生命的存在。然而，当大气层中的这些气体的浓度不断增加时，更多的热量被留在地球，造成地球气温上升。[助读讲解]③此处是that引导的定语从句，修饰anaverageincreaseintheEarth'stemperature。④which引导的定语从句，修饰先行词greenhousegases。⑤此句是without引出的含蓄虚拟句，thesun'srayswouldbounce...是与现在事实相反的虚拟4语气，其中leaving...是现在分词短语作结果状语。Overthelast100years,theglobalaveragetemperaturehasincreasedby1℉andmanyexpertsinsistthattheblameforthisglobalwarmingcanmostlybepinned(把责任加在……身上)onhumanactivities.Asaresultofincreasedindustry,agriculture(农业),thecuttingdownofforests,theincreaseintransportandtheburningoffuels,nearly6tonnesofcarbondioxidegoesintotheatmosphereeveryyearforeveryoneoftheEarth's6billionpeople.Theamountofcarbondioxideintheatmospherehasrisenbymorethan30%inthelast250yearswithhalfofthisincreaseoccurringsince1960.Given⑥thisdata,itseemsthatthelinkbetweenhumanactivitiesandrisingglobaltemperaturesisnotmerelyacoincidence.在过去的100年里，全球的平均温度增加了1华氏度，许多专家坚持认为，在很大程度上，人类的活动是导致全球变暖的重要原因。随着工业、农业规模的不断扩大，成片成片的森林被砍伐，交通运输日益频繁，燃料消耗不断增长，每年有接近6吨的二氧化碳被释放到供地球上60亿人中的每一个人呼吸的空气当中。在过去的250年里，大气中的二氧化碳含量已经增加了30%以上，而其中的一半是在1960年以后增加的。考虑到这个数据，人类活动与正在上升的全球温度之间的关联似乎不仅仅是一个巧合。[助读讲解]⑥givenprep.考虑到，鉴于。Atemperatureincreaseof1°Fmaynotsoundlikealot,butifwecontinuetoproducecarbondioxideandothergasesinsuchhugequantities,wearecondemninglifeonEarthandshoulde