选修六unit4课文原文和翻译

THEEARTHISBECOMINGWARMER-BUTDOESITMATTER?全球在变暖——这会带来什么影响吗？SkimmingSkimthetitle:THEEARTHISBECOMINGWARMER–BUTDOESITMATTER?Whatisthemaintopic?A.Theearth.B.Globalwarming.C.Becomingwarmerdoesn’tmatter.★★Wheredoesthisarticlemostprobablycomefrom?A.NewspaperB.NovelC.Magazine•Duringthe20thcenturythetemperatureoftheearthroseaboutonedegreeFahrenheit.在20世纪期间，地球温度大约升了华氏1度。Thatprobablydoesnotseemmuchtoyouorme,butitisarapidincreasewhencomparedtoothernaturalchanges.这个数值对你我来说很可能是无所谓的，但是跟其他自然变化相比较而言，这却是一种快速的增长。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？EarthCare’sSophieArmstrongexploresthesequestions.“关爱地球”组织的索菲·阿姆斯特朗就在探究这些问题。comparedto与....比较；把...比作...comeabout产生comeaboutcomeabout:takeplace;happen表示“发生、产生”，多指事情已经发生了，但还不知道为什么，常用于疑问句和否定句,例:WhenMotherwokeup,shedidn’tknowwhathadcomeabout.I’llneverunderstandhowitcameaboutthatyouwerelatethreetimesaweek.Whowrotethearticle?Whatisthenameofthemagazine?Skimthefirstparagraph:SophieArmstrongEarthCare听录音•Thereisnodoubtthattheearthisbecomingwarmer(seeGraph1)andthatitishumanactivitythathascausedthisglobalwarmingratherthanarandombutnaturalphenomenon.毫无疑问，地球是在变暖（见表一，略），而地球变暖正是人类活动导致而成的，并非是一种无规律的自然现象。…itishumanactivitythathascausedthisglobalwarmingratherthanarandombutnaturalphenomenon.arandombutnatural修饰phenomenon，译为“随意的自然的现象”，but起一个语气转折的作用，可不译出。ratherthan而不是……Sheisacareerwomanratherthanahousewife.她是职业妇女而不是家庭主妇。ratherthan在更大程度上Thesearepoliticalratherthansocialmatters.与其说这些是社会问题，不如说是政治问题。PartII(Para2-3)1.Everyonebelievesthatglobalwarmingiscausedbytheactivitiesofhumans.2.JaniceFosterbelievesthatshecanmeasurethefutureglobalriseintemperature.3.GreenhouseGasesaretotallybad.FTF•Allscientistssubscribetotheviewthattheincreaseintheearth'stemperatureisduetotheburningoffossilfuelslikecoal,naturalgasandoiltoproduceenergy.所有的科学家赞同这种观点：人们为了生产能量而燃烧化石燃料（如煤、天然气和石油等），从而引起了地球温度的升高。Somebyproductsofthisprocessarecalledgreenhousegases,themostimportantoneofwhichiscarbondioxide.这个升温的过程的一些副产品就叫做“温室”气体，其中作用重要的就是二氧化碳。1.Greenhousegasesreferto_______.A.carbondioxideB.theburningoffossilfuelsC.byproductsoftheburningoffossilfuelsD.coal,naturalgasandoilscanningReadingComprehensionIV•DrJaniceFosterexplains:Thereisanaturalphenomenonthatscientistscallthe'greenhouseeffect'.贾尼丝·福斯特博士解释说：“有一种科学家称之为‘温室效应’的自然现象。Thisiswhensmallamountsofgasesintheatmosphere,likecarbondioxide,methaneandwatervapour,trapheatfromthesunandthereforewarmtheearth.这种现象发生在大气层中少量的气体（如二氧化碳、甲烷、水蒸气等）吸收太阳的热量，因而使地球变暖的时候。2.Greenhouseeffect_____.A.isanaturalphenomenonB.happenswhenthere’stoomuchcarbondioxideC.doesgreatharmtohumanbeingsD.makeslifeforhumanbeingsbetterscanningReadingComprehensionIV•Withoutthe'greenhouseeffect',theearthwouldbeaboutthirty-threedegreesCelsiuscoolerthanitis.如果没有这种‘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。So,weneedthosegases.Theproblembeginswhenweaddhugequantitiesofextracarbondioxideintotheatmosphere.因此，我们需要这些气体。当我们在大气层中增加了大量额外的二氧化碳时，问题就来了。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。”quantitiesof大量的tendtodosht倾向做某事betrappedin被困住goup上升1.Greenhouseeffectisanaturalp_______.______amountsofGreenhousegasesintheatmosphere.Buttheproblembeginswhenweaddhugeqofextracarbondioxidetotheatmosphere.Therefore,moreheatenergyistintheatmospherecausingtheglobaltemperatureto_________.FillintheblanksaboutthecausesofGreenhouseeffect.henomenonuantitiesrappedgoupSmall•Weknowthatthelevelsofcarbondioxidehaveincreasedgreatlyoverthelast100to150years.我们知道，在过去100~150年期间，二氧化碳的含量急剧增加了。ItwasascientistcalledCharlesKeeling,whomadeaccuratemeasurementsoftheamountofcarbondioxideintheatmospherefrom1957to1997.有一位名叫查尔斯·基林的科学家曾经把1957~1997年期间大气层中二氧化碳的含量作了精确的统计。Hefoundthatbetweentheseyearsthecarbondioxideintheatmospherewentupfromaround315partstoaround370partspermillion(seeGraph2).他发现，在这些年里，大气层中的二氧化碳含量从315/1000000上升到370/1000000。（见表二，略）accuratemeasurements精确的统计theamountof....的数量3._____foundouttheamountofcarbondioxideintheatmospherefrom1957to1977.A.Dr.JaniceFosterB.CharlesKeelingC.GeorgeHambleyD.SophieArmstrongPara4.thelevelsofcarbondioxidehaveincreasedgreatlyoverthelast100to150years1.Howmuchhasincreased?Thecarbondioxideintheatmospherewentupfromaround315partstoaround370partspermillion.•Allscientistsacceptthisdata.所有科学家都接受这个数据。Theyalsoagreethatitistheburningofmoreandmorefossilfuelsthathasresultedinthisincreaseincarbondioxide.他们还赞同下述观点，正是由于越来越多燃烧化石燃料导致了二氧化碳的增加。Sohowhighwillthetemperatureincreasego?那么气温会升到多高？DrJaniceFostersaysthatoverthenext100yearstheamountofwarmingcouldbeaslowas1to1.5degreesCelsius,butitcouldbeashighas5degrees.福斯特博士说，在今后的100年里，全球变暖的量可能低到1~1.5摄氏度，但是也有可能高达5摄氏度。Para5.Howhighwillthetemperaturego?Theamountofwarmingcouldbeaslowas1to1.5degreesCelsius,butitcouldbeashighas5degrees.•However,theattitudeofscientiststowardsthisriseiscompletelydifferent.然而，科学家们在对待升温的态度上却是大不相同的。Ontheonehand,DrFosterthinksthatthetrendwhichincreasesthetemperatureby5degreeswouldbeacatastrophe.一方面，福斯特博士认为气温升高5度的趋势可能是一场大灾难，Shesays,Wecan'tpredicttheclimatewellenoughtoknowwhattoexpect,butitcouldbeveryserious.她说：“对于未来的气候，我们不可能做出精确的预