THEEARTHISBECOMINGWARMER-BUTDOESITMATTER?全球在變暖——這會帶來什么影響嗎？THEEARTHISBECOMINGWARMER-B1SkimmingSkimthetitle:

THEEARTHISBECOMINGWARMER–BUTDOESITMATTER?Whatisthemaintopic?Theearth. B.Globalwarming.

C.Becomingwarmerdoesn’tmatter.

★★SkimmingSkimthetitle:Whati2Wheredoesthisarticlemostprobablycomefrom?NewspaperB.NovelC.Magazine

Wheredoesthisarticlemostp3

Duringthe20thcenturythetemperatureoftheearthroseaboutonedegreeFahrenheit.在20世紀期間，地球溫度大約升了華氏1度。Thatprobablydoesnotseemmuchtoyouorme,butitisarapidincreasewhencomparedtoothernaturalchanges.這個數值對你我來說很可能是無所謂的，但是跟其他自然變化相比較而言，這卻是一種快速的增長。Sohowhasthiscomeaboutanddoesitmatter?那么，這種溫度的增長是怎么產生的呢？會產生什么影響呢？EarthCare’sSophieArmstrongexploresthesequestions.“關愛地球”組織的索菲·阿姆斯特朗就在探究這些問題。comparedto與....比較；把...比作...

comeabout產生Duringthe20thcenturythet4comeaboutcomeabout:takeplace;happen表示“發生、產生”，多指事情已經發生了，但還不知道為什么，常用于疑問句和否定句,例:WhenMotherwokeup,shedidn’tknowwhathadcomeabout.I’llneverunderstandhowitcameaboutthatyouwerelatethreetimesaweek.comeaboutcomeabout:takepl5Whowrotethearticle?Whatisthenameofthemagazine?Skimthefirstparagraph:SophieArmstrongEarthCare聽錄音Whowrotethearticle?Whatis6Thereisnodoubtthattheearthisbecomingwarmer(seeGraph1)andthatitishumanactivitythathascausedthisglobalwarmingratherthanarandombutnaturalphenomenon.毫無疑問，地球是在變暖（見表一，略），而地球變暖正是人類活動導致而成的，并非是一種無規律的自然現象。Thereisnodoubtthattheear7…itishumanactivitythathascausedthisglobalwarmingratherthanarandombutnaturalphenomenon.arandombutnatural修飾phenomenon，譯為

“隨意的自然的現象”，but起一個語氣轉折的作用，可不譯出。…itishumanactivitythatha8ratherthan而不是……Sheisacareerwomanratherthanahousewife.

她是職業婦女而不是家庭主婦。ratherthan在更大程度上Thesearepoliticalratherthansocialmatters.

與其說這些是社會問題，不如說是政治問題。ratherthan而不是……9PartII(Para2-3)Everyonebelievesthatglobalwarmingiscausedbytheactivitiesofhumans.JaniceFosterbelievesthatshecanmeasurethefutureglobalriseintemperature.GreenhouseGasesaretotallybad.FTFPartII(Para2-3)Everyonebelie10Allscientistssubscribetotheviewthattheincreaseintheearth'stemperatureisduetotheburningoffossilfuelslikecoal,naturalgasandoiltoproduceenergy.所有的科學家贊同這種觀點：人們為了生產能量而燃燒化石燃料（如煤、天然氣和石油等），從而引起了地球溫度的升高。Somebyproductsofthisprocessarecalled"greenhouse"gases,themostimportantoneofwhichiscarbondioxide.這個升溫的過程的一些副產品就叫做“溫室”氣體，其中作用重要的就是二氧化碳。Allscientistssubscribetoth111.Greenhousegasesreferto_______.carbondioxideB.theburningoffossilfuelsC.byproductsoftheburningoffossilfuelsD.coal,naturalgasandoilscanningReadingComprehensionIV1.Greenhousegasesreferto__12DrJaniceFosterexplains:"Thereisanaturalphenomenonthatscientistscallthe'greenhouseeffect'.賈尼絲·福斯特博士解釋說：“有一種科學家稱之為‘溫室效應’的自然現象。Thisiswhen

smallamountsofgasesintheatmosphere,likecarbondioxide,methaneandwatervapour,trapheatfromthesunandthereforewarmtheearth.這種現象發生在大氣層中少量的氣體（如二氧化碳、甲烷、水蒸氣等）吸收太陽的熱量，因而使地球變暖的時候。DrJaniceFosterexplains:"Th132.Greenhouseeffect_____.A.isanaturalphenomenonB.happenswhenthere’stoomuchcarbondioxideC.doesgreatharmtohumanbeingsD.makeslifeforhumanbeingsbetterscanningReadingComprehensionIV2.Greenhouseeffect_____.sca14Withoutthe'greenhouseeffect',theearthwouldbeaboutthirty-threedegreesCelsiuscoolerthanitis.如果沒有這種‘溫室效應’，地球的溫度將比現在的溫度還要低33攝氏度左右。So,weneedthosegases.Theproblembeginswhenweaddhugequantitiesofextracarbondioxideintotheatmosphere.因此，我們需要這些氣體。當我們在大氣層中增加了大量額外的二氧化碳時，問題就來了。Itmeansthatmoreheatenergytendsto

betrappedintheatmospherecausingtheglobaltemperaturetogoup."這意味著更多的熱量被困在大氣層中，從而引起全球溫度上升。”quantitiesof大量的tendtodosht傾向做某事betrappedin被困住goup上升Withoutthe'greenhouseeffect151.Greenhouseeffectisanaturalp_______.______amountsofGreenhousegasesintheatmosphere.Buttheproblembeginswhenweaddhugeq

ofextracarbondioxidetotheatmosphere.Therefore,moreheatenergyist

intheatmospherecausingtheglobaltemperatureto_________.

FillintheblanksaboutthecausesofGreenhouseeffect.henomenon

uantities

rappedgoupSmall1.Greenhouseeffectisanatu16

Weknowthatthelevelsofcarbondioxidehaveincreasedgreatlyoverthelast100to150years.我們知道，在過去100~150年期間，二氧化碳的含量急劇增加了。

Itwas

a

scientistcalledCharlesKeeling,whomadeaccuratemeasurementsoftheamountofcarbondioxideintheatmospherefrom1957to1997.有一位名叫查爾斯·基林的科學家曾經把1957~1997年期間大氣層中二氧化碳的含量作了精確的統計。Hefoundthatbetweentheseyearsthecarbondioxideintheatmospherewentupfromaround315partstoaround370partspermillion(seeGraph2).他發現，在這些年里，大氣層中的二氧化碳含量從315/1000000上升到370/1000000。（見表二，略）accuratemeasurements精確的統計theamountof....的數量Weknowthatthelevelsofca17選修六unit4課文原文和翻譯ppt課件183._____foundouttheamountofcarbondioxideintheatmospherefrom1957to1977.A.Dr.JaniceFosterB.CharlesKeelingC.GeorgeHambleyD.SophieArmstrong3._____foundouttheamount19Para4.thelevelsofcarbondioxidehaveincreasedgreatlyoverthelast100to150years1.Howmuchhasincreased?Thecarbondioxideintheatmospherewentupfromaround315partstoaround370partspermillion.Para4.thelevelsofcarbond20

Allscientistsacceptthisdata.所有科學家都接受這個數據。Theyalsoagreethatitistheburningofmoreandmorefossilfuelsthathasresultedinthisincreaseincarbondioxide.他們還贊同下述觀點，正是由于越來越多燃燒化石燃料導致了二氧化碳的增加。Sohowhighwillthetemperatureincreasego?那么氣溫會升到多高？DrJaniceFostersaysthatoverthenext100years

theamountofwarmingcouldbeaslowas1to1.5degreesCelsius,butitcouldbeashighas5degrees.福斯特博士說，在今后的100年里，全球變暖的量可能低到1~1.5攝氏度，但是也有可能高達5攝氏度。Allscientistsacceptthisda21Para5.Howhighwillthetemperaturego?Theamountofwarmingcouldbeaslowas1to1.5degreesCelsius,butitcouldbeashighas5degrees.Para5.Howhighwillthetemp22

However,theattitudeofscientiststowardsthisriseiscompletelydifferent.然而，科學家們在對待升溫的態度上卻是大不相同的。Ontheonehand,DrFosterthinksthatthetrend

whichincreasesthetemperatureby5degreeswouldbeacatastrophe.一方面，福斯特博士認為氣溫升高5度的趨勢可能是一場大災難，Shesays,"Wecan'tpredicttheclimatewellenoughtoknowwhattoexpect,butitcouldbeveryserious."她說：“對于未來的氣候，我們不可能做出精確的預測，但是那時的天氣可能是很糟糕的。”Otherswhoagreewithherthinktheremaybeariseofseveralmetresinthesealevel,同意她的觀點的其他科學家認為，全球變暖會導致海平面上升好幾米；orpredictseverestorms,floods,droughts,famines,thespreadofdiseasesandthedisappearanceofspecies.也有人預言會出現嚴重的風暴、洪澇、干旱、饑荒、疫病和物種的滅絕。However,theattitudeofscie23Ontheotherhand,therearethose,likeGeorgeHambley,whoareopposedtothisview,believethatweshouldnotworryabouthighlevelsofcarbondioxideintheair.在另一方面，還有一些人，像科學家喬治·漢布利，反對上面的觀點，他們認為我們不必擔心空氣中會有高含量的二氧化碳。Theypredictthatanywarmingwillbemildwithfewbadenvironmentalconsequences.他們預言說，變暖的情況不會很嚴重，對環境的影響也不會太壞。Infact,Hambleystates,"Morecarbondioxideisactuallyapositivething.Itwillmakeplantsgrowquicker;cropswillproducemore;itwillencourageagreaterrangeofanimals-allofwhichwillmakelifeforhumanbeingsbetter."漢布利實際上是這樣說的：“二氧化碳含量的增加實際上是件好事，它使植物成長更快，莊稼產量更高，還會促進動物的生長——所有這些都能改善人類的生活。”agreaterrangeof更大范圍的Ontheotherhand,therearet24ThedifferentideasbetweenDr.JaniceFoster&GeorgeHambley

Dr.JaniceFosterGeorgeHambleyCarbondioxidehascausedtheglobaltemperatureto_________上升_.Anincreaseoffivedegreeswouldbea___________災難_andcouldbe___________非常嚴重___.Morecarbondioxideisa__________thing,whichmakescrops_____________產量更多andwillencourage____________________________.goupcatastropheveryseriouspositiveproducemoreagreaterrangeofanimalsThedifferentideasbetweenDr25Doesglobalwarmingmatter?Positiveeffects

Negativeeffects

Doesglobalwarmingmatter?Pos26causethesealeveltoriseseverestormsfloodsdroughtsfaminesthespreadofdiseasesdisappearanceofspeciesPositiveeffectsNegativeeffectscausethesealeveltorisePos27causethesealeveltoriseseverestormsfloodsdroughtsfaminesthespreadofdiseasesdisappearanceofspeciesPositiveeffectsNegativeeffectsmakeplantsgrowquickercropswillproducemoreagreaterrangeofanimalsmakelifebettercausethesealeveltorisePos28

Greenhousegasescontinuetobuildupintheatmosphere.溫室氣體繼續在大氣層中聚集。Evenifwestartreducingtheamountofcarbondioxideandothergreenhousegases,theclimateisgoingtokeeponwarmingfordecadesorcenturies.即使我們開始減少二氧化碳和其他溫室氣體的含量，在（未來）幾十年或幾個世紀內，氣候仍會持續轉暖。Nooneknowstheeffectsofglobalwarming.沒有人知道全球變暖帶來什么樣的影響。Doesthatmeanweshoulddonothing?這是不是意味著我們就不必采取任何措施呢？Or,aretheriskstoogreat?還是說，這樣不采取任何措施危險性會很大呢？Greenhousegasescontinueto294.WhichofthefollowingstatementsisTrue?Burningfossilfuelscausestheglobalwarming.B.Wewillhavemorefoodwithglobalwarming.C.Globalwarmingmeansdisasterstohumans.D.Moregreenhousegaseswillgatherintheatmosphere.4.Whichofthefollowingstat30Trueorfalse?(P27)scanningReadingComprehensionIII2Thetemperatureinthelastcenturydidn’tseemtoincreasemuch.2.Everyonebelievesthatglobalwarmingiscausedbytheactivitiesofhumans.3.JaniceFosterbelievesshecanmeasurethefutureglobalriseintemperature.4.Theriseincarbondioxideiscausingasteadyincreaseinglobalwarming.5.GeorgeHambleybelievesthatglobalwarmingwilldogoodratherthanharmtotheearth.6.Itisclearwhattheeffectsofglobalwarmingwillbe.Trueorfalse?(P27)scann311.Althoughweareburning___________coaleveryyear,wewon’t________ofitforcenturies.2.Iftheamountofgreenhousegasescontinuesto________,wecouldbefacingaglobalcatastrophe.quantitiesofII.Fillintheblanksusingthephrasesbelow.comparedto/withcomeaboutquantitiesofgoupresultinevenifbeopposedtobuilduprunoutrunoutgoup1.Althoughweareburning___323.Manyscientistsbelievethatgloba