climate change, global warming, the greenhouse effect 阅读理解答案

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1、Climatechange,globalwarming,thegreenhouseeffect阅读理解答案　　阅读理解Climatechange,globalwarming,thegreenhouseeffect…thesedaysnobodydeniesthatthereissomethingstrangeandworryinghappeningtotheatmosphere.Scientistsarepuzzledbytheriseincarbondioxideintheatmosphere.Theyareafraidthattheworldmaybeashortwa

2、yfromwhattheyrefertoasuncontrolledglobalwarming.　　AtMaunaLoaObservatoryinHawaii,meteorologists(气象专家)havebeencarefullymonitoringtheamountofcarbondioxideintheEarth’satmosphereforthepast50years.Untilrecently,therehasbeenagradualincreaseofaroundpartspermillion(ppm).In2013thefigurerosetoppmand

3、inthefollowingyeartheyregisteredanincreaseofppm.　　Climateanalystsfeelthatitistoosoontodrawconclusionsaboutthephenomenonalthoughthepublicareconcernedthatthecarbondioxideemissionsaregettingoutofcontrol.JasonSamenow,thechiefmeteorologistintheAmericanNationalWeatherService,thinksthatinsteadof

4、havingdecad　　　　estofindasolutiontotheproblem,peoplemighthaveonlyafewyears.HebelievesthattheEarth’snaturalsystemsforabsorbingthegasarebreakingdownresultingintheuncontrolledgreenhouseeffect.HeinsiststhatthisissomethingthatcouldhappeniftheEarth’stemperaturesrosetosuchadegreethatitwasunableto

5、containtheheat.　　Oneinterestingaspectofthisclimatechangeisthatitisnothappeninginauniformwayaroundtheworld.CarbondioxidelevelsintheSouthPolearenoticeablylower.Thissuggeststhatsomethinghashappenedinthenorthernhemispherethatsetofftherise.ForestfiresinNorthAmericamightholdtheanswertothepuzzle

6、,alongwithveryhotsummersinEurope.　　The2014heatwavewascertainlyoutoftheordinary.Statisticsclaimthatmorethan30,000peoplelosttheirlivesasadirectresultofthehightemperatures.Scientistsarebeingcautiousintheirinterpretations.Mostfeelthatitistoosoontosaythatanewtrendhas　　　　beenset.Allagreethatthe

7、phenomenonneedstobecloselyobserved.　　32.WhatpuzzlesscientistsaccordingtoParagraph1　　A.Somethingstrangeandworryinginlife.　　B.Uncontrolledglobalwarming.　　C.Theincreaseincarbondioxideintheatmosphere.　　D.Theeffectsofclimatechangeoneverybody.　　33.WhatopiniondoesJasonSame