2020版高考英语一轮复习Unit4Globalwarming课时作业（含解析）新人教版选修6

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1、Unit4Globalwarming课时作业Ⅰ.阅读理解A(2019·山师附中模拟)Sometimeswemayfindthateveryweektherearealotofnewstoriesabouthowclimatechangeisaffectingtheplanet，ornewplanstobattleitseffects.Buttheconceptitselfisn'tnewatall—infact，scientistshavebeenexploringquestionsaboutclimatechangeforalmost200years.Theideaof“gr

2、eenhousegases”goesbackto1824，whenJosephFourierwonderedwhatwasregulatingtheearth'stemperature.Fourierconcludedthattheatmospheremustberesponsibleforcontainingtheheatabsorbedfromthesunanddescribeditasaboxwithaglasslid.Aslightshinesthroughtheglass，theinsidegetswarmerasthelidtrapstheheat.AsFourie

3、r'sideasspread，itcametobecalled“thegreenhouseeffect”．Scientistscontinuedtostudythegreenhouseeffect.NotuntilaSwedishchemistnamedSvanteArrheniuscamealong，didscientistsunderstandhowglobalwarmingactuallyworks.Afteryearsofwork，Arrheniusdeterminedthatthelevelofcarbondioxideintheatmospheredidinfact

4、haveadirecteffectonglobaltemperatures.ArrheniusfoundthatCO2，andothergasestrapradiation，whichwarmstheatmosphere.Arrheniuswasthefirsttosuspectthatburningcoalcouldcontributetothegreenhouseeffect.ButArrheniuswelcomedthewarmingeffectontheplanet.Atalecturelaterthatyear，Arrheniusnotedthatcreatureso

5、fawarmerearth“mightliveunderamilderskyandinlessbarrensurroundings”．WhileArrhenius'findingswonhimthe1903NobelPrizeinchemistry，scientistskeptdebatingwhetherthegreenhouseeffectwasincreasinguntil1950，whenresearchersfinallybegantofindstrongdatasupportingit.Bytheendofthe1950s，Americanscientistshad

6、beensoundingthealarmonthelong－termconsequencesofclimatechange.ClimatechangeresearchhascomealongwaysinceFourierfirstdescribedthegreenhouseeffect－still，maybeArrheniusshouldhavebeenmorecarefulofwhathewishedfor.【文章大意】　本文主要讲述了科学家们对气候变化的众多探索。200年来科学家们一直在探索气候变化的问题。温室效应这个观点的提出可以追溯到1824年。瑞典化学家Arrheni

7、us是第一位质疑燃烧煤会增加温室效应的人，并且在1903年获得诺贝尔化学奖。1．Whatdoestheunderlinedword“it”inParagraph2referto?A．Theatmosphere.B．Thegreenhouseeffect.C．Theclimatechange.D．Theheatfromthesun.【答案】　A　词义猜测题。根据第二段Fourierconcludedthattheatmospheremustberesponsibleforcontainingt