(核心素养测评)三十选修6Unit5Thepowerofnature含解析.docx
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1、核心素养测评三十(限时35分钟)选修6Unit5ThepowerofnatureI.阅读理解TheozoneholethatopenseveryyearovertheAntarcticisoncoursetobethesmallestinthreedecades,scientistshavesaid.Researcherssaytheholeisalsoaparticularlyunusualshapethisyear,beingheavilyskewed(ffl)towardsSouthAmericainsteadofcentringontheSouthPole.Accordingtothe
2、BritishAntarcticSurvey,theholehadreachedanareaof11millionsquarekilometresinearlySeptember,whentheannualmspringwarming,teventkickedinmuchearlierthanusual.In2018,theholereachedamaximumareaof22.9millionsquarekilometres.In2002,thepolarvortexsplitintwo,creatingtwoseparateozoneholesoverthecontinent.AnnaJo
3、nes,ascientistattheBritishAntarcticSurvey,toldTheIndependenttheshapeoftheholethisyearwas“veryunusualw.Shesaid,“Thisisaprettynewphenomenon.Itcouldbeamultiplecollectionoffactors.”SatelliterecordsforthepolarvortexinAntarcticagobacktothelate1970s,butthe2002splitvortexistheonlyothermajorchange,wScientist
4、shaven,tquitefigureditoutyet.therearevariousthingstheycanlookat,butit,scertainlyveryunusual,“DrJonessaid.DrJonessaidthekeytoreducingthesizeoftheozoneholeinthelongtermwascontinuingtoclampdownontheillegalman-madechemicalscausingthedestruction.ShealsowarnedpeoplelivinginSouthAmericacouldnowbeatriskfrom
5、dangerousUVradiationastheozonehasthinned.Thekeythingisthatthegasesthatdestroyozonearestillaround,stillintheatmosphere,shesaid.Idoubtwewillseethisagainnextyear.Wecan,tberelieved,itabsolutelydoesn,tmeantheozoneholeisnevergoingtobeseenagain.”【文章大意】本文为说明文,讲的是科学家研究发现今年南极上空臭氧空洞的形状”异乎寻常”,严重向南美倾斜。1. Whatcan
6、beasuitabletitleforthetext?.TheStrangelyShapedAntarcticOzoneHoleB. TheTerribleEnvironmentalPollutionintheWorldC. TheGreatDamageDonetotheEnvironmentintheAntarcticD. TheRiskofDangerousUVRadiationintheAtmosphere【解析】选A。主旨大意题。纵观全文可知本文讲的是今年南极上空臭氧空洞的形状“异乎寻常”,严重向南美倾斜,与A项一致,故选A。2. Whatdoestheunderlinedpartrt
7、clampdownon”inthelastparagraphmean?.increaseB.limitC.pourD.release【解析】选B。词义猜测题。根据最后一段第一句话中的“thekeytoreducingthesizeoftheozonehole和.theillegalman-madechemicalscausingthedestruction”可知,此处表示减小臭氧层空洞的关键仍是限制破坏臭氧层的非法人造化学品,故选B。3. Whatcanwelearnaccordingtothepassage?A. TheozoneholeovertheAntarcticwillnotbese
8、enagain.B. ThepolarvortexinAntarcticafirsthappenedtothelate1970s.C. In2002,theholereachedamaximumareaof22.9millionsquarekilometres.D. TheannualspringwarmIngweventusuallykickedinlaterthanearlySeptember.【解析】选D。细节理解题。根据最后一段最后一句话可知A项错误;根据第四段第一句话可知南极极地涡旋的卫星纪录可以追溯到而不是极地涡旋第一次发生于20世纪70年代末,故B项错误;根据第二段第三句话可知C
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