【优化探究】（新课标）2014高考英语总复习 阅读理解专项攻略十二 生态环保类课件 外研版.ppt

《【优化探究】（新课标）2014高考英语总复习 阅读理解专项攻略十二 生态环保类课件 外研版.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、“人与自然和谐发展”是时代的主题，生态环保的话题也越来越多地出现在新试题中。在命题方面有以下趋势：1．题材：强调人与自然和谐发展。2．选材：关注人、自然的生态现状和未来发展。3．命题：形式多样，突出整体理解，合理推断。A_possible_solution_to_global_warming_may_be_further_away_than_ever,_accordingtoanewreportpublishedinthejournalNature.Scientistsmeasuringhowmuchofthegreenhousegascarbondioxideislocked

2、awayinthedeepoceanbyplanktonwhenitdiesfoundthatitwassignificantlylessthanpreviousestimates.Planktonisanaturalsponge(海绵)forcarbondioxide.Itoccursnaturallyintheoceananditsgrowthisstimulatedbyironwhichitusestophotosynthesise(光合作用)andgrow.Whenplanktondiesitsinkstothebottomoftheoceanlockingawayso

3、meofthecarbonithasabsorbedfromtheatmosphere.Fertilisingplanktonbytheartificialadditionofironhaslongbeenproposedasapotentialwaytogeoengineertheremovalofcarbondioxidefromtheatmosphere.ResearchersanalysedanareaoftheSouthernoceanknowntobenaturallyrichinironandtheirreportrevealsthattheamountofcar

4、bonsequestered(隐藏)tothedeepoceanforagiveninputofnaturalironfallsfarshortofpreviousgeoengineeringestimates.Thishasseriousimplicationsforproposalstoinfluenceclimatechangethroughironfertilisationofthesea.Yetsomeresearchersbelievethatthetheoryshouldnotbediscountedandthatmoreresearchisneeded.DrGa

5、ryFonesisamarinebiogeochemistattheUniversityofPortsmouth'sSchoolofEarthandEnvironmentalScience.HewaspartoftheteamwhichcarriedoutthestudyaroundtheCrozetislandsintheSouthernocean.Hesaid:“Weknowthatcarbonistransportedtothedeepoceanandseabed(海底)viatheplankton，butthequestionishowmuchandforhowlong

6、？”Thecombinedresultsofallthestudiesundertakensofarindicatethattherecouldbeotherfactorsinfluencingtheamountofcarbonexported.1．Whichstatementofthefollowingistheclosesttotheunderlinedsentenceinthemeaning?A．Peoplewillneversolvetheproblemofglobalwarming.B．Asolutiontotheproblemofglobalwarmingismor

7、eeffectivethanever.C．Ithasbeenfoundtosolvetheproblemofglobalwarming.D．Thereisstillalongwaytogotosolvetheproblemofglobalwarming.2．Accordingtothepassage，whatdoesplanktonusetogrow?A．Carbondioxide.B．Iron.C．Photosynthesise.D．Seawater.3.Inwhichsectionofa