“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.Scientistsmeasuringhowmuchofthegreenhousegascarbondioxideislockedawayinthedeepoceanbyplanktonwhenitdiesfoundthatitwassignificantlylessthanpreviousestimates.Planktonisanaturalsponge(海绵)forcarbondioxide.Itoccursnaturallyintheoceananditsgrowthisstimulatedbyironwhichitusestophotosynthesise(光合作用)andgrow.Whenplanktondiesitsinkstothebottomoftheoceanlockingawaysomeofthecarbonithasabsorbedfromtheatmosphere.Fertilisingplanktonbytheartificialadditionofironhaslongbeenproposedasapotentialwaytogeo­engineertheremovalofcarbondioxidefromtheatmosphere.ResearchersanalysedanareaoftheSouthernoceanknowntobenaturallyrichinironandtheirreportrevealsthattheamountofcarbonsequestered(隐藏)tothedeepoceanforagiveninputofnaturalironfallsfarshortofpreviousgeo­engineeringestimates.Thishasseriousimplicationsforproposalstoinfluenceclimatechangethroughironfertilisationofthesea.Yetsomeresearchersbelievethatthetheoryshouldnotbediscountedandthatmoreresearchisneeded.DrGaryFonesisamarinebiogeochemistattheUniversityofPortsmouth'sSchoolofEarthandEnvironmentalScience.HewaspartoftheteamwhichcarriedoutthestudyaroundtheCrozetislandsintheSouthernocean.Hesaid:“Weknowthatcarbonistransportedtothedeepoceanandseabed(海底)viatheplankton，butthequestionishowmuchandforhowlong？”Thecombinedresultsofallthestudiesundertakensofarindicatethattherecouldbeotherfactorsinfluencingtheamountofcarbonexported.1．Whichstatementofthefollowingistheclosesttotheunderlinedsentenceinthemeaning?A．Peoplewillneversolvetheproblemofglobalwarming.B．Asolutiontotheproblemofglobalwarmingismoreeffectivethanever.C．Ithasbeenfoundtosolvetheproblemofglobalwarming.D．Thereisstillalongwaytogotosolvetheproblemofglobalwarming.2．Accordingtothepassage，whatdoesplanktonusetogrow?A．Carbondioxide.B．Iron.C．Photosynthesise.D．Seawater.3.In