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当前位置:首页 > 行业资料 > 教育/培训 > 中考英语复习:-难度较大的阅读文章含答案(五)
第一篇“Salty”RicePlantBoostsHarvestsBritishscientistsarebreedinganewgenerationofriceplantsthatwillbeabletogrowinsoilcontainingsaltwater.Theirworkmayenableabandonedfarmstobecomeproductiveoncemore.TimFlowersandTonyYeo,fromSussexUniversity’sSchoolofBiologicalSciences,havespentseveralyearsresearchinghowcrops,suchasrice,couldbemadetogrowinwaterthathasbecomesalty.Thepairhaverecentlybegunathree-yearprogramme,fundedbytheBiotechnologyandBiologicalSciencesResearchCouncil,toestablishwhichgenesenablesomeplantstosurvivesaltyconditions.Theaimistobreedthiscapabilityintocrops,startingwithrice.Itisestimatedthateachyearmorethan10mhectares(公顷)ofagriculturallandarelostbecausesaltgetsintothesoilandstunts(妨碍生长)plants.Theproblemiscausedbyseveralfactors.Inthetropics,mangroves(红树林)thatcreateswamps(沼泽)andtraditionallyformedbarrierstoseawaterhavebeencutdown.IntheMediterranean,aseriesofdroughtshavecausedthewatertabletodrop,allowingseawatertoseep(渗透)in.inLatinAmerica,irrigationoftencausesproblemswhenwaterisevaporated(蒸发)bytheheat,leavingsaltdepositsbehind.Excesssaltthenenterstheplantsandpreventsthemfunctioningnormally.Heavyconcentrationsofmineralsintheplantsstopthemdrawingupthewatertheyneedtosurvive.Toovercometheseproblems,FlowersandYeodecidedtobreedriceplantsthattakeinverylittleslatandstorewhattheydoabsorbincellsthatdonotaffecttheplants‘growth.Theyhavestartedtobreedthesecharacteristicsintoanewricecrop,butitwilltakeabouteightharvestsbeforetheresultingseedsarereadytobeconsideredforcommercialuse.Oncethecharacteristicsforsurvivingsaltysoilareknown,FlowersandYeowilltrytobreedtheappropriategenesintoallmannersofcropsandplants.Landthathasbeenabandonedtonaturewillthenbeabletobloomagain,providingmuchneededfoodinthepoorercountriesoftheworld.31WhichofthefollowingstatementsaboutFlowersandYeoistrue?ATheyarestudentsatSussexUniversity.BTheyarericebreeders.CTheyarehusbandandwife.DTheyarecolleaguesataninstitutionofhigherlearning.32FlowersandYeohavestartedaprogrammeAtofindwaystopreventwaterpollution.Btoidentifygenesthatpromotegrowthinsaltysoil.Ctobreedriceplantsthattastesalty.Dtofindwaystoremoveexcessivesaltfromsoil.33WhichofthefollowingisNOTmentionedasacauseoftheproblemdiscussedinthepassage?ANaturalbarrierstoseawaterhavebeendestroyed.Bthewatertablehasgonedownafterdroughts.CSealevelhasbeencontinuouslyrising.DEvaporationofwaterleavessaltbehind34Theword“affect”inParagraph6couldbebestreplacedbyA“influence”B“effect”C“stop”D“present”35TheattitudeoftheauthortowardstheresearchprojectisApositiveBnegative.CsuspiciousDindifferent.第二篇Ford’sAssemblyLineWhenitcomestosinglingoutthosewhohavemadeadifferenceinallourlives,youcannotoverlookHenryFord.AhistorianacenturyfromnowmightwellconcludethatitwasFordwhomostinfluencedallmanufacturing,everywhere,eventothisday,byintroducinganewwaytomakecars-one,strangetosay,thatoriginatedinslaughterhouses(屠宰场)。Backintheearly1900‘s,slaughterhousesusedwhatcouldhavebeencalleda“disassemblyline”。Fordreversedthisprocesstoseeifitwouldspeedupproductionofapartofanautomobileenginecalledamagneto.Ratherthanhaveeachworkercompletelyassembleamagneto,oneofitselementswasplacedonaconveyer,andeachworker,asitpassed,addedanothercomponenttoit,thesameoneeachtime.ProfessorDavidHounshelloftheUniversityofDelaware,anexpertonindustrialdevelopment,tellswhathappened.“Thepreviousday,workerscarryingouttheentireprocesshadaveragedoneassemblyevery20minutes.Butonthatday,ontheline,theassembleteamaveragedoneevery13minutesand10secondsperperson.”Withinayear,thetimehadbeenreducedtofiveminutes.In1913,Fordwentalltheway.Hookedtogetherbyropes,partiallyassembledvehiclesweretowed(拖,拉)pastworkerswhocompletedthemonepieceatatime.Ithasn‘tlongbeforeFordwasturningoutseveralhundredthousandcarsayear,aremarkableachievementthen.Andsoefficientandeconomicalwasthisnewsystemthathecutthepriceofhiscarsinhalf,to$260,puttingthemwithinreachofallthosewho,upuntilthattime,couldnotaffordthem.Soon,automakerstheworldovercopiedhim.Infact,heencouragedthemtodosobywritingabookaboutallofhisinnovations,entitledTodayandTomorrow.TheAgeoftheAutomobilehasarrived.Today,aidedbyrobotsandotherformsofautomation(自动化),everythingfromtoasterstoperfumesismadeonassemblylines.36WhichofthefollowingstatementsaboutHenryFordisNOTtrue?AHeintroducedanewwayofproduction.BHeinfluencedallmanufacturing.CHeinspiredotherautomakers.DHechangedahistorian’smind.37Thewritermentions”slaughterhouses”becausetheyweretheplaceswhereAFord’sassemblylineoriginatedBFordmadehisfirstcar.CFordreadjustedtheassemblyline.DFordinnovatedthedisassemblyline.38AmagnetoisatechnicaltermforAanautomobile.BaproductionlineCapartofanautomobileengine.Dadisassemblyline39thephrase”turningout”inthelastparagraphcouldbebestreplacedbyA“producing”B“selling”C“buying”D“fixing”40TheinventionoftheassemblylineenabledHenryFordAtocreatemorejobsfortheunemployedBtowriteabookonhistoryCtoreducethepriceofhiscarsto$260Dtocuttheproductionofhiscarsby50%第三篇PlayPlayistheprincipalbusinessofchildhood,andinrecentyearsresearchhasshownthegreatimportanceofplayinthedevelopmentofahumanbeing.Fromearliestinfancy
本文标题:中考英语复习:-难度较大的阅读文章含答案(五)
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