湖北黄冈市2016高考英语阅读理解二轮精练(11)及(解析)答案

湖北黄冈市湖北黄冈市2016高考英语阅读理解精练（11）及（解析）答案阅读下列四篇短文，从每小题后所给的A,B,C或D四个选项中，选出最佳选项。ArecentstudyofancientandmodernelephantshascomeupwiththeunexpectedconclusionthattheAfricanelephantisdividedintotwodistinct（不同的）species.ThediscoverywasmadebyresearchersatYorkandHarvardUniversitieswhentheywereexaminingthegeneticrelationshipbetweentheancientwoollymammothandmastodontomodernelephants—theAsianelephant,Africanforestelephant,andAfricansavannaelephant.OncetheyobtainedDNAsequences（序列）fromtwofossils（化石）,mammothsandmastodons,theteamcomparedthemwithDNAfrommodernelephants.TheyfoundtotheiramazementthatmodernforestandsavannaelephantsareasdistinctfromeachotherasAsianelephantsandmammoths.ThescientistsuseddetailedgeneticanalysistoprovethattheAfricansavannaelephantandtheAfricanforestelephanthavebeendistinctspeciesforseveralmillionyears.Thedivergence,ofthetwospeciestookplacearoundthetimeofthedivergenceofAsianelephantsandwoollymammoths.Thisresultamazedallthescientists.Therehaslongbeendebateinthescientificcommunitythatthetwomightbeseparatespecies,butthisisthemostconvincingscientificevidencesofarthattheyareindeeddifferentspecies.Previously,manynaturalistsbelievedthatAfricansavannaelephantsandAfricanforestelephantsweretwopopulationsofthesamespecies,despitetheelephants’significantsizedifferences.Thesavannaelephanthasanaverageshoulderheightof3.5metreswhiletheforestelephanthasanaverageshoulderheightof2.5metres.Thesavannaelephantweighsbetweensixandseventons,roughlydoubletheweightoftheforestelephant.Butthefactthattheylooksodifferentdoesnotnecessarilymeantheyaredifferentspecies.HowevertheprooflayintheanalysisoftheDNA.AlfredRoca,assistantprofessorintheDepartmentofAnimalSciencesattheUniversityofIllinois,said,“Wenowhavetotreattheforestandsavannaelephantsastwodifferentunitsforconservationpurposes.Since1950,allAfricanelephantshavebeenconservedasonespecies.Nowthatweknowtheforestandsavannaelephantsaretwoverydistinctiveanimals,theforestelephantshouldbecomeabiggerpriority（优先）forconservationpurposes.”1.Oneofthefossilsstudiedbytheresearchersisthatof.A.theAsianelephant B.theforestelephantC.thesavannaelephant D.themastodonelephant.TheunderlinedworddivergenceinaragraphmeansAA.evolutionB.exhibitionC.separationD.examination.TheresearchersconclusionwasbasedonastudyoftheAfricanelephantsA.DNA B.height C.weight D.population.WhatareAlfredRoca’swordsmainlyabout?TheconservationofAfricanelephants.ThepurposeofstudyingAfricanelephants.ThewaytodivideAfricanelephantsintotwounits.ThereasonforthedistinctionofAfricanelephants.5.Whichofthefollowingcanbethebesttitleforthepassage?Naturalists’BeliefsaboutElephantsAmazingExperimentsaboutElephantsAnUnexpectedFindingaboutElephantsALongScientificDebateaboutElephants参考答案阅读下列四篇短文，从每小题后所给的A,B,C或D四个选项中，选出最佳选项。StevenSpielberg's2002science-fictionthrillerMinorityReportproducedaworldwherecomputerscouldreadmindsandpredictthefuture.Itseemedfancifulatthetime,butfantasyisedgingclosertofact.OnJan.3l,ateamofscientistsattheUCBerkeley,ledbyRobertKnightprogrammedcomputerstodecode（解码）brainwavesandreplaythemaswords.Fivemonthsearlier,anothergroupofBerkeleyscientistsshowedtheircolleaguesshortmoviesandusedcomputerstoplaybackincolorwhatpeoplesaw.Theseexperimentsareabigadvancefrom2006,whenaFrenchscientistfirstreplayedimagesfromahumanmind,ablack-and-whitecheckerboardpattern.Thepossibilitiesaregreat:adisabledpersoncould“speak；”doctorscouldaccessthemindofapatientwhofainted;youcouldrewatchyourdreamsonaniPad.Thereare,ofcourse,equallydarkside,suchastheinvoluntarytakeoutofinformationfromthebrain.Inspiteofthesebreakthroughs,JackGallant,theneuroscientistwholedthefirstBerkeleyteam,sayscurrenttechnologyfordecodingbrainactivityisstill“relativelyprimitive.”Thefieldisheldbackbyitspoormachinery,inparticularthefMRI.“Eventually,”saysGallant,“someonewillinventadecodingmachineyoucanwearasahat.”Suchanadvanceintothehumanmind,hesays,mighttake30years.Still,therecentadvancesatBerkeleyoffersmallanswers,whichscientistscanusetobeginunlockingthesecretsofmemoryandconsciousness.Whatisthebesttitleforthepassage?A.Newtechnologycanreadyourmind B.Fantasyisedgingclosertof