2009年考研英语一真题答案解析

2009Section1-5BADBC11-15DBCDA6-10ADCBD16-20CBAACSectionPartA21-25CDADA31-35DBBCC26-30ACDAB36-40BBDACPartB41-45CEABGPartC46.47.48.4950.SectionPartADeareditorIhavebeenreadingyournewspaperformanyyearsandnowIamwritingthislettertoinformyouofthepressingsituationwearefacingnow.Accustomedtousingplasticbagsindailylife,somepeoplestilltakethewhitepollutionforgranted,whichwillgreatlyworsenourenvironment.Asweknow,limitingtheuseofdisposableplasticbagsisofutmostsignificance.Therefore,tosavethesituationfromfurtheraggravating,Iwouldliketogivethefollowingsuggestions:Firstandforemost,groupsandindividualswhoarepollutingourenvironmentbyusingtheplasticdisposableplasticbagsshouldbeseverelypunished.Inaddition,thelocalmediacanmakefulluseoftheirowninfluencetopublicizethenegativeeffectofplasticbagsandenhancepeoplesawarenessofenvironmentalprotection.Lastbutnotleast,newtechnologiesshouldbedevelopedtofindpossiblealternativeswithdegradableandrenewablematerials.Ihopethatmysuggestionsarehelpfulandyourpromptattentiontomysuggestionswouldbehighlyappreciated.SincerelyyoursLiMingPartBAswecanseeinthepicture,manypeople,oldoryoung,menorwomen,areinfrontofacomputerandusingtheinternetinthespacejustlikeahugewebofaspider.Thecaptioninthedrawingreads:theinternet:nearorfar.ItisobviousthatthehugespiderwebisthesymboloftheInternetandthesymbolicmeaningofthepictureistheeffectoftheinternetonpeopleswayoflife.ThereisnodoubtthattheInternetprovidesuswithconsiderableconvenience.Internetisrevolutionizingourwayofliving,makingmanythingspossiblewhicharebeyondourdreams.Asacommunicationtool,theinternetmakesuscloserthaneverbeforebyprovidingimmediatecommunicationviae-mail,QQ,MSNorICQ,nomatterhowfarawayourfriendsare.Sointhissense,theinternetismakingusnearertoeachother.However,therearenegativeeffectsoftheinternetonpeopleslife.Asisshowninthepicture,peopleareimprisonedintheirownrespectivesmallcabins,indulgingintheirownworld.Theychoosecontactingonlineratherthancommunicatingfacetoface.Duetotheaddictiontothefictionalexperience,peopleseemtohaveforgottenthetraditionalandmostefficientcommunicationmethod,andthusindifferencehasbecomeanotuncommonphenomenoninthemodernworld.Weoftenhearparentscomplainthattheyhavelessandlesstimechattingwiththeirchildreneitherbecausetheirchildrenspendtoomuchtimeplayinggamesorchattingonlinewithfriendsorstrangers.Alsotherearecoupleswhoseldomtalkwitheachother.Therefore,internetseemstomakenearpeoplefaraway.Hence,howtousemoderncommunicatingtoolssuchasinternetproperlyhasbecomesahotissueinrecentyears.Whileweareenjoyingtheconvenienceprovidedbytheinternet,weshouldalsobearinmindthathumanbeingsaresocialbeingswhoneedrealinterpersonalinteractions.Jointeffortsareneededtoensureenoughtimeforpeopleespeciallyfamiliestohaveface-to-facecommunicationwitheachother.Onlyinthiswaycanweexpectahealthydevelopmentoftherelationshipamongindividuals.200857TheCostofSmartsupkeepadaptivewistfulcastaglancebackwardleavesb/sthinthedust//operantconditioninginconclusive1.[B]SupposeObserveImagineConsiderthefruit-flyexperimentsdescribedinCarlZimmerintheScienceTimesConsider2.[A]tendtofeartohappentobethreatenedtotendto3.[D]lighterthinnerstablerdimmerDlighterthinnerstablerbulb4.[B]tendencyadvantageinclinationprioritybulbsburnlonger()advantage5.[C]turnsoutinsistonsumupputforwardFruitflieswhoweretaughttobesmarterthantheaveragefruitflytendtoliveshorterlives.Thissuggeststhatdimmerbulbsburnlonger,thatthereisanadvantageinnotbeingtoobright.turnout6.[A]offbehindoveralongoffalongoff7.[D]incrediblespontaneousinevitablegradualgradual8.[C]fightdoubtstopthinkC9.[B]intelligenceinvisibleindefinitedifferentlimitedintelligencelimited10.[D]castaglancebackwardupwardforwardafterward11.[D]featureinfluenceresultcostcost,12.[B]onthemindofsb.bythemindacrosscomeacrossonesmindoutsidemindonthemindofeveryanimal13.[C]experimentsperformexperimentsdelivercarryapplyexperiment14.[D]experimentsforinstancebychanceincontrastasusual15.[A]theywouldtestustoifunlessaslest16.[C]limitsofourpatience,ourfaithfulness,ourmemoryforterraindeterminedecidemoderateovercomereach17.[B]forintelligenceinhumansisreallyforwhatatafterwith18.[A]AboveallAfterallHoweverOtherwiseAboveall19.[A]questionfundamentalcomprehensiveequivalenthostileArehumansactuallyawareoftheworldtheyliveinfundamental20.[C]ByaccidentIntimeSofarBetterstillSofarPartA200854CanYouBecomeaCreatureofNewHabits?19212060,M.J.2006mindlesslyauto-pilotunreflectingparadoxicalcomfortzoneinherentlykilloffrutbypassanalyticallyprocedurallyrelationallycollaborativelyinnovativelyadolescencehighlightperpetuate21[C],WordsworthhabitNotchoice,buthabitrulestheunreflectingherd,WilliamWordsworthsaidinthe19thcentury19[C]mechanical()unreflectingWereachforthemmindlessly,settingourbrainsonauto-pilotandrelaxingintotheunconsciouscomfortoffamiliarroutine[C][A]casual[B]familiar[D]changeable22.[D]Soitseemsantitheticaltotalkabouthabitsinthesamecontextascreativityandinnovation.Butbrainresearchershavediscoveredthatwhenweconsciouslydevelopnewhabits,wecreateparallelsynapticpaths,andevenentirelynewbraincells,thatcanjumpourtrains