2009考研英语真题及详解.doc

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1、2009年全国硕士研究生入学统一考试英语试题SectionIUseofEnglishDirections:Readthefollowingtext.Choosethebestword(s)foreachnumberedblankandmarkA,B,CorDonANSWERSHEET1.(10points)Researchonanimalintelligencealwaysmakesmewonderjusthowsmarthumansare.thefruit-flyexperimentsdescribedinCarlZimmer'spieceintheSci

2、enceTimesonTuesday.Fruitflieswhoweretaughttobesmarterthantheaveragefruitflytoliveshorterlives.Thissuggeststhatbulbsburnlonger,thatthereisaninnotbeingtooterrificallybright.Intelligence,itout,isahigh-pricedoption.Ittakesmoreupkeep,burnsmorefuelandisslowthestartinglinebecauseitdepends

3、onlearning—agradual—insteadofinstinct.Plentyofotherspeciesareabletolearn,andoneofthethingsthey'veapparentlylearnediswhento.Isthereanadaptivevaluetointelligence?That'sthequestionbehindthisnewresearch.Ilikeit.Insteadofcastingawistfulglanceatallthespecieswe'veleftinthedustI.Q.-wise,it

4、implicitlyaskswhattherealofourownintelligencemightbe.ThisisthemindofeveryanimalI'veevermet.Researchonanimalintelligencealsomakesmewonderwhatexperimentsanimalswouldonhumansiftheyhadthechance.Everycatwithanowner,,isrunningasmall-scalestudyinoperantconditioning.webelievethatanimalsran

5、thelabs,theywouldtestustothelimitsofourpatience,ourfaithfulness,ourmemoryforterrain.Theywouldtrytodecidewhatintelligenceinhumansisreally,notmerelyhowmuchofitthereis.,theywouldhopetostudyaquestion:Arehumansactuallyawareoftheworldtheylivein?theresultsareinconclusive.1.[A]Suppose[B]Co

6、nsider[C]Observe[D]Imagine2.[A]tended[B]feared[C]happened[D]threatened3.[A]thinner[B]stabler[C]lighter[D]dimmer4.[A]tendency[B]advantage[C]inclination[D]priority5.[A]insistson[B]sumsup[C]turnsout[D]putsforward6.[A]off[B]behind[C]over[D]along7.[A]incredible[B]spontaneous[C]inevitabl

7、e[D]gradual8.[A]fight[B]doubt[C]stop[D]think9.[A]invisible[B]limited[C]indefinite[D]different10.[A]upward[B]forward[C]afterward[D]backward11.[A]features[B]influences[C]results[D]costs12.[A]outside[B]on[C]by[D]across13.[A]deliver[B]carry[C]perform[D]apply14.[A]bychance[B]incontrast[

8、C]asusual[D]forinstance15.