2009年考研英语完形填空真题及解析

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1、2009年考研英语完形填空真题解析   Researchonanimalintelligencealwaysmakesmewonderjusthowsmarthumansare. 1 thefruit-flyexperimentsdescribedinCarlZimmer'spieceintheScienceTimesonTuesday.Fruitflieswhoweretaughttobesmarterthantheaveragefruitfly 2 toliveshorterlives.Thissuggests

2、that 3 bulbsburnlonger,thatthereisan4innotbeingtooterrificallybright.   Intelligence,it 5 ,isahigh-pricedoption.Ittakesmoreupkeep,burnsmorefuelandisslow 6 thestartinglinebecauseitdependsonlearning-a 7 process-insteadofinstinct.Plentyofotherspeciesareabletolear

3、n,andoneofthethingsthey'veapparentlylearnediswhento 8 .   Isthereanadaptivevalueto 9 intelligence?That'sthequestionbehindthisnewresearch.Ilikeit.Insteadofcastingawistfulglance 10 atallthespecieswe'veleftinthedustI.Q.-wise,itimplicitlyaskswhatthereal 11 ofourow

4、nintelligencemightbe.Thisis 12 themindofeveryanimalI'veevermet.   Researchonanimalintelligencealsomakesmewonderwhatexperimentsanimalswould 13 onhumansiftheyhadthechance.Everycatwithanowner, 14 ,isrunningasmallscalestudyinoperantconditioning.Webelievethat 15 a

5、nimalsranthelabs,theywouldtestusto 16 thelimitsofourpatience,ourfaithfulness,ourmemoryforterrain.Theywouldtrytodecidewhatintelligenceinhumansisreally 17 ,notmerelyhowmuchofitthereis. 18 ,theywouldhopetostudya 19 question:Arehumansactuallyawareoftheworldtheyliv

6、ein?20 theresultsareinconclusive. 1.［A］Suppose［B］Consider［C］Observe［D］Imagine   2.［A］tended［B］feared［C］happened［D］threatened   3.［A］thinner［B］stabler［C］lighter［D］dimmer   4.［A］tendency［B］advantage［C］inclination［D］priority   5.［A］insistson［B］sumsup［C］turnsout［D

7、］putsforward   6.［A］off［B］behind［C］over［D］along   7.［A］incredible［B］spontaneous［C］inevitable［D］gradual   8.［A］fight［B］doubt［C］stop［D］think   9.［A］invisible［B］limited［C］indefinite［D］different   10.［A］upward［B］forward［C］afterward［D］backward   11.［A］features［B］in

8、fluences［C］results［D］costs   12.［A］outside［B］on［C］by［D］across   13.［A］deliver［B］carry［C］perform［D］apply   14.［A］bychance［B］incontrast［C］asusual［D］forinstance   15.［A］if［B］unless［C］