有哪些信誉好的足球投注网站- 1、本文档共12页，可阅读全部内容。
- 2、有哪些信誉好的足球投注网站（book118）网站文档一经付费（服务费），不意味着购买了该文档的版权，仅供个人/单位学习、研究之用，不得用于商业用途，未经授权，严禁复制、发行、汇编、翻译或者网络传播等，侵权必究。
- 3、本站所有内容均由合作方或网友上传，本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺！文档内容仅供研究参考，付费前请自行鉴别。如您付费，意味着您自己接受本站规则且自行承担风险，本站不退款、不进行额外附加服务；查看《如何避免下载的几个坑》。如果您已付费下载过本站文档，您可以点击 这里二次下载。
- 4、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等，请点击“版权申诉”（推荐），也可以打举报电话：400-050-0827(电话支持时间：9:00-18:30)。
分享高质量文档
2009年考研英语真题和答案
SectionIUseofEnglish
Directions:
Readthefollowingtext.Choosethebestword(s)foreachnumberedblankandmark
A,B,CorDonANSWERSHEET1.(10points)
Researchonanimalintelligencealwaysmakesmewonderjusthowsmarthumansare.
1thefruit-flyexperimentsdescribedinCarlZimmer’spieceintheScienceTimes
onTuesday.Fruitflieswhoweretaughttobesmarterthantheaveragefruitfly
2toliveshorterlives.Thissuggeststhat3bulbsburnlonger,thatthereis
an4innotbeingtooterrificallybright.
Intelligence,it5out,isahigh-pricedoption.Ittakesmoreupkeep,burnsmore
fuelandisslow6thestartinglinebecauseitdependsonlearning—agradual
7—insteadofinstinct.Plentyofotherspeciesareabletolearn,andoneof
thethingsthey’veapparentlylearnediswhento8.
Isthereanadaptivevalueto9intelligence?That’sthequestionbehindthis
newresearch.Ilikeit.Insteadofcastingawistfulglance10atallthespecies
we’veleftinthedustI.Q.-wise,itimplicitlyaskswhatthereal11ofour
ownintelligencemightbe.Thisis12themindofeveryanimalI’veevermet.
Researchonanimalintelligencealsomakesmewonderwhatexperimentsanimals
would13onhumansiftheyhadthechance.Everycatwithanowner,14,isrunning
asmall-scalestudyinoperantconditioning.webelievethat15animalsranthe
labs,theywouldtestusto16thelimitsofourpatience,ourfaithfulness,our
memoryforterrain.Theywouldtrytodecidewhatintelligenceinhumansisreally
17,notmerelyhowmuchofitthereis.18,theywouldhopetostudya19question:
Arehumansactuallyawareoftheworldtheylivein?20theresultsare
inconclusive.
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]te
文档评论（0）