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ID:8225614
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时间:2018-03-10
《2011考研英语特训看阅读记单词(十一)》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、2011考研英语特训:看阅读记单词(十一)原文Sincethedawnofhumaningenuity,peoplehavedevisedevermorecunningtoolstocopewithworkthatisdangerous,boring,burdensome,orjustplainnasty.Thatcompulsionhasresultedinrobotics--thescienceofconferringvarioushumancapabilitiesonmachines.Andifscientistshave
2、yettocreatethemechanicalversionofsciencefiction,theyhavebeguntocomeclose.Asaresult,themodernworldisincreasinglypopulatedbyintelligentgizmoswhosepresencewebarelynoticebutwhoseuniversalexistencehasremovedmuchhumanlabor.Ourfactorieshumtotherhythmofrobotassemblyarms.Ourb
3、ankingisdoneatautomatedtellerterminalsthatthankuswithmechanicalpolitenessforthetransaction.Oursubwaytrainsarecontrolledbytirelessrobot-drivers.Andthankstothecontinualminiaturizationofelectronicsandmicro-mechanics,therearealreadyrobotsystemsthatcanperformsomekindsofbr
4、ainandbonesurgerywithsubmillimeteraccuracy--fargreaterprecisionthanhighlyskilledphysicianscanachievewiththeirhandsalone.Butifrobotsaretoreachthenextstageoflaborsavingutility,theywillhavetooperatewithlesshumansupervisionandbeabletomakeatleastafewdecisionsforthemselves
5、--goalsthatposearealchallenge.“Whileweknowhowtotellarobottohandleaspecificerror,”saysDaveLavery,managerofaroboticsprogramatNASA,“wecan'tyetgivearobotenough‘commonsense’toreliablyinteractwithadynamicworld.”Indeedthequestfortrueartificialintelligencehasproducedverymixe
6、dresults.Despiteaspellofinitialoptimisminthe1960sand1970swhenitappearedthattransistorcircuitsandmicroprocessorsmightbeabletocopytheactionofthehumanbrainbytheyear2010,researcherslatelyhavebeguntoextendthatforecastbydecadesifnotcenturies.Whattheyfound,inattemptingtomod
7、elthought,isthatthehumanbrain'sroughlyonehundredbillionnervecellsaremuchmoretalented--andhumanperceptionfarmorecomplicated--thanpreviouslyimagined.Theyhavebuiltrobotsthatcanrecognizetheerrorofamachinepanelbyafractionofamillimeterinacontrolledfactoryenvironment.Butthe
8、humanmindcanglimpsearapidlychangingsceneandimmediatelydisregardthe98percentthatisirrelevant,instantaneouslyfocusingonthemonkeyatthe
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