在线名词解释大全 - test - 详细

PASSAGETWO(1)Sincethedawnofhumaningenuity,peoplehavedevisedevermorecunningtoolstocopewithworkthatisdangerous,boring,burdensome,orjustplainnasty.Thatcompulsionhasresultedinrobotics—thescienceofconferringvarioushumancapabilitiesonmachines.Andifscientistshaveyettocreatethemechanicalversionofsciencefiction,theyhavebeguntocomeclose.(2)Asaresult,themodernworldisincreasinglypopulatedbyintelligentgizmoswhosepresencewebarelynoticebutwhoseuniversalexistencehasremovedmuchhumanlabor.Ourfactorieshumtotherhythmofrobotassemblyarms.Ourbankingisdoneatautomatedtellerterminalsthatthankuswithmechanicalpolitenessforthetransaction.Oursubwaytrainsarecontrolledbytirelessrobot-drivers.Andthankstothecontinualminiaturizationofelectronicsandmicro-mechanics,therearealreadyrobotsystemsthatcanperformsomekindsofbrainandbonesurgerywithsubmillimeteraccuracy—fargreaterprecisionthanhighlyskilledphysicianscanachievewiththeirhandsalone.(3)Butifrobotsaretoreachthenextstageoflaborsavingutility,theywillhavetooperatewithlesshumansupervisionandbeabletomakeatleastafewdecisionsforthemselves—goalsthatposearealchallenge.“Whileweknowhowtotellarobottohandleaspecificerror,”saysDaveLavery,managerofaroboticsprogramatNASA,“wecan'tyetgivearobotenough‘commonsense’toreliablyinteractwithadynamicworld.”(4)Indeed,thequestfortrueartificialintelligencehasproducedverymixedresults.Despiteaspellofinitialoptimisminthe1960sand1970swhenitappearedthattransistorcircuitsandmicroprocessorsmightbeabletocopytheactionofthehumanbrainbytheyear2010,researcherslatelyhavebeguntoextendthatforecastbydecadesifnotcenturies.(5)Whattheyfound,inattemptingtomodelthought,isthatthehumanbrain'sroughlyonehundredbillionnervecellsaremuchmoretalented—andhumanperceptionfarmorecomplicated—thanpreviouslyimagined.Theyhavebuiltrobotsthatcanrecognizetheerrorofamachinepanelbyafractionofamillimeterinacontrolledfactoryenvironment.Butthehumanmindcanglimpsearapidlychangingsceneandimmediatelydisregardthe98percentthatisirrelevant,instantaneouslyfocusingonthemonkeyatthesideofawindingforestroadorthesinglesuspiciousfaceinabigcrowd.ThemostadvancedcomputersystemsonEarthcan'tapproachthatkindofability,andneuroscientistsstilldon'tknowquitehowwedoit.27.Theword“gizmos"(line1,paragraph2)mostprobablymeans

【答案】 C

  【考点】 词义题。

  【分析】 本题虽然考查的是词义,但是显然不是希望考生通过储备更大的词汇来回答,而是希望考生能够利用文中出现的细节来推断这个单词的意思。第二段第一句的意思说“由此引起的结果是,现代世界已经充斥着越来越多的智能____,尽管我们几乎都注意不到它们,但它们的普遍存在却节省了许多人类劳力。”然后作者提及到了“工厂机械手”、“自动柜员机”以及“机器人驾驶员”等等。由此我们可以认定这些设施都是对“gizmo”的例举和解释。而这几样东西具有一个共同的特征,即它们都是“工具”。相比四个选项,只有[C]最合适。

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