题目内容：
Robots1Themostsophisticated（先进的）Japaneserobots,whichhavevisionsystemsandworkatveryhighspeeds,arestillbasedonAmericandesigns.Studiesofrobots,particularlycomputercontrolsoftware,areconsideredtobegenerallylessadvancedinJapanthaninAmericaorEurope.
2Althoughindustrialrobotswereoriginallydevelopedasdevicesforsimplyhandlingobjects,todaytheircommonestusesareformoreskilledworklikewelding（焊接）,spray-paintingandassemblingcomponents.
3InBritain,robotsalesappropriatelypeakedin1984,buthavebeendecliningeversince.ThisispartlybecauseBritishwageratesaretoolowtomakerobotsfinanciallyattractiveandpartlybecauseengineersnowhavemoreexperiencewithrobotsandaremoreawareofthedifficultiesofintroducingthemeffectively.
4Ithasbeencalculatedthatarobotusesonaverageabout100timesmoreenergythanahumantodoanequivalentjob.
5Itisestimatedthat20%ofallcomicbookheroesinJapanarerobots.ThisisanenormousnumberbecausecomicsaresopopularthattheymakeupathirdofallmaterialpublishedinJapan.
6ThereliabilityofrobotsismeasuredintheirM.T.B.F.ormeantimebetweenfailures.Thishasrisenfromabout250hoursinthemid-1970stoabout10,000hourstoday（equivalenttoworking18hoursadayfortwoyears.）Onewayrobotmanufacturershaveincreasedreliabilityistotesteverysinglecomponenttheybuy,insteadofthenormalprocedureofjusttestingasmallsample.
7ThebiggestsinglebenefitofintroducingrobotsclaimedbyJapanesecompaniesisthattheyincreasequalit
参考答案：
答案解析：