用户身份鉴别是通过____完成的
A、口令验证A
暂无解析
Hesetupinbusiness()hisownandwasverysuccessful.
Inthelast12yearstotalemploymentintheUnitedStatesgrewfasterthanatanytimeinthepeacetimehistoryofanycountry–from82to110millionbetween1973and1985–thatis,byafullonethird.Theentiregrowth,however,wasinmanufacturing,andespeciallyinno–blue-collarjobs…
Thistrendisthesameinalldevelopedcountries,andis,indeed,evenmorepronouncedinJapan.Itisthereforehighlyprobablethatin25yearsdevelopedcountriessuchastheUnitedStatesandJapanwillemploynolargeraproportionofthelaborforceInmanufacturingthandevelopedcountriesnowemployinfarming–atmost,10percent.TodaytheUnitedStatesemploysaround18millionpeopleinblue-collarjobsinmanufacturingindustries.By2010,thenumberislikelytobenomorethan12million.Insomemajorindustriesthedropwillbeevensharper.Itisquiteunrealistic,forinstance,toexpectthattheAmericanautomobileindustrywillemploymorethanone–thirdofitspresentblue-collarforce25yearshence,eventhoughproductionmightbe50percenthigher.
Ifacompany,anindustryoracountrydoesnotinthenextquartercenturysharplyincreasemanufacturingproductionandatthesametimesharplyreducetheblue-collarworkforce,itcannothopetoremaincompetitive–oreventoremain“developed.”Theattempttopreservesuchblue–collarjobsisactuallyaprescriptionforunemployment…
ThisisnotaconclusionthatAmericanpoliticians,laborleadersorindeedthegeneralpubliccaneasilyunderstandoraccept.WhatconfusestheissueevenmoreitthattheUnitedStatesisexperiencingseveralseparateanddifferentshiftsinthemanufacturingeconomy.Oneistheaccelerationofthesubstitutionofknowledgeandcapitalformanuallabor.Wherewespokeofmechanizationafewdecadesago,wenowspeakof“robotization“or“automation.”Thisisactuallymoreachangeinterminologythanachangeinreality.WhenHenryFordintroducedtheassemblylinein1909,hecutthenumberofman–hoursrequiredtoproduceamotorcarbysome80percentintwoorthreeyears–farmorethananyoneexpectstoresultfromeventhemostcompleterobotization.Butthereisnodoubtthatwearefacinganew,sharpaccelerationinthereplacementofmanualworkersbymachines–thatis,bytheproductsofknowledge.
1.Accordingtotheauthor,theshrinkageinthemanufacturinglaborforcedemonstrates______.
A.thedegreetowhichacountry’sproductionisrobotized
B.areductioninacountry’smanufacturingindustries
C.aworseningrelationshipbetweenlaborandmanagement
D.thedifferencebetweenadevelopedcountryandadevelopingcountry
2.Accordingtotheauthor,incoming25years,adevelopedcountryorindustry,inordertremaincompetitive,oughtto______.
A.reducethepercentageoftheblue-collarworkforce
B.preserveblue–collarjobsforinternationalcompetition
C.acceleratemotor–canmanufacturinginHenryFord’sstyle
D.solvetheproblemofunemployment
3.Americanpoliticiansandlaborleaderstendtodislike_____.
A.confusioninmanufacturingeconomy
B.anincreaseinblue–collarworkforce
C.internalcompetitioninmanufacturingproduction
D.adropintheblue–collarjobopportunities
4.Theword“prescription”in“aprescriptionforunemployment”maybetheequivalentto______
A.somethingrecommendedasmedicaltreatment
B.awaysuggestedtoovercomesomedifficulty
C.somemeasurestakeninadvance
D.adevicetodire
5.Thispassagemayhavebeenexceptedfrom________
A.amagazineaboutcapitalinvestment
B.anarticleonautomation
C.amotor-carmagazine
D.anarticleonglobaleconomy
Whyaretoday'soldermiddle-agedandelderlybecomingthenewwinners?
Shehiredalawyertoinvestigate,onlytolearnthatGabrielhadremovedhernamefromthedeed.Theinfinitiveverbphrase“onlytolearn”isused____.
Theauthortellsusinparagraph4________.