Passage1（1996年）Vitaminsareorganiccompoundsnecessaryinsmallamountsinthedietforthenormalgrowthandmaintenanceoflifeofanimals,includingman.Theydonotprovideenergy,41dotheyconstructorbuildanypartofthebody.Theyareneededfor42foodsintoenergyandbodymaintenance.Therearethirteenormoreofthem,andif43ismissingadeficiencydiseasebecomes44.Vitaminsaresimilarbecausetheyaremadeofthesameelements—usuallycarbon,hydrogen,oxygen,and45nitrogen.Theyaredifferent46theirelementsarearrangeddifferently,andeachvitamin47oneormorespecificfunctionsinthebody.48enoughvitaminsisessentialtolife,althoughthebodyhasnonutritionalusefor49vitamins.Manypeople,50.believeinbeingonthe"safeside"andthustakeextravitamins.However,awell-balanceddietwillusuallymeetallthebody'svitaminneeds.41.[A]either[B]so[C]nor[D]never42.[A]shifting[B]transferring[C]altering[D]transforming43.[A]any[B]some[C]anything[D]something44.[A]serious[B]apparent[C]severe[D]fatal45.[A]mostly[B]partially[C]sometimes[D]rarely46.[A]inthat[B]sothat[C]suchthat[D]exceptthat47.[A]undertakes[B]holds[C]plays[D]performs48.[A]Supplying[B]Getting[C]Providing[D]Furnishing49.[A]exceptional[B]exceeding[C]excess[D]external50.[A]nevertheless[B]therefore[C]moreover[D]meanwhilePassage2（1997年）ManpowerInc,with560,000workers,istheworld'slargesttemporaryemploymentagency.Everymorning,itspeople41intotheofficesandfactoriesofAmerica,seekingaday'sworkforaday'spay.Onedayatatime.42industrialgiantslikeGeneralMotorsandIBMstruggletosurvive43reducingthenumberofemployees,Manpower,basedinMilwaukee,Wisconsin,isbooming.44itseconomycontinuestorecover,theUSisincreasinglybecominganationofpart-timersandtemporaryworkers.This"45"workforceisthemostimportant46inAmericanbusinesstoday,anditis47changingtherelationshipbetweenpeopleandtheirjobs.Thephenomenonprovidesawayforcompaniestoremaingloballycompetitive48avoidingmarketcyclesandthegrowingburdens49byemploymentrules,healthcarecostsandpensionplans.Forworkersitcanmeananendtothesecurity,benefitsandsenseof50thatcamefrombeingaloyalemployee.41.[A]swarm[B]stride[C]separate[D]slip42.[A]For[B]Because[C]As[D]Since43.[A]from[B]in[C]on[D]by44.[A]Eventhough[B]Nowthat[C]Ifonly[D]Providedthat45.[A]durable[B]disposable[C]available[D]transferable46.[A]approach[B]flow[C]fashion[D]trend47.[A]instantly[B]reversely[C]fundamentally[D]sufficiently48.[A]but[B]while[C]and[D]whereas49.[A]imposed[B]restricted[C]illustrated[D]confined50.[A]excitement[B]conviction[C]enthusiasm[D]importancePassage3（1998年）UntilrecentlymosthistoriansspokeverycriticallyoftheIndustrialRevolution.They41thatinthelongrunindustrializationgreatlyraisedthestandardoflivingforthe42man.Buttheyinsistedthatits43resultsduringtheperiodfrom1750to1850werewidespreadpovertyandmiseryforthe44oftheEnglishpopulation.45contrast,theysawintheprecedinghundredyearsfrom1650to1750,whenEnglandwasstilla46agriculturalcountry,aperiodofgreatabundanceandprosperity.Thisview,47.isgenerallythoughttobewrong.Specialists48historyandeconomics,have49twothings:thattheperiodfrom1650to1750was50bygreatpoverty,andthatindustrializationcertainlydidnotworsenandmayhaveactuallyimprovedtheconditionsforthemajorityofthepopulace.41.[A]admitted[B]believed[C]claimed[D]predicted42.[A]plain[B]average[C]mean[D]normal43.[A]momentary[B]prompt[C]instant[D]immediate44.[A]bulk[B]host[C]gross[D]magnitude45.[A]on[B]With[C]For[D]By46.[A]broadly[B]thoroughly[...
