六级英语精编.docx

六级英语

第一篇：六级英语Part¢òReadingComprehension(ReadinginDepth)(25minutes)SectionADirections:Inthissection,thereisapassagewithtenblanks.Youarerequiredtoselectonewordforeachblankfromalistofchoicesgiveninawordbankfollowingthepassage.Readthepassagethroughcarefullybeforemakingyourchoices.Eachchoiceinthebankisidentifiedbyaletter.PleasemarkthecorrespondingletterforeachitemonAnswerSheet2withasinglelinethroughthecentre.Youmaynotuseanyofthewordsinthebankmorethanonce.Questions47to56arebasedonthefollowingpassage.Adepartmentstore'sinputsincludethelanduponwhichthebuildingislocated,thelaboroftheemployees,(47)______intheformofbuilding,equipmentandmerchandise,andthemanagementskillsofthestoremanagers.Onafarm,theoperationsystemisthetransformationthatoccurswhenafarmer's(48)______(land,equipment,labor,etc.)areconvertedintosuchoutputsascorn,wheatormilk.Theexactformoftheconversionprocess(49)______fromindustrytoindustry,butitisan(50)______phenomenonthatexistsineveryindustry.Economistsrefertothis(51)______ofresourcesintogoodsandservicesastheproductionfunction.Foralloperationsystems,thegeneralgoalistocreatesomekindofvalue-addedoutputsthatareworthmoretoconsumersthanjustthesumoftheinputs.Totheconsumers,theresultingproducts(52)______utilityduetotheform,thetime,ortheplaceoftheiravailabilityfromtheconversionprocess.However,theprocessissubjecttorandomchanges.Unplannedoruncontrollableinfluencesmaycausetheactualoutputtodifferfromplannedoutput.Randomfluctuationscanarisefromexternaldisruption(fire,floodsorlightning,forexample)orfrom(53)______problemsinherentintheconversionprocess.Inherentvariabilityofequipment,materialimperfections,andhumanerrorsallaffectoutputquality(54)______.Infact,randomvariationsaretheruleratherthantheexceptioninproductionprocesses;therefore,(55)_____variationbecomesamajormanagementtask.Thefunctionofthefeedbackistoprovide(56)______linkages.Withoutsomefeedbackofinformation,managementpersonnelcannotcontroloperationsbecausetheydon'tknowtheresultsoftheirdirections.³¢Ò⣹´Ë²¿²ÖÊÔÌâÔÚ´ðÌ⿨2