大学英语四级考试历年阅读真题专家解析

主蒸汽及高、低温再热蒸汽系统采用单元制系统，均采用“双管、单管、双管”的布置方式。主蒸汽管道和高温再热蒸汽管道分别从过热器和再热器的出口联箱的两侧引出，然后汇成一根母管，到汽轮机前再分成两根支管分别接入高压缸和中压缸左右侧主汽关断阀和再热关断阀。theoilleveltothenormaloillevel.(2)forthesecondarypreventionoftheleakageofcoolingwaterpipefittings,valvepartsbeforeinstallationtocheck...4.2measurestoeliminatequalitydefectsofcablescablelayinginfrontofthecableconstruction,design,supervisionandconstructionunitstodeliverthedesign,anddrawingthethird.Combinedtheengineeringfieldtofindfault,addingomitteditems.BecausetheunitusedcomputerDCScontrolandaddsagreatdealofcontrolandsignalcables.Soyoushouldcarefullyreview,checksformissingphysicalcable,readyforconstructionandtoverifycablelength,specifications,familiarwiththecablechannelandthedevicelocationandbracketcablebracketonthesectionnumber.Atthetimeofpreparationoftheinventoryofcable,firstofall,theprofessionalcarefullystudyelectricalschematics,inaccordancewiththeprincipleofaccountingthecablepathcablevolume,thenumberofcoresused,totalvolumeanddesigninventorycheckcabletocablewithandwithoutomission,layingofthecableinordertoensuretheprocessdoesnotputacableonecable.Finally,atthetimeofinventory,preparedtotakethesamepaththecablestogether.Inventorypreparationiscompleted,laterineachenclosureaffixedonbothsidesofeachsideofthecableyouwanttolayaccuratelyverifycablelengthsandsetaside.Bridgeshouldbecombined,correctingerrors,avoidstraight,nocablebridgescaffoldingusedintheconstruction,notallowedtouseelectricity(fire)cutting,fixcabletray,cabletrayisnotallowedasaweldinggroundconnectionorcabletraycannotbeusedforotherprocesses专家解析大学英语四级考试历年阅读真题2007.12阅读第一篇PassageOneQuestions57to61arebasedonthefollowingpassage.InthisageofInternetchat,videogamesandrealitytelevision,thereisnoshortageofmindlessactivitiestokeepachildoccupied.Yet,despitethecompetition,my8-year-olddaughterRebeccawantstospendherleisuretimewritingshortstories.Shewantstoenteroneofherstoriesintoawritingcontest,acompetitionshewonlastyear.AsawriterIknowaboutwinningcontests,andaboutlosingthem.Iknowwhatitisliketoworkhardonastoryonlytoreceivearejectionslipfromthepublisher.Ialsoknowthepressureoftryingtoliveuptoareputationcreatedbypreviousvictories.Whatifshedoesn’twinthecontestagain?That’sthestrangethingaboutbeingaparent.Somanyofourownpastscarsanddashedhopescansurface.Arevelation(启示)camelastweekwhenIaskedher,“Don’tyouwanttowinagain?”“No,”shereplied,“Ijustwanttotellthestoryofanangelgoingtofirstgrade.”Ihadjustspentweekscorrectingherstoriesasshespontaneously(自发地)toldthem.TellingmyselfthatIwasmerelyanexperiencedwriterguidingtheyoungwriteracrossthehall,Iofferedsuggestionsforcharacters,conflictsandendingsforhertales.Thestoryaboutafearfulangelstartingfirstgradewasquickly“guided”bymeintothetaleofalittlegirlwithawildimaginationtakingherfirstmusiclesson.Ihadturnedhercontestintomycontestwithoutevenrealizingit.Stayingbackandgivingkidsspacetogrowisnotaseasyasitlooks.BecauseIknowverylittleaboutfarmanimalswhousetoolsorangelswhogotofirstgrade,IhadtoacceptthefactthatIwasco-opting(借用)mydaughter’sexperience.Whilesteppingbackwasdifficultforme,itwascertainlyagoodfirststepthatIwillquicklyfollowwithmoresteps,puttingmyselffarenoughawaytogiveherroombutcloseenoughtohelpifasked.AllthewhileIwillberemindingmyselfthatchildrenneedroomtoexperiment,growandfindtheirownvoices.注意：此部分试题请在答题卡2上作答。57.Whatdowelearnfromthefirstparagraph?A)Alotofdistractionscompeteforchildren’stimenowadays.B)Childrendofindlotsoffuninmanymindlessactivities.C)Rebeccaismuchtoooccupiedtoenjoyherleisuretime.D)Rebeccadrawsonalotofonlinematerialsforherwriting.58.Whatdidtheauthorsayaboutherownwritingexperience?A)Shewasconstantlyunderpressureofwritingmore.B)Mostofherstorieshadbeenrejectedbypublishers.C)Shedidnotquiteliveuptoherreputationasawriter.D)Herwaytosuccesswasfullofpainsandfrustrations.59.WhydidRebeccawanttoenterthisyear’swritingcontest?A)Shehadwonaprizeinthepreviouscontest.B)Shewantedtoshareherstorieswithreaders.C)Shewassureofwinningwithhermother’shelp.主蒸汽及高、低温再热蒸汽系统采用单元制系统，均采用“双管、单管、双管”的布置方式。主蒸汽管道和高温再热蒸汽管道分别从过热器和再热器的出口联箱的两侧引出，然后汇成一根母管，到汽轮机前再分成两根支管分别接入高压缸和中压缸左右侧主汽关断阀和再热关断阀。theoilleveltothenormaloillevel.(2)forthesecondarypreventionoftheleakageofcoolingwaterpipefittings,valvepartsbeforeinstallationtocheck...4.2measurestoeliminatequalitydefectsofcablescablelayinginfrontofthecableconstruction,design,supervisionandconstructionunitstodeliverthedesign,anddrawingthethird.Combinedtheengineeringfieldtofindfault,addingomitteditems.BecausetheunitusedcomputerDCScontrolandaddsagreatdealofcontrolandsignalcables.Soyoushouldcarefullyreview,checksformissingphysicalcable,readyforconstructionandtoverifycablelength,specifications,familiarwiththecablechannelandthedevicelocationandbracketcablebracketonthesectionnumber.Atthetimeofpreparationoftheinventoryofcable,firstofall,theprofessionalcarefullystudyelectricalschematics,inaccordancewiththeprincipleofaccountingthecablepathcablevolume,thenumberofcoresused,totalvolumeanddesigninventorycheckcabletocablewithandwithoutomission,layingofthecableinordertoensuretheprocessdoesnotputacableonecable.Finally,attheti