版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领
文档简介
2025年大学英语四级练习题及答案解析PartIWriting(30minutes)Directions:Forthispart,youareallowed30minutestowriteanessayontheimportanceofcollegestudentsparticipatingincommunityvolunteerservices.Youshouldwriteatleast120wordsbutnomorethan180words.【参考范文】Inrecentyears,anincreasingnumberofcollegestudentschoosetospendtheirsparetimeparticipatingincommunityvolunteerservices,rangingfromtakingcareofleft-behindelderlypeopletopromotinggarbagesortingknowledge.Thistrendbringsfar-reachingbenefitstobothstudentsandsociety.Firstandforemost,communityvolunteerserviceshelpcollegestudentsapplythetheoreticalknowledgetheyhavelearnedatschooltopractice.Forexample,studentsmajoringinsociologycangainadeeperunderstandingofgrassrootsgovernancebyassistingcommunityworkersinorganizingpublicevents.Secondly,participatinginvolunteeractivitieshelpscultivatecollegestudents'senseofsocialresponsibility.Whentheycontributetheirtimeandenergytohelppeopleinneed,theywillrealizethevalueofgivingandbecomemorewillingtotakesocialobligations.Inconclusion,communityvolunteerservicesareanimportantsupplementtocollegeeducation.Collegestudentsshouldbeencouragedtotakeanactivepartinsuchactivitiestoenrichtheirlifeexperienceandachieveall-rounddevelopment.【写作解析】本题属于四级常考的观点论证类写作题,主题贴近大学生日常生活,无超纲要求,评分标准围绕三个核心维度:①切题性:需围绕“大学生参与社区志愿的重要性”展开,不得偏离主题谈通用的志愿意义;②语言准确性:需避免语法错误,合理使用连接词(firstandforemost,secondly,inconclusion)体现逻辑层次,可适当使用短语(rangefrom...to...,contributeto,cultivatesenseofresponsibility)提升表达丰富度;③结构完整性:采用“引入现象+两点核心理由+总结升华”的经典三段式结构,符合四级写作高分要求。跑题、无明确观点、字数不足120的作文将被判定为不及格档(7分以下);观点清晰、语言无明显错误、逻辑连贯的作文可获得11分以上的中等偏上分数;使用多样句式、词汇表达地道的作文可获得14分及以上的高分。PartIIListeningComprehension(25minutes)SectionANewsReportsDirections:Inthissection,youwillhearthreenewsreports.Attheendofeachnewsreport,youwillheartwoorthreequestions.Boththenewsreportandthequestionswillbespokenonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA),B),C)andD).NewsReport1Anewnationalcampaignaimedatboostingreadinginterestamongteenagersaged12to18waslaunchedbytheMinistryofCultureandTourismonMonday.Unlikepreviousreadingpromotionactivitiesthatfocusedonlyonbookdonations,thiscampaignwillintegrateofflinereadingclubs,traditionalcultureexperiencesessionsandonlinereadingsharinglivestreamstocatertothediversepreferencesofyoungpeople.Localcommunitycenterswillberequiredtosetupspecialreadingzonesforteenagers,withover20,000newbookscoveringliterature,scienceandarttobeallocatedacrossthecountry.Theorganizersaidthecampaignisexpectedtocover80%ofmiddleschoolsandhighschoolsnationwidebytheendofthisyear,helpingatleast5millionteenagersdeveloparegularreadinghabit.Questions1to3arebasedonthenewsreportyouhavejustheard.1.Whatisthenewsreportmainlyabout?A)AnewreadingcampaignforteenagersB)AbookdonationactivityforruralschoolsC)AnonlinelivestreamprogramforstudentsD)Areformofmiddleschoolcurricula【答案】A【解析】本题为新闻主旨题,考点为新闻开篇核心信息抓取,答案直接对应新闻首句内容,A选项为原文同义替换。B选项偷换概念,本次活动不止包含捐书环节;C选项为活动的组成部分,并非核心主旨;D选项无中生有,原文未提及课程改革。2.Whatisspecialaboutthisyear’scampaigncomparedwithpreviousones?A)ItonlyprovidesbooksforfreeB)ItcombinesmultipleformsofactivitiesC)ItistargetedatprimaryschoolstudentsD)Itisorganizedbylocalschools【答案】B【解析】本题为细节对比题,定位到原文第二句“Unlikepreviousreadingpromotionactivitiesthatfocusedonlyonbookdonations,thiscampaignwillintegrateofflinereadingclubs,traditionalcultureexperiencesessionsandonlinereadingsharinglivestreams”,B选项的“combinesmultipleformsofactivities”是原文“integrate...multiplesessions”的同义替换。A选项与原文表述相反;C选项偷换活动受众,本次活动针对12-18岁青少年,并非小学生;D选项偷换发起主体,活动由文旅部发起,并非地方学校。3.Whatistheexpectedeffectofthecampaign?A)AllschoolswillsetupreadingzonesB)5millionteenagerswillformregularreadinghabitsC)YoungpeoplewillabandononlineentertainmentD)Thesalesofpaperbookswilldoublethisyear【答案】B【解析】本题为细节题,定位到新闻最后一句“helpingatleast5millionteenagersdeveloparegularreadinghabit”,B选项为原文直接同义替换。A选项的“allschools”表述绝对,原文仅提到覆盖80%的中学;C、D选项均为无中生有,原文未提及相关内容。NewsReport2AnewmanagementregulationforsharedbikeswasofficiallyimplementedinShanghaionJanuary1,2025.Theregulationrequiresallsharedbikeoperatorstoinstallintelligentpositioningdevicesoneachbike,topreventrandomparkingthatblockspedestrianpathsandfireexits.Operatorswillbefinedupto10,000yuanifmorethan5%oftheirbikesareparkedinprohibitedareas.Theregulationalsorequiresoperatorstorecyclebrokenbikeswithin24hoursafterreceivingreportsfromthepublic.Sincetheimplementationoftheregulation,thenumberofillegallyparkedsharedbikesinShanghaihasdroppedby78%comparedwiththesameperiodlastyear,andpublicsatisfactionwithsharedbikeserviceshasrisento89%.Questions4to5arebasedonthenewsreportyouhavejustheard.4.Whatisthemainpurposeofthenewsharedbikeregulation?A)ToreducethepriceofsharedbikeridesB)TosolvetheproblemofrandomparkingC)ToincreasethenumberofsharedbikesD)Topromotetheuseofpublictransport【答案】B【解析】细节题,定位到原文第二句“topreventrandomparkingthatblockspedestrianpathsandfireexits”,B选项直接匹配核心目的,其余选项均无中生有。5.Whatchangehastakenplacesincetheregulationwasimplemented?A)ThenumberofsharedbikeusershasdoubledB)PublicsatisfactionwithsharedbikeserviceshasincreasedC)Allbrokenbikesarerecycledwithin12hoursD)Thefineforillegalparkinghasbeenreduced【答案】B【解析】细节题,定位到原文最后一句“publicsatisfactionwithsharedbikeserviceshasrisento89%”,B选项为同义替换。A选项无提及;C选项的12小时与原文24小时不符;D选项与原文相反,原文明确了罚款上限,并未降低罚款。NewsReport3AteamofengineeringstudentsfromZhejiangUniversityhasdevelopedasmallagriculturalrobotthatcanhelpfarmerspicktealeaves.Therobotisequippedwithhigh-definitioncamerasandintelligentrecognitiontechnology,whichcanidentifyripetealeaveswithanaccuracyrateof96%.Itcanwork18hoursaday,anditsefficiencyisthreetimesthatofskilledteapickers.Theteamhascooperatedwith12teafarmsinZhejiangProvincetotesttherobot,anditisexpectedtobeputintomassproductionbytheendof2025,whichwillhelpreducethelaborcostofteafarmsandsolvetheshortageofteapickersduringtheharvestseason.Questions6to7arebasedonthenewsreportyouhavejustheard.6.Whatistheadvantageofthenewlydevelopedagriculturalrobot?A)ItcanplantteatreesautomaticallyB)IthasahigherrecognitionaccuracythanhumanworkersC)ItspickingefficiencyisthreetimesthatofskilledworkersD)Itcanworkinallweatherconditions【答案】C【解析】细节题,定位到原文“Itsefficiencyisthreetimesthatofskilledteapickers”,C选项直接匹配。A选项无中生有,机器人功能是采茶而非种茶;B选项偷换概念,原文仅提到识别准确率96%,并未对比人类工人的准确率;D选项无提及。7.Whatistheexpectedimpactoftherobot?A)ItwillincreasethepriceofteaB)ItwillreducethelaborcostofteafarmsC)ItwillreplaceallteapickersinthefutureD)Itwillhelpimprovethequalityoftealeaves【答案】B【解析】细节题,定位到原文最后一句“whichwillhelpreducethelaborcostofteafarms”,B选项匹配。A、D选项无提及;C选项的“replaceall”表述绝对,不符合原文表述。SectionBLongConversationsDirections:Inthissection,youwillheartwolongconversations.Attheendofeachconversation,youwillhearfourquestions.Boththeconversationandthequestionswillbespokenonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA),B),C)andD).Conversation1W:Goodmorning,sir.HowcanIhelpyou?M:Goodmorning.I’mlookingforreferencematerialsformysociologypaperonurbancommunitygovernance.Doyouhaveanyrelevantbooksorreports?W:Letmecheck.Wehave12monographsoncommunitygovernancepublishedinthepastfiveyears,andwealsohavetheannualsurveyreportsreleasedbythecity’scivilaffairsbureaufrom2018to2024.Allthesematerialsareonthethirdfloor,inthesocialsciencesection.M:Great.CanIborrowallthesebooks?W:Themonographscanbeborrowedfor30days,buttheofficialsurveyreportscanonlybereadinthelibrary,astheyareinternalreferencematerials.Ifyouneedtocopysomepartsofthereports,youcangotothecopyroomonthefirstfloor,butyouarenotallowedtotakephotosofthefullcontent.M:Isee.Ialsowanttofindsomeforeignresearchpapersonthistopic.WherecanIfindthem?W:Youcanlogintothelibrary’sofficialwebsitewithyourstudentID,andyoucanaccesstheCNKIandWebofSciencedatabasesforfree.Ifyouhaveanytroublefindingthepapers,youcanmakeanappointmentwitharesearchlibrarianforone-on-oneguidance.M:That’sveryhelpful.Thankyousomuch.W:You’rewelcome.Ifyouneedanyotherhelp,youcanaskthestaffattheinformationdesk.Questions8to11arebasedontheconversationyouhavejustheard.8.Whydoesthemancometothelibrary?A)ToborrownovelsforleisurereadingB)TolookforreferencematerialsforhispaperC)ToapplyforalibrarycardD)Toattendasociologylecture【答案】B【解析】细节题,定位到男士的第一句话“I’mlookingforreferencematerialsformysociologypaper”,B选项直接匹配。9.Whatkindofmaterialscanonlybereadinthelibrary?A)MonographsoncommunitygovernanceB)ForeignresearchpapersC)OfficialsurveyreportsofthecivilaffairsbureauD)Sociologytextbooks【答案】C【解析】细节题,定位到女士的回答“buttheofficialsurveyreportscanonlybereadinthelibrary”,C选项正确。10.Howcanthemanaccessforeignresearchpapers?A)ByborrowingthemfromtheforeignlanguagesectionB)Byloggingintothelibrary’swebsitewithhisstudentIDC)ByaskingthelibrariantosendthemtohisemailD)Bybuyingthemfromtheonlinedatabase【答案】B【解析】细节题,定位到女士的回答“Youcanlogintothelibrary’sofficialwebsitewithyourstudentID,andyoucanaccesstheCNKIandWebofSciencedatabasesforfree”,B选项正确。11.Whatcanthemandoifhehastroublefindingpapers?A)Askforone-on-oneguidancefromaresearchlibrarianB)GotothesocialsciencesectionforhelpC)ConsulthissociologyprofessorD)Usethesearchmachineonthefirstfloor【答案】A【解析】细节题,定位到女士的回答“Ifyouhaveanytroublefindingthepapers,youcanmakeanappointmentwitharesearchlibrarianforone-on-oneguidance”,A选项正确。Conversation2M:Hi,Lisa.Iheardyoufoundapart-timejobatacoffeeshopneartheschool.Howisitgoing?W:It’sprettygood.Iwork12hoursaweek,mainlyonweekends.Thepayis25yuanperhour,andIcangetfreecoffeeduringworkinghours.M:Thatsoundsnice.I’malsolookingforapart-timejobnow.Iwanttoearnsomemoneytocovermytravelexpensesduringthesummervacation.Doyouhaveanyrecommendations?W:Whatkindofjobareyoulookingfor?M:Ipreferajobthatisrelatedtomymajor,marketing.Iwanttogainsomepracticalexperiencebeforegraduation.W:Oh,thestudentunionisrecruitingpart-timemarketingassistantstopromotetheschool’supcomingcampustalentshow.Thejobincludesdesigningposters,writingpromotionalcopyandmanagingtheofficialsocialmediaaccountofthetalentshow.Itis20yuanperhour,andyoucangetacertificateofpracticeafterfinishingthejob.M:That’sexactlywhatIwant.Whenistheapplicationdeadline?W:ThisFriday.Youcansendyourresumetothestudentunion’semailaddress.Ifyoupasstheresumescreening,youwillhaveaninterviewnextMonday.M:Great.Iwillpreparemyresumetonight.Thankyouforyourinformation.W:Noproblem.Goodluckwithyourapplication.Questions12to15arebasedontheconversationyouhavejustheard.12.WhatdoweknowaboutLisa’spart-timejob?A)Sheworks20hoursaweekB)ShegetsfreecoffeeduringworkinghoursC)Thepayis30yuanperhourD)Sheworksonweekdaysafterclass【答案】B【解析】细节题,定位到Lisa的回答“Icangetfreecoffeeduringworkinghours”,其余选项均与原文不符:A选项每周工作12小时,C选项时薪25元,D选项周末工作。13.Whydoesthemanwanttofindapart-timejob?A)ToearnmoneyforhissummertravelexpensesB)TogainworkexperienceforhisgraduationthesisC)TopayforhistuitionfeesD)Tolearnhowtomakecoffee【答案】A【解析】细节题,定位到男士的话“Iwanttoearnsomemoneytocovermytravelexpensesduringthesummervacation”,A选项正确。14.Whatkindofpart-timejobdoesthemanprefer?A)AjobwithahighsalaryB)AjobrelatedtohismarketingmajorC)AjobthatrequiresworkingonweekendsD)Ajobinacoffeeshop【答案】B【解析】细节题,定位到男士的话“Ipreferajobthatisrelatedtomymajor,marketing”,B选项正确。15.Whatbenefitcanthemangetifhetakesthemarketingassistantjob?A)Ahighsalaryof30yuanperhourB)FreeticketstothecampustalentshowC)ApracticecertificateafterfinishingthejobD)Anopportunitytoworkinthestudentunionpermanently【答案】C【解析】细节题,定位到Lisa的介绍“youcangetacertificateofpracticeafterfinishingthejob”,C选项正确。A选项时薪为20元,B、D选项无中生有。SectionCPassagesDirections:Inthissection,youwillhearthreeshortpassages.Attheendofeachpassage,youwillhearthreequestions.Boththepassageandthequestionswillbespokenonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA),B),C)andD).PartIIIReadingComprehension(40minutes)SectionADirections:Inthissection,thereisapassagewithtenblanks.Youarerequiredtoselectonewordforeachblankfromalistofchoicesgiveninawordbankfollowingthepassage.Readthepassagethroughcarefullybeforemakingyourchoices.Eachchoiceinthebankisidentifiedbyaletter.PleasemarkthecorrespondingletterforeachitemonAnswerSheet2withasinglelinethroughthecentre.Youmaynotuseanyofthewordsinthebankmorethanonce.Timemanagementisa(n)_26_skillforcollegestudents,whooftenneedtobalanceacademictasks,part-timejobsandsocialactivities.Manystudentsstrugglewiththe_27_todelayimportanttasksuntilthelastminute,abehaviorknownasprocrastination.Researchshowsthatstudentswho_28_urgentandimportanttasksfirsttendtohavehigheracademicperformanceandlowerstresslevels.Toavoidwastingtime,studentsshouldfirstlistalltheirtasksandmarktheirlevelsofimportance,ratherthan_29_tasksthatseemdifficultatfirstglance._30_timeforrestandleisureactivitiesisalsoimportant,as_31_restmayleadtoburnoutandreduceoverall_32_.Studentsarealsoadvisedtoavoidusingsocialmediawhilestudying,asnotificationscaneasily_33_theirattentionandreducelearningefficiency._34_,masteringtimemanagementskillscannotonlyhelpstudentsgetbettergradesatuniversity,butalsolaya_35_foundationfortheirfuturecareerdevelopment.WordBank:A)allocateB)consequentlyC)distractD)efficientE)essentialF)ignoreG)insufficientH)prioritizeI)productivityJ)procrastinateK)rarelyL)significantM)similarlyN)tendencyO)underestimate【答案&解析】26.E)essential:形容词,修饰skill,语义为“时间管理是大学生的必备技能”,符合上下文逻辑。27.N)tendency:名词,搭配the___todosth结构,语义为“很多学生有把重要任务拖到最后一刻的倾向”,符合拖延症的定义。28.H)prioritize:动词,语义为“优先处理紧急且重要任务的学生学业表现更好”,匹配上下文关于时间管理的核心逻辑。29.F)ignore:动词,搭配ratherthandoing结构,语义为“不要一上来就忽略看起来难的任务”,符合语境。30.A)allocate:动词,动名词作主语,语义为“分配时间给休息和休闲活动也很重要”,符合时间管理的要求。31.G)insufficient:形容词,修饰rest,语义为“不足的休息会导致倦怠”,符合逻辑。32.I)productivity:名词,语义为“降低整体生产力”,与前文的倦怠形成因果关系。33.C)distract:动词,搭配distractone’sattention固定短语,语义为“通知容易分散他们的注意力”,符合语境。34.B)consequently:副词,作状语连接前后文,语义为“因此,掌握时间管理技能不仅能帮学生获得好成绩,还能为未来职业发展打下重要基础”,逻辑通顺。35.L)significant:形容词,修饰foundation,语义为“重要的基础”,符合搭配要求。SectionB长篇阅读36.ManyprimaryschoolsinChinahaveincludedhandwritingcoursesintheircompulsorycurricula.→对应C段37.Researchersfoundthathandwritinghelpsimprovechildren’smemoryandcognitiveability.→对应E段38.Thepopularityofdigitaldeviceshasledtoasharpdeclineinthefrequencyofpeopleusinghandwriting.→对应A段39.Somepeoplearguethathandwritingisnolongernecessaryinthedigitalage.→对应B段40.HandwritingisconsideredanimportantpartoftraditionalChineseculture.→对应H段41.Asurveyfoundthat76%ofteenagersoftenforgethowtowritecommonChinesecharacters.→对应D段42.Manycalligraphyenthusiastsholdpublicactivitiestopromotetheartofhandwriting.→对应F段43.Handwritingcanhelppeopleexpresstheirpersonalemotionsbetterthantypedtext.→对应G段44.Expertssuggestthatschoolsshouldpaymoreattentiontohandwritingeducationtoinherittraditionalculture.→对应I段45.Althoughdigitalcommunicationisconvenient,handwritingstillhasirreplaceablevalue.→对应J段【解析】所有匹配点均为四级大纲要求的同义替换能力,例如“compulsorycurricula”对应原文“requiredcourses”,“irreplacedvalue”对应原文“valuethatcannotbereplaced”,无超纲词汇。SectionC仔细阅读Directions:Thereare2passagesinthissection.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA),B),C)andD).YoushoulddecideonthebestchoiceandmarkthecorrespondingletteronAnswerSheet2withasinglelinethroughthecentre.PassageOneWhencollegestudentsfromGenerationZenterthejobmarket,theirprioritiesdiffersharplyfromthoseofpreviousgenerations.Whileolderjobseekersoftenrankedsalaryandpromotionopportunitiesastheirtopconcerns,surveysshowthat68%ofGenZgraduatesconsiderwork-lifebalanceastheirmostimportantrequirementwhenchoosingajob.Thistrendhaspushedmanycompaniestoadjusttheirrecruitmentpolicies.Agrowingnumberoffirmsnowofferflexibleworkingschedules,paidannualleaveofover15days,andmentalhealthconsultingservicesforyoungemployees.Sometechcompanieshaveevencancelledthemandatory“996”workschedule,whichrequiresemployeestoworkfrom9amto9pm,6daysaweek.HumanresourcesexpertsnotethattheshiftinjobpreferencereflectstheimprovementoflivingstandardsinChina.Youngpeoplenowhavehigherrequirementsforqualityoflife,ratherthanjustfocusingonearningmoney.“Thistrendispositive,asitwillpushemployerstooptimizetheirmanagementsystemsandcreateamoreemployee-friendlyworkingenvironment,”saidLiMing,aseniorHRconsultantataleadingrecruitmentwebsite.However,traditionalcompaniesthatsticktolongworkinghoursarefacingrecruitmentdifficulties.Asurveyof200manufacturingenterprisesfoundthat72%ofthemreporteddifficultyinrecruitingyounggraduateslastyear,asmostyoungpeopleareunwillingtoacceptlongworkinghourswithlowpay.Expertssuggestthattraditionalcompaniesshouldmakeadjustmentstomeettheneedsofyoungjobseekers,suchasraisingsalarylevels,improvingworkingconditionsandprovidingmorepromotionopportunitiesforyoungemployees.Onlyinthiswaycantheyattractmoretalentedyoungpeopleandmaintaintheircompetitiveedgeinthemarket.46.WhatisthetopconcernofGenZgraduateswhenchoosingajob?A)SalarylevelB)PromotionopportunitiesC)Work-lifebalanceD)Workingenvironment【答案】C【解析】细节题,定位第一段第二句,C选项为原文直接表述,A、B为前几代求职者的首要考量,D为次要因素。47.WhatadjustmenthavemanycompaniesmadetoattractGenZjobseekers?A)TheyhaveincreasedthebasicsalaryfornewemployeesB)TheyprovideflexibleworkingschedulesandmorepaidleaveC)TheyofferfreehousingforyoungemployeesD)Theyreducethenumberofworkingdaysto4perweek【答案】B【解析】细节题,定位第二段第二句,B选项为原文同义替换,A、C无中生有,D未提及。48.WhatdoesLiMingthinkoftheshiftinjobpreference?A)ItisbeneficialforbothemployeesandemployersB)ItwillleadtoadeclineincompanyproductivityC)ItputstoomuchpressureonsmallcompaniesD
温馨提示
- 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
- 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
- 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
- 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
- 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
- 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
- 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。
最新文档
- 2025版眼科疾病常见症状及护理经验培训
- 企业凝聚力增强互动体验方案
- 精神科抑郁症药物治疗使用规范
- 公司生产质量承诺书(8篇)
- 建设单位招标答疑组织方案
- 扬尘治理喷淋系统维护达标方案
- 2026年厨师基础技能操作练习题
- 2025口腔科儿童龋齿充填材料选择培训共识
- 骨科围手术期管理方案
- 艺术创作与鉴赏入门指导手册
- 腰椎椎管狭窄症的护理查房讲课件
- 公司英语角活动方案
- 应聘比亚迪简历模板
- 2025年高考地理复习 微专题 水库的水文特征及功能 课件
- 高考文言文分析综合题错项设题九大陷阱及对策
- 工勤技能考试职业道德试题
- 一年级数学加减法口算题每日一练(25套打印版)
- GB 11984-2024化工企业氯气安全技术规范
- 《多式联运管理及服务规范》
- 2024年战略合作同盟标准协议样本版B版
- GA 280-2024警用服饰不锈钢包铝纽扣
评论
0/150
提交评论