大连育明中学2024年高三（最后冲刺）英语试卷含解析

大连育明中学2024年高三（最后冲刺）英语试卷注意事项1．考试结束后，请将本试卷和答题卡一并交回．2．答题前，请务必将自己的姓名、准考证号用0．5毫米黑色墨水的签字笔填写在试卷及答题卡的规定位置．3．请认真核对监考员在答题卡上所粘贴的条形码上的姓名、准考证号与本人是否相符．4．作答选择题，必须用2B铅笔将答题卡上对应选项的方框涂满、涂黑；如需改动，请用橡皮擦干净后，再选涂其他答案．作答非选择题，必须用05毫米黑色墨水的签字笔在答题卡上的指定位置作答，在其他位置作答一律无效．5．如需作图，须用2B铅笔绘、写清楚，线条、符号等须加黑、加粗．第一部分（共20小题，每小题1.5分，满分30分）1．I_____upmymindwhatIwasgoingtosayintheseminar,butitwascancelled.A．havemadeB．hadmadeC．wasmakingD．wouldmake2．______flag-raisingceremonywasheldattheGoldenBauhiniaSquareonJuly1tocelebrate______17thanniversaryofHongKong’sreturntoChina.A．A;/ B．A;theC．The;the D．/;the3．Whatcausedthepartytobeputoff?______theinvitations.A．Tomdelayedsending B．Tom’sdelayingsendingC．Tomdelayingtosend D．Tomdelayedtosend4．—Sir,I’mlatebecausemycarbrokedownontheway.—________.I’vehadenoughofyourexcuses.A．Cutitout B．Suityourself C．Youcan’tbeserious D．Itmakessense5．Thereaslightdecreaseinhisweightbutheeatstoomuch.A．was B．couldhavebeenC．hadbeen D．couldbe6．NotuntilIwentupfurther________thatunderthetree________,obviouslysoundasleep.A．thatIsaw;didaboylie B．Isaw;layaboyC．didIsee;didaboylie D．didIsee;layaboy7．-Mycomputerdoesn'twork!-Robertisacomputerexpert.HowIwishhe______withme.A．came B．hadcomeC．iscoming D．hascome8．Nowadays,buyersaccustomedtopricesmovingupwardjustadoptawait-and-seeattitude.Iftheycontinueto_____,thenourcompanyisclosingdown.A．fishintheair B．sitonthefenceC．flyoffthehandle D．beataroundthebush9．Theguidewasenthusiasticandknowledgeableandwespentalovelyeveningwanderingintoplaceswhichwe________straightpastotherwise.A．hadwalked B．werewalkingC．wouldhavewalked D．musthavewalked10．Backwardsomewhattechnologically________weareforthemoment,wehaveconfidenceinourabilitytocatchupintime.A．althoughB．ifC．asD．once11．Alotofsuggestionswereputforwardatthemeeting,but______waspractical.A．nothingB．noneC．neitherD．noone12．After________________asandstormwarningonSundayevening,meteorologistsforecastthatdustyweatherwillcontinueinpartsofthecountryonMonday.A．breakingoff B．callingoff C．leavingoff D．puttingoff13．______muchpressuretheU.S.governmentputontheChinesegovernment,Chinawouldsticktoitsownpolicyofexchangerate.A．However B．Wherever C．Whatever D．Whoever14．Theonlineword“selfie”isgaining______andmoreandmorepeopletendtouseitnowadays.A．accessB．admissionC．controlD．currency15．—Whatitbe?—Itbeaman,foritisnotmoving.Itbeadustbin,Ithink.A．can;may;must B．can;can’t;mustC．can;must;can D．may;maynot;could16．Wepackedallthehooksinwoodenboxessothattheydamaged.A．don’tgetB．won’tgetC．didn’tgetD．wouldn’tget17．Don’tworry.Anumberofeffortsarebeingmade______thewholesystemoperatingnormally.A．beingkept B．keptC．keeping D．tokeep18．Newpolicies,_______toinsurethatcompulsoryeducationistrulyfree,________bythelocalgovernmentacrossChinasincethestartofschoolonSeptember1.A．intending;havebeenmadeknown B．intended;havebeenmadeknownC．intending;aremadeknown D．intended;hadmadeknown19．_____everyyear,manypeopledonotholdahighopinionoftheCCTVSpringFestivalGala,ithasbecomeasomewhatnecessarypartofthefestival.A．AsB．ThereforeC．While D．Since20．Mysonisaddictedtocomputergames.Heishopeless，isn'the？Yes，_____________heisdeterminedtogiveupandstartallover.A．if B．unlessC．though D．so第二部分阅读理解（满分40分）阅读下列短文，从每题所给的A、B、C、D四个选项中，选出最佳选项。21．（6分）Persuasionistoconvincesomeonetoagreewithyou,justlikeartwhichalsocallsforspecialtechniquestoaccomplish.AccordingtotheancientGreeks,therearethreebasictoolsofpersuasion:ethos,pathosandlogos.Ethosisaspeaker’swayofconvincingtheaudiencethatheistrustworthy,honestandreliable.Onecommonwayaspeakercandevelopethosisbyexplaininghowmuchexperienceoreducationhehasinthefield.Afterall,you’remorelikelytolistentoadviceabouthowtotakecareofyourteethfromadentistthanafireman.Pathosisaspeaker’swayofconnectingwithanaudience’semotions.Forexample,apoliticianwhoistryingtoconvinceanaudiencetovoteforhimmightsaythathealonecansavethecountryfromaterriblewar.Thesewordsareintendedtofilltheaudiencewithfear,thusmakingthemwanttovoteforhim.Similarly,ananimalcharitymightshowanaudiencepicturesofinjureddogsandcatstomaketheeviewersfeelpity,sotheywillbemorelikelytodonatemoney.Logosistheuseoffacts,statisticsorotherevidencetosupportyourargument.Anaudiencewillbelieveyouifyouhaveconvincingdatatobackupyourclaims.Presentingthisevidenceismuchmorepersuasivethansimplysaying“believeme”.Althoughethos,pathosandlogosallhavetheirstrengths,theyareoftenmosteffectivewhenusedtogether.So,thenexttimeyoulistentoaspeech,watchacommercialorlistentoafriendtrytoconvinceyoutolendhimsomemoney,beonthelookoutfortheseancientGreektoolsofpersuasion.1、Whatisthepurposeofpersuasion?A．Toadvisesomebodytosupportyou.B．Tohelpsomeonehavespecialskills.C．Toconvincesomebodytorealizehisaim.D．Totalksomeoneintobeinghonest.2、Whatisaspeaker’swayofconvincingtheaudiencetotrusthim?A．Pathos.B．Ethos.C．Logos.D．Education.3、Whatdoapoliticianandananimalcharityhaveincommon?A．Bothpreventthemselvesfrombeinghurt.B．Bothsavepeoplefromterriblewars.C．Bothmaketheaudiencesupportthem.D．Bothpersuadepeopletodonatemoney.4、Whichofthefollowingcanbethebesttitleforthetext?A．ConvincetheAudience.B．ThreeBasicToolsofPersuasionC．BelieveMe.D．StrengthofPersuasion22．（8分）InAHistoryofReading,theCanadiannovelistAlbertoMangueldescribesaremarkabletransformationofhumanconsciousness,whichtookplacearoundthe10thcenturyA．D．:thearrivalofsilentreading.Humanbeingshavebeenreadingforthousandsofyears,butinancienttimes,thenormalthingwastoreadaloud.Withthearrivalofsilentreading,Manguelwrites,…thereaderwasatlastabletoestablishanunrestrictedrelationshipwiththebookandthewords.Thewordsnolongerneededtooccupythetimerequiredtopronouncethem.Thereader’sthoughtsinspectedthematleisure,drawingnewideasfromthem,allowingcomparisonsfrommemoryorfromotherbooks.①Toreadsilentlyistofreeyourmindtoreflect,toremember,toquestionandcompare.ThecognitivescientistMaryanneWolfcallsthisfreedom“thesecretgiftoftimetothink”.Athousandyearslater,criticsfearthatdigitaltechnologyhasputthisgiftindanger.TheInternet’sfloodofinformation,togetherwiththedistractionsofsocialmedia,threatenstooverwhelmthespaceofreading,leavingusinwhatthejournalistNicholasCarrhascalled“theshallows”.InCarr’sview,the“endless,temptingbuzz”oftheInternetendangersourverybeing:“Oneofthegreatestdangersweface,”hewrites,“aswegiveupcontrolovertheflowofourthoughtsandmemoriestoapowerfulelectronicsystem,isaslowdamagetoourhumannessandourhumanity.”②There’snoquestionthatdigitaltechnologypresentschallengestothereadingbrain.Butseenfromahistoricalperspective,digitalreadingandsilentreadinglooklikedifferencesofdegree,ratherthanofkind.Totheextentthatdigitalreadingrepresentssomethingnew,itspotentialcutsbothways.Donebadly,theInternetreducesustomindlessclickers,racingnumblytothebottomofabottomlessfeed;butdonewell,ithasthepotentialtoexpandtheverycontemplative(沉思的)spacethatwehaveprizedinourselveseversincewelearnedtoreadwithoutmovingourlips.③InthefifthcenturyB．C．,Socratesworriedthatwritingwouldweakenhumanmemory,andstifle(扼杀)judgment.Infact,asWolfnotesinher2007bookProustandtheSquid:theStoryandScienceoftheReadingBrain,theoppositehappened:Facedwiththewrittenpage,thereader’sbraindevelopsnewcapacities.④TheInternetmaycauseourmindstowanderoff,andyetaquicklookatthehistoryofbookssuggeststhatwehavebeenwanderingoffallalong.Whenweread,theeyedoesnotprogresssteadilyalongthelineoftext;italternatesbetweensaccades—littlejumps—andbriefstops,notunlikethemovementofthemouse’scursoracrossascreenofhypertext.It’struethatstudieshavefoundthatreadersgiventextonascreendoworseonrecallandcomprehensionteststhanreadersgiventhesametextonpaper.Buta2015studybytheGermaneducatorJohannesNaumannsuggeststheopposite.Hegaveagroupofhigh-schoolstudentsthejoboftrackingdowncertainpiecesofinformationonwebsites;hefoundthatthestudentswhoregularlydidresearchonlinewerebetteratthistaskthanstudentswhousedtheInternetmostlytosendemail,chat,andblog.Anewgenerationofdigitalwriterspreferstoincludeinteractivefeatures.The2014iPadnovel,Pry,tellsthestoryofademolition(爆破)expertreturninghomefromthefirstGulfWar.Thestoryistoldintext,photographs,videoclips,andaudio.Itusesaninterface(界面)thatallowsyoutofollowtheactionandshiftbetweenlevelsofawareness.Asyoureadtextonthescreen,describingcharactersandplot,youdrawyourfingersapartandseeaphotographofthechiefcharacter,hiseyesopeningontheworld.Pinchyourfingershutandyouvisithistroubledunconscious;wordsandimagesraceby,asifyouareinsidehismemory.Pryistheoppositeofashallowwork;itswholeplayisbetweenthesurfaceandthedepthsofthehumanmind.Readingitisstimulating.1、InAlbertoManguel’sopinion,silentreading________.A．isanabnormalthingtohumanconsciousnessB．offersreaders’mindfreedomandtimetothinkC．strengthensreaders’powerofmemoryandreflectionD．allowsreaderstogainaninsightintobooksandwords2、Whyisdigitaltechnologyconsideredtohaveendangeredourbeing?A．Itpresentschallengestothereadingbrain.B．Itharmsourhumannessandhumanitygradually.C．Itisverylikelytoexpandourcontemplativespace.D．Itleavesourthoughtsandmemoriesoutofcontrol.3、Thesentence“Thefearoftechnologyisnotnew.”shouldbeplacedin________.A．① B．② C．③ D．④4、WhatcanweinferfromJohannesNaumann’sstudy?A．It’seasiertocollectinformationontheInternetthaninbooks.B．People’shabitofusingtheInternetinfluencestheirperformance.C．TheInternetisn’tsupposedtobeusedasatoolofentertainment.D．Paperreadingisbetterthanscreenreadinginimprovingcomprehension.5、The2014iPadnovel,Pry,ismentionedinthelastparagraphto______.A．introducetheoccurrenceofareadingrevolutionB．showthetechnologyemployedindigitalreadingC．provedigitalreadingnotshallowbutattractiveD．illustratetheimpactdigitalreadinghasonourlife.6、Whatisprobablythebesttitleforthepassage?A．ThedeepspaceofdigitalreadingB．ThetimelyarrivalofsilentreadingC．ThedevelopmentoftraditionalreadingD．Thepotentialdamageofelectronicbooks23．（8分）TheChildrenandFamilyResearchCenter,locatedinIllinois,isanindependentresearchorganizationtopromotepublicchildwelfareresearchactivities.Thefollowingareour2018researchbriefs.TheChildEndangermentRiskAssessmentProtocol（CERAP）TamaraL.FullerCERAPisasafetyassessmentprotocol（协议）usedinchildprotectioninvestigationsandchildservicesinIllinois.Itisdesignedtoevaluatethepotentialharmtoachildandtakequickactiontoprotectchildren.Workersusetheprotocoltohelpfocustheirdecision-makingtodeterminewhetherachildissafewiththeirfamily,anddecidewhatactiontotaketoassurethechild’ssafety.10ThingstoKnowaboutChildWelfareSystemCatherine,Michael,andSteveInMarch2018,researchersMichaelandStevepartneredwithprofessorCatherinetopresentawebinar（在线研讨会）titled10ThingstoKnowaboutChildWelfareSystem,focusedonexplainingthechildwelfaresystem.Topicsincludedprocessofmakingahotlinecall,waystosupportfamilieswhohaveexperiencedchildhoodsufferings.HighlightsfromtheChildDeathReviewTeamAnnualReportSteveandTamaraThisresearchbrieffocusesonthefindingsfromthemostrecentCDRTannualreportonchilddeathsinIllinoisin2016,presentingsummaryinformationaboutchilddeathsinIllinoisbyage,mannerofdeath,andcategoryofdeath,aswellasrecommendationstopreventchilddeaths.PromotingWidespreadImprovementinPracticeTedCrossandIritThisarticlebyCFRC’spsychologist（心理学家）TedCrossandDr.Iritexploresthecontributionofpsychologytochildprotectionandsuggestsopportunitiesforpsychologytocontributemore,choosing3selectedareas.Acrosstheseareas,psychologyhascontributedbothtotheknowledgebaseandtoavailableassessmentandintervention（干预）methods.1、Whicheventaimsatdeterminingthesafetyofchildrenwithinthefamily?A．PromotingWidespreadImprovementinPracticeB．10ThingstoKnowaboutChildWelfareSystemC．TheChildEndangermentRiskAssessmentProtocolD．HighlightsfromtheChildDeathReviewTeamAnnualReport2、Whowroteareportaboutpreventionofchilddeaths?A．SteveandTamara.B．Catherine,Michael,andSteve.C．TamaraL.Fuller.D．TedCrossandIrit.3、Whichofthefollowingdealswithchildprotectioninapsychologicalway?A．HighlightsfromtheChildDeathReviewTeamAnnualReportB．10ThingstoKnowaboutChildWelfareSystemC．TheChildEndangermentRiskAssessmentProtocolD．PromotingWidespreadImprovementinPractice24．（8分）Manyyouthswanttoleanhowtodrivecars.ThisyearonesixthofundergraduatesinBeijinghaveregisteredatdrivingschool.Thestudents,mostlyfrommajorssuchasbusinessmanagementorimitationaltrade,willfinishtheirdrivingcourseswithin20daysorso.Trainingcostshavedroppedto4,500yuanforstudents,accordingtotheHaidianDrivingSchoolinBeijing.Thepriceisnotreallylow,butstudentswillacceptit,seeingitasaninvestment(投资)intheirfuture.FamiliaritywiththeoperationofcomputersandfluentEnglisharethebasicskillsgraduatingstudentsneedtofindajob.Butadriverspermithasbecomeanotherfactor(因素).“Inthejobmarket,owningadriver’spermitsometimesstrengthensagraduatingstudent’scompetitivenessforagoodposition,”saysLiHua,anundergraduateattheChinaUniversityofPoliticalScienceandlaw.Carswillbecomeanecessarypartofmanypeople’slivesinthecomingyears,anditisdifficulttogetapermitoutofcampusbecauseofthepressuresonworkingpeople’stime.“Havingafull-timejobaftergraduationofferslimitedtimetolearntodrive.Weseniorstudentshaveplentyofsparetime,plentyofoppurtunitytolearn,”saysanotherundergraduateattheuniversity.WuDong,anofficialatthedrivingschool,saidundergraduateswereveryableandserious,andcouldgraspinanhourwhatordinarypeopletookfourhourstolearn.Inthisdrivingschool,middle-agedpeople,youngwomenandcollegestudentsarethemaincustomers.FromMarch1,2018,togetadriver’spermit,abeginnerisnowrequiredtohaveatleast86hours’practicebeforethefinalroadtest.1、Whydotheundergraduateslearntodrive?A．Theyarethestudentsfromspecialsubjectorcourse.B．Theyliketodrivecarsverymuch.C．Theywantybecomefulltimedriversaftergraduation.D．Theyneedthisskilltofindagoodjobinthefuture.2、WhatisWuDong’sopinionofstudentslearningtodrive?A．Itwouldmakethelifemoreinteresting.B．Youthswouldhaveanadvantageinlearningtodrive.C．Itisawasteofmoneyandtimetolearntodrive.D．Itwouldbebettertolearnitatcollegethanatwork.3、Togetthepermit,thestudent________.A．requiressometimetopracticebeforethefinalroadtestB．mustpaymoremoneybeforethefinalroadtestC．mustpracticemoretolearntodrivewhenhavingajobD．requirestolearnsomemoreothersubjectstodrive25．（10分）ArecentstudyledbyresearchersfromtheNationalUniversityofSingapore(NUS)hasfoundaclearlinkbetweenthecolorofataxianditsaccidentrate.Ananalysisof36monthsofdetailedtaxi,driverandaccidentdatafromtwofleetsofyellowandbluetaxisinSingaporesuggestedthatyellowtaxishavefeweraccidentsthanbluetaxis.Thehighervisibility(能见度)ofyellowmakesiteasierfordriverstoavoidgettingintoaccidentswithyellowtaxis,leadingtoaloweraccidentrate.ThestudywasledbyProfHo.Totestwhethertherewasacausalrelationshipbetweenthecolorofataxiandthenumberofaccidentsthetaxihad,theresearchteamanalyseddatacollectedbythelargesttaxicompanyinSingapore.Theresearchersfoundthatyellowtaxishaveabout6.1feweraccidentsper1,000taxispermonth.Theresearchersalsostudiedtheeconomiceffectofchangingthecoloroftheentirefleetoftaxistoyellow.TheSingaporetaxicompanyinvolvedinthestudyownsabout16,700taxisinaratio(比例)ofoneyellowtothreebluetaxis.Ifacommercialdecisionismadetoswitchfrombluetoyellowtaxis,76.6feweraccidentswouldoccurpermonthor917feweraccidentsperyear.Assuminganaveragerepaircostof$1,000percarandadowntimeofsixdays,switchingthecolorofalltaxistoyellowcouldproduceanannualsavingsof$2million.“Weareeagertocontinuetovalidate(证实)thefindingsofourstudybylookingattheuseofyellowinothertypesofpublictransport,suchasschoolbuses.Forinstance,wehopetocomparetheaccidentratesofyellowschoolbusesagainstothercolorstofindoutifyellowisindeedasafercolorforschoolbuses.Besides,wearealsointerestedtolookatprivate-hirevehiclesanddoacomparisonoftheaccidentratesofvehiclesthatareofdifferentcolors,”explainedProfHo.1、Whydoyellowtaxisresultinfeweraccidents?A．Becauseyellowcanbeseenmoreeasily.B．Becauseyellowsignalsawarningofdanger.C．Becausedriverstendtobemorecarefulinyellowtaxis.D．Becausepeopleactmorequicklyinyellowsurroundings.2、What’sProfHo’sstudybasedon?A．Physicalriskstaxipassengersexperience.B．Theeconomiceffectofchangingtaxicolor.C．DatafromSingapore’slargesttaxicompany.D．Personalreportsfromtaxidriversworldwide.3、WhatdoProfHo’swordsinthelastparagraphsuggest?A．Schoolbusesshouldbepaintedyellow.B．Theirfindingsareworthpopularizing.C．Yellowshouldbewidelyusedinpublictransport.D．Theirstudywillbefurthered.4、Whatcanbethebesttitleforthetext?A．Caution:yellowtaxisaheadB．SafertorideinyellowtaxisC．Whyareyellowtaxispreferred?D．Howcancolorshelppreventaccidents?第三部分语言知识运用（共两节）第一节（每小题1.5分，满分30分）阅读下面短文，从短文后各题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选项．26．（30分）Idon’trememberhernameandwouldnotrecognizeherifIweretopassheronthestreet.ButIdo1thekindnessgivenbyastrangerandthedifferenceithasmadeinmylife.OneSunday,IwastoldtodressinmybestclothesforIwasgoingto2ShesmiledbrightlyasIgotintohercar,thecarofa3Ididnotevenknowhername,buthereIwas,alongwithfourothersI4fromourlow-incomeneighborhood,onourwaytochurch.Aswe5intotheparkinglot,Irememberhowbeautifultheoldstonebuildingwaswithitstallsteeple(尖塔)andstainedglasswindows.The6seemedlong,andnotaccustomedtotherituals(仪式)oftheCatholicChurch,Ifeltoutofplace.Oncetheservicehadended,I7tobetakenhome,but8weheadedintheoppositedirection.Weweretakentoasmall9withthefurnishingsthatportrayedasimplelifestyle.Twotablesweresetupwithlargeboxes10puzzles.Asshemadeushotchocolate,wewere11tobeginworkingthepuzzles.Itwasaquietandhappytime.Icameto12Sundays，tohotchocolate,topuzzlesthat13wherewehadleftofftheweekbefore,andtotheloveIfeltwhenevershe14atme.Onceour1,000-piecepuzzleshadbeencompleted,shenolongercameto15usuponSundays.Iwastoldshewas16andnolongerabletotravel.However,I17ifperhapsitwastimeforherto“rescue”thenextgroupofchildren.Togivethemhopethatkindnessstill18andcanbefoundwithinthosewecallstrangers.Iamforty-fouryearsoldnowandoftenshow19tostrangerswhengiventhechance.Iknowshemaynotmoveamongstusnow,butIhopeshesmileswhensheseesthathereffortstoreachouttothoselessfortunate201、A．forget B．understand C．remember D．see2、A．school B．college C．hospital D．church3、A．friend B．stranger C．teacher D．leader4、A．recognized B．described C．realized D．offered5、A．pulled B．pushed C．broke D．stopped6、A．service B．holiday C．cure D．ceremony7、A．imagined B．recommended C．expected D．expressed8、A．besides B．except C．instead D．still9、A．park B．apartment C．field D．path10、A．consisting B．concluding C．including D．containing11、A．instructed B．explored C．convinced D．determined12、A．payattentionto B．devoteto C．lookforwardto D．leadto13、A．covered B．replaced C．changed D．remained14、A．stared B．smiled C．threw D．glared15、A．make B．pick C．take D．bring16、A．lost B．gone C．ill D．old17、A．wondered B．wandered C．hoped D．insisted18、A．gathers B．exists C．drops D．moves19、A．respect B．guidance C．signs D．kindness20、A．appear B．fade C．continue D．create第二节（每小题1.5分，满分15分）阅读下面材料，在空白处填入1个适当的单词或括号内单词的正确形式。27．（15分）Itisacommonthingtoforgettoreturnabooktothelibraryafteryou’veborrowedit.Maybe,you’llyou’llrealizeithasbeensome1．(month)sinceyouborroweditanddecidetoreturnit.2．(similar),whenRonWebsterborrowedabookfromthelibraryoftheUniversityOfLiverpool,hetooforgottoreturnit.Whenhewas30,backin1953,hewasworking3．aresearchassistantintheuniversity.Itwasduringthistime4．heloanedabooktitled“StructureandFunctioninPrimitiveSociety.”Shortlyafterheborrowedthisbook,he5．(call)toLondontocontinuehisresearch.Justasyoumighthaveexpected,RonWebstercompletelyforgotthewholething.Ronhada6．(success)careerandworkedforFordbeforeretiringandleadingarelaxedlife.Recentlywhenhetook7．lookathiscollectionofbooks,hediscoveredtheoldbook.HecontactedUniversityofficialstoaskaboutthe8．(possible)ofreturningthebook.UniversityLibrarianwas9．(amaze)toseeRonarriveattheUniversityOfLiverpool,10．(try)toreturnabookthatheborrowed61yearsago.Justincaseyouwerewondering,thetotalfinethatRonWebsterhadaccumulatedovertheyearsamountedto￡4,510.第四部分写作（共两节）第一节