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2026年船长考证英语试题库100道第一部分单选题(100题)1、Whichofthefollowingistheprimaryfunctionofaship'sradar?

A.Todetectothervessels,landmasses,andnavigationalhazards

B.Tomeasuretheship'sspeedthroughwater

C.Todeterminetheship'strueheading

D.Tocalculatetheship'sestimatedposition(EP)

【答案】:A

解析:本题考察船舶雷达的主要功能。雷达通过发射电磁波并接收回波,主要用于探测船舶周围的其他船只、陆地、浅滩等航行障碍物,确保航行安全。选项B(测船速)通常由计程仪(Log)完成;选项C(确定真航向)由罗经(Compass)提供;选项D(计算估计船位)需结合GPS、陆标定位等多种手段,非雷达的主要功能。因此正确答案为A。2、Incaseofafireonboard,theMastershouldfirst______accordingtoSOLASregulations.

A.Initiatethefiresuppressionsystemimmediately

B.Soundthegeneralalarmandorganizecrewevacuation

C.Attempttoextinguishthefireusingonboardextinguishers

D.ContactthenearestMaritimeRescueCoordinationCenter(MRCC)directly

【答案】:B

解析:本题考察SOLAS公约下火灾应急处置程序。根据SOLAS第II-2章,船长在火灾发生时应优先启动警报并组织人员撤离(选项B),这是保障生命安全的首要步骤。选项A(直接启动灭火系统)可能延误疏散时机;选项C(自行灭火)不符合船长职责分工;选项D(直接联系MRCC)应在初步控制后进行,非第一响应措施。3、Upondetectingafireintheengineroom,accordingtoSTCWCode,themastershouldfirst______.

A.Orderimmediatefiresuppressionusingallavailableextinguishingagents.

B.Soundthegeneralalarmandinitiatetheship'sfireplan.

C.Directallcrewtoabandonshipimmediately.

D.Closeallwatertightdoorstopreventfirespread.

【答案】:B

解析:本题考察STCW公约中船长在火灾应急中的初始职责。根据STCW和船舶应急程序,船长首先应发出全船警报(generalalarm)并启动火灾应急预案(fireplan),确保人员安全和火情控制。选项A直接命令灭火过早,未先启动警报和评估情况;选项C弃船是最后手段,非初始步骤;选项D关闭水密门属于火灾控制的后续措施,非第一步。因此正确答案为B。4、WhatisthecoreobjectiveoftheISMCodeforshipsafetymanagement?

A.Ensuresafeoperationofshipsandpreventionofmarinepollution

B.Minimizecrewfatigueduringlongvoyages

C.Reducefuelconsumptionthroughoptimalrouteplanning

D.Complywithportstatecontrolrequirements

【答案】:A

解析:本题考察ISM规则(InternationalSafetyManagementCode)的核心目标。ISMCode(SOLASCh.IX)明确要求船舶安全管理体系(SMS)的核心目标是“确保船舶安全营运(safeoperation)并防止海洋污染(preventionofmarinepollution)”。选项B(船员疲劳管理)、C(燃油消耗优化)、D(港口国检查合规)均属于SMS的辅助目标,非核心,故正确答案为A。5、WhichAnnexofMARPOLConventionisconcernedwiththepreventionofpollutionbyship'sgarbage?

A.AnnexI

B.AnnexII

C.AnnexV

D.AnnexVI

【答案】:C

解析:本题考察MARPOL公约附则内容。MARPOL公约附则V(AnnexV)专门针对船舶垃圾污染的防止与控制,规定了垃圾收集、分类、处理和排放的标准。选项AAnnexI针对油类污染;选项BAnnexII针对有毒液体物质污染;选项DAnnexVI针对船舶空气污染,均不符合题意。6、Intheeventofadistresssituation,whichsignalcombinationisNOTavalidinternationaldistresssignal?

A.Threeshortandonelongblastonthewhistle(SOSsoundsignal)

B.Redrocketsorredparachuteflares(visualdistresssignal)

C.Repeatedflashesofasearchlight(continuoussearchlightflashes)

D.TheMorsecodesignalS.O.S(visualdistresssignal)

【答案】:C

解析:本题考察遇险信号的种类。正确答案为C,因为国际规则中明确禁止使用连续的探照灯闪光作为遇险信号,此类信号易被误认为正常航行灯光。选项A正确,一长两短(SOS)的笛号是国际认可的遇险听觉信号;选项B正确,红色火箭降落伞信号是国际公认的遇险视觉信号;选项D正确,摩尔斯电码S.O.S(...---...)是国际通用的遇险无线电信号。7、Whenafirebreaksoutintheengineroom,whichofthefollowingistheFIRSTactiontheMastershouldtake?

A.Orderimmediateabandonmentofthevessel.

B.Initiatetheship'sfire-fightingplanandrequestassistance.

C.Shutdownallelectricalpowertotheengineroom.

D.Evacuateallpassengerstoasafearea.

【答案】:B

解析:本题考察火灾应急处置流程,正确答案为B。根据船舶应急程序,船长首要职责是启动消防计划(如使用固定灭火系统、组织船员灭火)并请求外部援助(如VHF呼救、通知附近船舶)。选项A(立即弃船)仅在火势失控时执行;选项C(关闭所有电力)可能中断应急设备运行;选项D(疏散乘客)需根据火势范围判断,非首要动作。因此B正确。8、Whichweatherphenomenonischaracterizedbyasuddenandviolentrotationofairaroundalow-pressurecenter,commonlyknownasa'typhoon'intheNorthwestPacific?

A.Hurricane

B.Typhoon

C.Tornado

D.Cyclone

【答案】:B

解析:Thisquestionisaboutidentifyingaspecifictypeoftropicalcyclone.OptionBiscorrectbecauseatyphoonispreciselythetermforastrongtropicalcycloneintheNorthwestPacific.OptionA,hurricane,isthetermforsimilarcyclonesintheAtlanticandNortheastPacific.OptionC,tornado,isasmall-scale,rapidlyrotatingcolumnofairandhasnodirectrelationtoalarge-scalelow-pressuresystem.OptionD,cyclone,isageneraltermforalarge-scalelow-pressuresystem,andtyphoonisjustonespecifictypeofcycloneinaparticularregion.9、AccordingtoSOLASConvention,eachshipshallbeequippedwithatleasthowmanylifeboatsforrescue?

A.2lifeboats

B.1lifeboat

C.3lifeboats

D.4lifeboats

【答案】:A

解析:本题考察SOLAS公约中救生设备的基本要求。SOLAS公约(国际海上人命安全公约)规定,货船至少需配备2艘救生艇,客船需根据吨位和乘客数量增加配置(通常不少于2艘)。选项B'1lifeboat'(1艘救生艇)不符合公约最低要求;选项C'3lifeboats'和D'4lifeboats'为额外配置,非最低标准。因此正确答案为A。10、UndertheInternationalSafetyManagement(ISM)Code,whichofthefollowingistheMASTERNOTresponsiblefor?

A.Ensuringtheship'snavigationequipmentisinproperworkingorder.

B.Implementingtheship'sapprovedsafetymanagementsystem(SMS).

C.Conductingregulardrillsforfireandman-overboardscenarios.

D.Designingtheship'shullstructuretocomplywithSOLASrequirements.

【答案】:D

解析:本题考察ISM规则中船长职责范围,正确答案为D。船舶结构设计(如船体、设备布局)由船厂/设计方负责,船长职责限于SMS实施(B)、设备维护(A)、组织应急演习(C)等。选项D中“设计船体结构”属于船舶建造阶段,非船长职责。因此D正确。11、WhichMARPOLAnnexregulatesthepreventionofpollutionbyoil?

A.AnnexI

B.AnnexII

C.AnnexIII

D.AnnexIV

【答案】:A

解析:本题考察国际防污染法规(MARPOL),正确答案为A。《国际防止船舶造成污染公约》(MARPOL)中,AnnexI(附则I)专门针对“油类污染”,要求船舶配备油类记录簿、实施溢油应急计划等;AnnexII针对“有毒液体物质污染”,AnnexIII针对“包装有害物质污染”,AnnexIV针对“生活污水污染”,均与油污染无关。12、在国际避碰规则(COLREGs)中,当两船相遇且一船为直航船时,直航船的首要职责是?

A.保持航向和航速,直到确定让路船已经采取了足够的避让行动

B.立即转向以避免碰撞

C.减速以减少会遇距离

D.鸣放五短声警告让路船

【答案】:A

解析:本题考察国际避碰规则中直航船的职责知识点。直航船的核心职责是保向保速(keepcourseandspeed),除非让路船未采取足够避让行动且碰撞危险紧迫,此时直航船才需采取必要行动。选项B和C均为直航船不应主动实施的行为(除非特殊紧迫情况);选项D错误,避碰规则中无“五短声”警告信号,属于干扰项。13、AccordingtoSTCWConvention,whatmeansshouldanavigatingofficeronwatchuseforlookout?

A.Visual,auditory,radar,VHF

B.Visual,auditory,radar,electronicnavigationaids

C.Onlyvisualandauditorymeans

D.OnlyradarandAIS

【答案】:B

解析:本题考察STCW公约中航行瞭望的要求。正确答案为B,瞭望应综合运用视觉、听觉、雷达及电子助航设备,以全面掌握船舶周围环境。A选项VHF属于通信工具,非瞭望手段;C错误,电子设备是瞭望的重要辅助;D错误,忽略了视觉、听觉等基本瞭望手段。14、Whatdoesthephrase'puttheshipabout'meaninnavigation?

A.Stoptheship

B.Puttheshipinreverse

C.Changethedirectionoftheship(turnaround)

D.Increasetheship'sspeed

【答案】:C

解析:本题考察船舶操纵指令术语。正确答案为C,“puttheshipabout”意为“掉头”,即改变船舶航向;A选项“Stoptheship”通常对应“bringtheshiptoahalt”;B选项“Puttheshipinreverse”指倒车;D选项“Increasetheship'sspeed”指加速,均为错误选项。15、AccordingtoSOLASConvention,thelifeboatshallbeabletolaunchwithin______minutesincaseofemergency.

A.5

B.10

C.15

D.20

【答案】:B

解析:本题考察SOLAS公约中救生设备要求。SOLAS明确规定,救生艇应能在紧急情况下10分钟内完成释放,以确保遇险人员快速撤离。A选项5分钟过短,C和D选项超过公约最低标准。因此正确答案为B。16、Innavigation,'Safespeed'isdefinedasthespeedatwhichavesselcan______.

A.Moveslowlytoavoidcollision

B.Takeproperandeffectiveavoidingactionandstopwithinasafedistance

C.Reducespeedtominimumpossible

D.Increasespeedtomaximumpossiblewithoutrisk

【答案】:B

解析:本题考察航海安全航速的定义。正确答案为B。安全航速的核心定义是船舶能采取适当而有效的避碰行动,并能在适合当时环境和情况的距离内把船停住的速度。选项A错误,因“slowly”未明确包含“有效避碰和安全停船”的关键要素;选项C“minimumspeed”(最低速度)与安全航速的“安全控制”要求不符;选项D“maximumspeed”(最高速度)会增加碰撞风险,违背安全航速的本质。17、Whichweatherphenomenonischaracterizedbyarapidlyrotatingcolumnofairextendingfromacumulonimbuscloudtotheground,oftencausingseveredamage?

A.Cyclone

B.Tornado

C.Hurricane

D.Typhoon

【答案】:B

解析:本题考察航海气象中极端天气现象的定义。Tornado(龙卷风)是强烈旋转的空气柱,从积雨云延伸至地面,破坏力极强,符合题干描述。A选项“Cyclone”(气旋)是大范围低气压系统,风力分布较均匀;C选项“Hurricane”(飓风)和D选项“Typhoon”(台风)均为大西洋和西北太平洋地区的热带气旋,中心风力强但范围更广,与“旋转空气柱”的局部性特征不符。因此正确答案为B。18、Whichtermdescribestheperiodwhenthewaterlevelisneitherrisingnorfalling,betweenhighwaterandlowwater?

A.Ebbtide

B.Slackwater

C.Floodtide

D.Highwater

【答案】:B

解析:Thisquestionteststidalterminology.Slackwater(B)isthestillwaterperiodbetweenebbandfloodtides,wheretidalcurrentceases.Ebbtide(A)isthefallingphaseofwater,floodtide(C)istherisingphase,andhighwater(D)isthepeakwaterlevel.Thus,Bisthecorrectterm.19、WhichstatementabouttheInternationalCodeofSignals(ICS)isCORRECT?

A.ICSsignalsaremandatoryforallshipsnavigatingininternationalwaters.

B.ICSuseslettersandnumberstorepresentmessagesforcommunicationatsea.

C.TheICSdistresssignalisrepresentedbytheletter'Q'(singleflaghoist).

D.ICSsignalsmustbesentinpairs(e.g.,twoflags)toconveymeaningfulmessages.

【答案】:B

解析:本题考察国际信号规则(ICS)的核心内容。正确答案为B,ICS通过字母、数字和符号组合成信号码组(如字母码、数字码、组合码),用于船舶间的通信(如船舶动态、气象、求救等信息)。选项A错误,ICS为推荐性信号规则,非强制使用;选项C错误,字母“Q”旗(单旗)是“请求引航”信号,遇险信号为“N”旗(单旗)+“R”旗(单旗)组合(“NR”);选项D错误,ICS信号可通过单旗、双旗或多旗组合发送,并非必须成对。20、UnderSOLASConvention,whichstatementaboutlifeboatsisCORRECT?

A.Lifeboatsmustbelaunchedwithin10minutesinallseaconditions

B.Eachlifeboatmustcarrysurvivalsuppliesforatleast72hours

C.Thenumberoflifeboatsmustexceedtotalcrew/passengersbyone

D.Lifeboatdavitsshouldlifttheboatinonecontinuousoperation

【答案】:B

解析:本题考察SOLAS公约对救生艇的要求。SOLAS规定救生艇需配备足够的生存物资(如食品、淡水、药品等),通常至少维持72小时。A选项中“10分钟”为模糊时间,SOLAS要求的是“迅速释放”(promptlylaunched)而非固定分钟数;C选项救生艇数量需满足所有人员,而非“多一艘”;D选项救生艇释放通常需分步操作(如释放装置、起吊等),非“连续操作”。因此正确答案为B。21、Whichstatementabout'free-falllifeboat'iscorrect?

A.Itislaunchedbygravitywithoutmechanicalassistance,typicallyusedinhigh-speedvessels

B.Itisatypeoflifeboatthatrequiresmanualloweringbycrewmembers

C.Itisdesignedtobelaunchedonlywhentheshipisstationary

D.Itisequippedwithaself-rightingmechanismtopreventcapsizing

【答案】:A

解析:本题考察救生艇类型“free-falllifeboat”的特点。自由降落救生艇(free-falllifeboat)通过重力自由降落,无需机械辅助,常用于高速船舶或要求快速撤离的场景。选项B描述的是传统救生艇(如降落式救生艇),C错误(自由降落艇可在航行中使用),D是救生艇通用安全设计(非自由降落艇特有)。22、WhichdocumentisNOTrequiredforaMaster'sCertificateofCompetencyundertheSTCWConvention?

A.CertificateofCompetency

B.MedicalFitnessCertificate

C.PassengerList

D.ContinuousTrainingRecord

【答案】:C

解析:本题考察STCW公约对船长适任证书的要求。CertificateofCompetency(适任证书)是必备的;MedicalFitnessCertificate(健康证明)是STCW要求的基础文件;ContinuousTrainingRecord(连续培训记录)用于证明船长持续符合技能要求。而PassengerList(乘客名单)是船舶航行中需记录的临时文件,不属于适任证书本身的必备文件,因此正确答案为C。23、Whatdoestheabbreviation'LOA'standforinmaritimeterms?

A.LengthBetweenPerpendiculars

B.LengthOverall

C.Beam

D.Draft

【答案】:B

解析:本题考察航海基础术语缩写含义。选项A'LengthBetweenPerpendiculars'是垂线间长(LBP),选项B'LengthOverall'是总长(LOA),即从船首柱前端到船尾柱后端的最大长度,选项C'Beam'指船宽,选项D'Draft'指吃水。因此正确答案为B。24、Inmarineengineering,whatdoestheabbreviation'GM'representinthecontextofshipstability?A.Metacentricradius(distancefromcenterofgravitytometacenter)B.Metacentricheight(verticaldistancebetweencenterofgravityandmetacenter)C.GeometricmodulusofstrengthD.Globalmarginofsafetyforhullstructure

A.Metacentricradius(distancefromcenterofgravitytometacenter)

B.Metacentricheight(verticaldistancebetweencenterofgravityandmetacenter)

C.Geometricmodulusofstrength

D.Globalmarginofsafetyforhullstructure

【答案】:B

解析:本题考察船舶稳性中GM的定义。GM(MetacentricHeight)是船舶重心(G)与稳心(M)之间的垂直距离,直接反映船舶稳性大小。选项A为稳心半径(BM,稳心M到浮心B的距离),选项C和D为无关工程术语。因此正确答案为B。25、Whenashipisindistress,theMastershouldfirst______.

A.ActivatetheEmergencyPositionIndicatingRadioBeacon(EPIRB)

B.TransmitSOSviaVHFChannel16

C.SendaDSCdistressalertviaGMDSSequipment

D.NotifycoastalstatesthroughInmarsat-Cterminal

【答案】:A

解析:本题考察遇险信号的启动流程。EPIRB(应急无线电示位标)是遇险时最优先启动的设备,其自动发射的遇险信号可覆盖大范围海域,无需人工操作。B选项VHFChannel16为近距离信号,需人工操作;C选项DSC警报虽有效,但需操作员操作,反应速度慢于EPIRB;D选项Inmarsat-C依赖卫星覆盖,启动流程复杂。因此正确答案为A。26、Whichabbreviationstandsfor'VesselTrafficService'?

A.VTS

B.ARPA

C.ECDIS

D.SART

【答案】:A

解析:本题考察航海专业术语缩写的知识点。VTS是VesselTrafficService的标准缩写,用于规范船舶交通流管理。选项BARPA(AutomaticRadarPlottingAid)是“自动雷达标绘仪”;选项CECDIS(ElectronicChartDisplayandInformationSystem)是“电子海图显示与信息系统”;选项DSART(SearchAndRescueTransponder)是“搜救应答器”。因此正确答案为A。27、Whichinstrumentisusedtodeterminetheship'spositionbymeasuringanglestofixedcelestialbodiesorlandmarks?

A.GPSreceiver

B.Radar

C.Sextant

D.Logbook

【答案】:C

解析:本题考察航海定位仪器的功能。选项A'GPSreceiver'(全球定位系统)通过卫星信号直接定位,无需测量角度;选项B'Radar'(雷达)用于探测目标距离和方位,但不依赖角度测量固定天体;选项C'Sextant'(六分仪)通过测量天体高度或物标方位角计算船位,是传统天文定位的核心工具;选项D'Logbook'(航海日志)是记录航行数据的文书,非定位仪器。因此正确答案为C。28、WhichVHFchannelisinternationallyrecognizedasthedistressandsafetychannelformaritimecommunications?

A.Channel13

B.Channel16

C.Channel70

D.Channel80

【答案】:B

解析:本题考察VHF遇险安全频道。Channel16(VHF16频道)是国际公认的遇险与安全专用频道,所有船舶遇险时应优先使用,因此B正确。A(13频道)主要用于港口交通;C(70频道)是SART应答频道;D(80频道)非国际通用遇险频道。29、Whichofthefollowinginformationmustberecordedintheship'slogbookaccordingtointernationalregulations?

A.Vessel'sheading,speed,position,weatherconditions,visibility

B.Alldetailsofengineroomoperations

C.Crewmembers'dailyschedulesandmeals

D.Detailsofnavigationequipmentmaintenance

【答案】:A

解析:本题考察航海日志记录规范。根据《国际海上避碰规则》,航海日志需记录船舶动态(航向、航速、船位)、航行环境(天气、能见度、海况)及关键操作,对应选项A。选项B(机舱操作细节)属于机舱日志;选项C(船员日程)为船上管理记录;选项D(设备维护)属于设备维修记录,均非航海日志核心内容,故正确答案为A。30、InacrossingsituationasperCOLREGs,whichvesselisobligatedtotakeearlyactiontoavoidcollision?

A.Thevesselonthestarboardsideoftheother

B.Thevesselontheportsideoftheother

C.Thefastervessel

D.Thelargervessel

【答案】:A

解析:本题考察国际避碰规则(COLREGs)交叉相遇局面。正确答案为A。根据COLREGs第9条,交叉相遇时,“thevesselwhichhastheotheronherstarboardsideshallkeepoutoftheway”(右舷船为让路船),需主动采取避让行动。B选项“左舷船”在交叉局面中为直航船;C、D选项“速度/吨位优势”不构成让路义务,仅在追越局面中适用。31、WhichVHFchannelisinternationallydesignatedfordistressandsafetycommunications?

A.Channel13

B.Channel16

C.Channel10

D.Channel70

【答案】:B

解析:ThisquestiontestsknowledgeofVHFcommunicationchannels.Channel16(B)istheinternationaldistressandsafetychannelforVHFradio,usedforurgentmaritimedistresssignals.Channel13(A)istypicallyusedforport-to-portcommunicationsinsomeregions,Channel10(C)isnotastandarddistresschannel,andChannel70(D)isusedforDigitalSelectiveCalling(DSC)distressalertsbutnotfordirectvoicecommunication.Thus,Biscorrect.32、UnderSOLASConvention,ashipwithagrosstonnageof500ormoremustcarryatleast______lifeboatstoensureallcrewandpassengerscanberescued.

A.onelifeboatequaltotheship’scapacity

B.twolifeboatsregardlessoftheship’ssize

C.threelifeboatsforshipsover10000GT

D.nospecificnumber,justsufficienttoaccommodateallpersons

【答案】:A

解析:本题考察SOLAS公约中救生艇的配备要求。SOLAS公约明确规定,500总吨及以上船舶至少需配备1艘救生艇,且该救生艇的容量必须能容纳船上所有人员。选项B(无论船型均配2艘)与SOLAS分级要求不符;选项C(按10000总吨以上船舶配3艘)无公约依据,SOLAS未按吨位分级指定具体数量;选项D(无具体数量仅需容纳人员)忽略了救生艇“独立承载全部人员”的强制要求。因此正确答案为A。33、WhenashipisinvolvedinacollisionandneedstoreporttheincidenttoMRCC,whichVHFchannelshouldbeused?

A.VHFChannel16(InternationalDistressandSafetyChannel)

B.VHFChannel70(DigitalSelectiveCallingDistressChannel)

C.VHFChannel8(GeneralMaritimeChannel)

D.VHFChannel10(CollisionAvoidanceChannel)

【答案】:A

解析:本题考察VHF遇险通信规则。VHFChannel16是国际公认的遇险与安全频道(InternationalDistressandSafetyChannel),适用于语音直接报告碰撞等紧急情况(选项A正确)。选项B错误,Channel70为DSC遇险频道,主要用于自动发送遇险信息,需配合16频道语音确认;选项C(Channel8)和D(Channel10)为避碰或通用频道,非遇险专用。故正确答案为A。34、Whatdoestheterm'freeboard'refertoinshipterminology?

A.Theverticaldistancefromtheloadwaterlinetotheupperdeckedge

B.Thehorizontaldistancebetweentwoadjacentholds

C.Themaximumspeedoftheshipincalmwater

D.Thedraftoftheshipindeepwater

【答案】:A

解析:本题考察船舶术语定义。正确答案为A。解析:Freeboard(干舷)是船舶重要参数,指从载重水线(Loadwaterline)到上层甲板边缘的垂直距离,反映船舶储备浮力;B选项描述的是货舱间距;C选项为船速;D选项Draft(吃水)是船底到水面的距离,与干舷定义相反。35、UnderSOLASConvention,everyshipof500grosstonsormoreshallcarryatleastonelifeboatcapableoflandinghowmanypeople?

A.25%oftheship'scomplement

B.50%oftheship'scomplement

C.100%oftheship'scomplement

D.150%oftheship'scomplement

【答案】:C

解析:本题考察SOLAS公约救生设备配备要求。正确答案为C,依据《国际海上人命安全公约》(SOLAS)第III章,500总吨及以上船舶必须至少配备1艘救生艇,其容量应能承载船上100%的船员(包括所有甲板部、机舱部等人员),确保遇险时全员安全撤离。选项A(25%)、B(50%)人数不足,无法覆盖所有船员;选项D(150%)超出实际需求,公约未要求冗余容量。36、Whichcommunicationequipmentistypicallyusedforlong-rangeship-to-shorecommunicationinoceanareas?

A.VHF(VeryHighFrequency)

B.SSB(SingleSideband)

C.Inmarsat-C

D.EPIRB(EmergencyPositionIndicatingRadioBeacon)

【答案】:C

解析:本题考察船舶通信设备功能。选项AVHF工作在甚高频段,主要用于近岸(港口及附近)短距离通信;选项BSSB(单边带)虽可长距离通信,但多用于电报或语音传输,非船舶标准通用船岸通信设备;选项CInmarsat-C是国际海事卫星组织的小型终端,专为船岸数据通信设计,支持长距离(覆盖全球);选项DEPIRB是应急示位标,仅用于遇险时发射定位信号,不具备双向通信功能。因此正确答案为C。37、Inmarinenavigation,theterm'astern'primarilyreferstowhichdirection?

A.Forwarddirectionoftheship

B.Rearwarddirectionoftheship

C.Portsideoftheship

D.Starboardsideoftheship

【答案】:B

解析:本题考察航海基础术语,正确答案为B。在航海英语中,'astern'特指船舶的后方(船尾方向)。选项A(Forward)是'forward'的含义(前方);选项C(Port)和D(Starboard)分别是左舷和右舷,均与方向词'astern'无关。38、WhichofthefollowingisarecognizeddistresssignalundertheInternationalCodeofSignals(ICS)?

A.Singleletter'N'flag(Nflagalone)

B.Redsquareoverwhitesquare(InternationalCodeflags)

C.Greenball(Greencircle)displayedonthevessel

D.Yellowflagwithblacksquare(InternationalCodeflags)

【答案】:B

解析:本题考察国际信号规则中的遇险信号识别。根据《国际信号规则》,遇险信号需使用特定的遇险信号旗组合,其中红方旗(N旗)叠加白方旗(S旗)是国际通用的遇险信号组合(对应ICS中遇险信号代码)。选项A(单独字母旗)、C(绿色球,用于特定作业信号,非遇险)、D(黄底黑方旗,为危险货物信号)均非遇险信号。正确答案为B。39、Inanemergencysituationatsea,theprioritychannelforurgentdistresscallsonVHFradiois______.

A.Channel13

B.Channel16

C.Channel70

D.Channel06

【答案】:B

解析:本题考察VHF遇险通信频道。正确答案为B。国际海事规则规定,VHFChannel16(频道16)是国际遇险与安全专用频道,遇险时优先使用该频道进行紧急呼叫。选项A(港口作业频道)、D(常规通信频道)非遇险专用;选项C(DSC频道70)主要用于数字报警,语音紧急呼叫仍以频道16为优先。40、Theterm'meandraft'inship'sterminologyisdefinedas______.

A.Themaximumdraftmeasuredatanypoint

B.Theaverageoftheforwardandafterdrafts

C.Theminimumdraftrequiredforsafenavigation

D.Thedraftmeasuredatthemidshipsection

【答案】:B

解析:本题考察船舶吃水术语“meandraft”。正确答案为B,“meandraft”特指船舶首尾吃水的平均值,用于计算船舶稳性、排水量等关键参数。A选项为“maximumdraft”(最大吃水),C选项为“minimumsafedraft”(最小安全吃水),D选项为“midshipdraft”(船中吃水),均与“meandraft”定义不符。41、UnderSTCWCode,theterm'Watchkeeping'refersto______.

A.Theresponsibilityofofficerstomaintaintheship'scourse

B.Thedutyofpersonneltoensurethesafenavigationandoperationoftheshipwhileonwatch

C.Theprocessofconductingregularinspectionsoftheship'sequipment

D.Thepracticeofusingradarfordetectingnearbyvessels

【答案】:B

解析:本题考察STCW公约值班定义知识点。正确答案为B,STCWCode中“Watchkeeping”明确指值班人员在值班期间确保船舶安全航行与操作的职责,涵盖航行、设备监控、应急处置等全流程。A选项仅描述“保持航向”,片面;C选项“设备检查”属于日常维护,非值班核心职责;D选项“雷达探测”是航行辅助手段,非值班的定义性描述。42、TheBeaufortWindForceScaleisusedtomeasurewhichofthefollowing?

A.Winddirection

B.Windspeed

C.Waveheight

D.Atmosphericpressure

【答案】:B

解析:本题考察气象观测工具。BeaufortWindForceScale(蒲福风级表)专门用于测量风力(即风速)。A风向由风向标测量;C浪高需通过波高仪或目测海况判断;D大气压由气压计测量,均非蒲福风级表的功能。43、WhichVHFchannelisdesignatedastheinternationaldistressandsafetychannel?

A.Channel16

B.Channel6

C.Channel13

D.Channel70

【答案】:A

解析:本题考察VHF遇险与安全频道的知识。国际海事组织规定VHF16频道为国际遇险与安全频道,用于船舶间遇险信号的发射与接收。选项B(Channel6)主要用于沿海航行安全通信;选项C(Channel13)为近岸船舶常用的交通频道;选项D(Channel70)是VHFDSC(数字选择性呼叫)的遇险与安全频道,但题目问的是“channel”而非“DSCchannel”,16频道是通用遇险频道,故正确答案为A。44、WhatistheEnglishtermforthedevicethatemitsacontinuoussoundsignaltoindicatethepresenceoftheship,suchasinfoggyconditions?

A.Fogsignal

B.SART

C.AIStransponder

D.EPIRB

【答案】:A

解析:本题考察船舶设备功能。正确答案为A,“Fogsignal”(雾号)在能见度低时(如雾中)发出持续声音信号;B选项SART(搜救雷达应答器)用于被雷达探测后反射定位;C选项AIS(自动识别系统)用于船舶间信息交换;D选项EPIRB(应急无线电示位标)用于遇险信号发射,均为错误选项。45、InacrossingsituationasperCOLREGs,whichofthefollowingactionsshouldthestand-onvesseltake?

A.Maintaincourseandspeeduntilitisclearthatthegive-wayvesselistakingappropriateactiontoavoidcollision.

B.Immediatelyaltercoursetoporttoavoidcollision.

C.Reducespeedtohalftheoriginalspeedtogivemoretimeforthegive-wayvesseltomaneuver.

D.Soundoneshortblastofthewhistletoindicateintentiontostarboardturn.

【答案】:A

解析:本题考察国际避碰规则(COLREGs)中交叉相遇局面下直航船的义务。根据COLREGsRule14,直航船的核心义务是保持航向和航速,直至确认让路船已采取有效避让行动。选项B错误,直航船无义务主动转向;选项C错误,直航船无需减速;选项D错误,一短声鸣笛非避碰规则中的避让信号。因此正确答案为A。46、Duringashipboardfire,ifthefirespreadsrapidlyanddirectsuppressionisimpossible,theimmediateactionshouldbeto?

A.Closeallventilationsystemstopreventoxygeninflow

B.Abandontheshipimmediatelyregardlessofdamage

C.ActivateCO2fireextinguishingsystemtosmotherthefire

D.Releasefoamtoblankettheburningarea

【答案】:A

解析:本题考察船舶火灾应急处置。正确答案为A。当火势无法控制时,关闭通风系统可切断氧气供应,防止火势因氧气充足而进一步蔓延扩大。选项B弃船是最后手段,非最佳选择;选项C和D均需靠近火源操作,在火势蔓延时不可行;而关闭通风是快速控制火势的有效措施。47、Whatdoestheabbreviation'SOLAS'standforinmaritimeregulations?

A.SafetyofLifeatSeaConvention

B.InternationalConventionforthePreventionofPollutionfromShips

C.InternationalConventiononStandardsofTraining,CertificationandWatchkeepingforSeafarers

D.InternationalMaritimeDangerousGoodsCode

【答案】:A

解析:本题考察国际海事公约缩写。SOLAS是《国际海上人命安全公约》(InternationalConventionfortheSafetyofLifeatSea)的缩写。选项B为MARPOL(防污染公约),选项C为STCW(海员培训发证公约),选项D为IMDGCode(国际海运危险货物规则),均非SOLAS全称。48、Whichofthefollowingbestdefinesagive-wayvesselunderCOLREGs?

A.Avesselwhichmusttakeearlyandsubstantialactiontokeepoutofthewayofanothervessel

B.Avesselwhichhastherightofwayoveranothervessel

C.Avesselthatshouldmaintainitscourseandspeed

D.AvesselthatisnotabletomaneuverasrequiredbyCOLREGs

【答案】:A

解析:Thisquestionexaminesthedefinitionofagive-wayvesselundertheInternationalRegulationsforPreventingCollisionsatSea(COLREGs).OptionAiscorrectbecauseagive-wayvesselislegallyobligatedtotakeearlyandsignificantmeasurestoavoidcollisionwithothervessels.OptionBdescribesastand-onvessel,whichhastherightofwayandshouldmaintainitscourseandspeed.OptionCisthedutyofastand-onvessel,notagive-wayvessel.OptionDreferstoavesselwithrestrictedmaneuverability,whichisadifferentcategoryofvesselunderCOLREGs,notadefinitionofagive-wayvessel.49、Theofficeronwatchshouldgivetheorder'______'whenthemasterwantstheshiptoreducespeed.

A.Reducespeed

B.Slowdownimmediately

C.Stoptheengine

D.Holdspeed

【答案】:A

解析:本题考察航海英语指令规范。“Reducespeed”(选项A)是船长要求减速的标准指令。选项B“Slowdownimmediately”语气过强(仅紧急避让使用);选项C“Stoptheengine”是停车指令;选项D“Holdspeed”意为保持速度,与题意相反。故正确答案为A。50、WhichactionshouldthemastertakeFIRSTupondiscoveringanoilspillfromtheship?

A.ImmediatelyreportthespilltothenearestportstateauthorityviaVHFradio.

B.Deployoilcontainmentboomstopreventfurtherspreadoftheoil.

C.Usechemicaldispersantstobreakuptheoilslickandreduceenvironmentalimpact.

D.Contactthecompany'spollutioncontroldepartmentforguidanceoncleanupprocedures.

【答案】:A

解析:本题考察MARPOL公约附则I中船长对船舶污染事故的应急响应。正确答案为A,根据MARPOL公约,船长发现溢油后必须立即向最近的港口国当局或海事机构报告,报告内容包括溢油位置、数量、类型等关键信息,以便启动应急响应。选项B错误,部署围油栏属于后续应急措施,非首要步骤;选项C错误,使用化学分散剂需在专业指导下进行,船长不得擅自使用;选项D错误,联系公司应在报告之后,首要任务是确保污染信息被及时传递给主管机关。51、Whichlightorshapeisdisplayedbyavesselengagedinfishingwhennotunderway?

A.All-roundwhitelight

B.Anchorlight

C.Threeblackballs

D.Redandgreennavigationlights

【答案】:C

解析:本题考察国际避碰规则中号灯号型的使用。从事捕鱼作业的船舶在非航行状态(如锚泊)时,根据《国际避碰规则》应显示“三个黑色球体”(选项C)作为号型;A项航行灯仅在航行时使用;B项锚灯是锚泊船的专用号灯,无论是否捕鱼均适用,但题目强调“从事捕鱼”的特殊标识;D项红绿航行灯是船舶航行时的基本航行灯,故C为正确答案。52、AccordingtoSOLASConvention,thelifeboatsofashipshouldbestowedsuchthattheycan______.

A.Belaunchedonlyfromtheportside

B.Belaunchedonlyfromthestarboardside

C.Berapidlylaunchedfromeitherside

D.Bestowedinthehighestdecktoensurevisibility

【答案】:C

解析:本题考察SOLAS公约中救生艇存放要求。正确答案为C。SOLAS公约明确救生艇应设计为能从船的两侧迅速降落,以确保船舶遇险时(如倾斜、沉没),可从任一舷侧快速释放,保障应急救援效率。选项A、B错误,仅单侧存放无法应对复杂海况下的双向应急需求;选项D错误,最高甲板易受船舶倾斜影响,且不利于快速降落操作。53、AccordingtoCOLREGs,whichofthefollowingcorrectlydescribestheobligationofa'stand-onvessel'?

A.Itmusttakeearlyandsubstantialactiontokeepoutofthewayofthegive-wayvessel

B.Itmustmaintainitscourseandspeedunlessitisclearthatthegive-wayvesselisnottakingappropriateaction

C.Ithastherightofwayandcanignorethegive-wayvessel'sactions

D.Itmustimmediatelyreversecoursetoavoidcollisionwiththegive-wayvessel

【答案】:B

解析:本题考察国际避碰规则中直航船(stand-onvessel)的责任。根据COLREGs,直航船的责任是保持航向和航速,除非明显看出让路船(give-wayvessel)未采取适当避让行动。选项A是让路船的责任,选项C错误(直航船也需关注让路船动态),选项D是极端错误的操作指令。54、Whichnavigationalinstrumentisusedtodeterminetheship’sheadingrelativetotheEarth’smagneticpoles?

A.MagneticCompass

B.Gyrocompass

C.GPSReceiver

D.ElectronicChartDisplayandInformationSystem(ECDIS)

【答案】:A

解析:本题考察航海仪器的功能差异,正确答案为A。解析:MagneticCompass(磁罗经)通过地球磁场(地磁北极)指示船舶航向,直接测量相对磁北的方向,是船舶必备的基础导航设备(尤其作为GPS/陀螺罗经失效时的备用设备)。选项B的Gyrocompass(陀螺罗经)基于陀螺定轴性原理,通常指示真北(TrueNorth),精度更高但依赖电力和维护;选项C的GPSReceiver(全球定位系统)用于定位而非直接指示航向;选项D的ECDIS是电子海图系统,辅助航行规划而非航向测量。题干强调“relativetomagneticnorth”,因此磁罗经是唯一符合的选项。55、Whichtermisusedtodescribethedevicethatmeasuresthedepthofwaterundertheship?

A.Fathometer

B.Compasses

C.Logbook

D.EchoSounder

【答案】:A

解析:本题考察船舶航海仪器术语。Fathometer(回声测深仪)是专门用于测量水深的设备,通过声波反射原理工作。B选项Compasses(罗盘)用于方向定位;C选项Logbook(航海日志)是记录航行数据的文档;D选项EchoSounder(回声测深仪)虽功能相近,但Fathometer是更典型的测深仪术语,故正确答案为A。56、在能见度不良的水域中,锚泊船为引起附近船舶注意,应采取的信号措施是?

A.每1分钟鸣放一长声号笛

B.开启所有航行灯

C.显示号型(垂直两个球体)

D.使用雷达反射器

【答案】:A

解析:本题考察能见度不良时锚泊船的信号规定。根据《国际避碰规则》,能见度不良时,锚泊船应每1分钟鸣放一长声号笛以发出听觉信号。选项B(航行灯)是持续显示的视觉信号,在能见度不良时无法有效引起注意;选项C(号型)主要用于白天识别,非听觉信号;选项D(雷达反射器)需配合主动设备使用,本身不发出信号。因此正确答案为A。57、UndertheInternationalRegulationsforPreventingCollisionsatSea(COLREGs),whichofthefollowingscenariosdefinesacrossingsituation?

A.Twovesselswitharelativebearingof0°andtheircoursesareconvergingrapidly

B.Theircoursescross,andthereexistsariskofcollisionbetweenthem

C.Onevesselovertakesanother,andtheovertakenvesselisonitsstarboardside

D.Bothvesselsnavigateinthesamedirectionwithchangingrelativebearings

【答案】:B

解析:本题考察国际避碰规则(COLREGs)中交叉局面的定义。交叉局面的核心特征是两船航向交叉且存在碰撞危险。选项A描述的是对遇局面(head-onsituation),此时两船航向几乎相反;选项C描述的是追越局面(overtakingsituation),追越船需承担让路责任;选项D不符合交叉局面的基本定义,更接近平行航向但未交叉的情况。正确答案为B,因其严格符合COLREGs中交叉局面的定义。58、Whatdoestheterm'Piloting'refertoinmaritimeoperations?

A.Theprocessofguidingavesselintooroutofaportusinglocalknowledgeandexpertise

B.Theautomatedsystemthatmaintainsavessel'scourseusingGPSandradar

C.Thetransmissionofnavigationalwarningsbetweenshipsandshorestations

D.Thecalculationofavessel'spositionusingcelestialobservations

【答案】:A

解析:本题考察航海术语“引航”的定义。引航(Piloting)特指利用当地水域的专业知识和经验引导船舶进出港口或复杂水域,符合选项A描述。选项B描述的是自动导航系统(如GPS/雷达导航),选项C是航行警告通信,选项D是天文定位法,均不符合“引航”的定义。59、Upondiscoveringafireintheengineroom,themastershouldFIRST______accordingtoSOLASfiresafetyrequirements.

A.Soundthegeneralalarmandinit

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