2026年船长考证英语试题库100道及完整答案【易错题】

2026年船长考证英语试题库100道及完整答案【易错题】一、单项选择题（共20题，每题1分，总分20分）1.Whennavigatinginanarrowchannel,whichofthefollowingactionsshouldacaptainprioritizetoensuresafety?A.MaintainingaconstantspeedtocoverthedistancequicklyB.KeepingaclosewatchonthecompassandavoidingsuddenmaneuversC.FocusingoncommunicationwiththeshorestationwhileignoringvesselmovementD.AdjustingtheenginepowertomatchthetidalcurrentforefficiencyAnswer:BExplanation:Innarrowchannels,maintainingasteadycourseandavoidingabruptchangesinspeedordirectionarecriticaltopreventcollisionswithbuoys,obstructions,orothervessels.OptionAisincorrectbecauseexcessivespeedincreasestheriskoflossofcontrol.OptionCiswrongbecausecommunicationisimportant,butvesselsafetymustremainthetoppriority.OptionDisirrelevanttoimmediatenavigationhazardsinconfinedwaters.2.Whatdoestheterm"deadreckoning"refertoinmaritimenavigation?A.AmethodofdeterminingpositionusingcelestialbodiesB.Atechniqueforestimatingpositionbasedonspeed,time,anddirectionC.AprocessofmarkingbuoyswithreflectivematerialsfornightnavigationD.AsystemofusingGPStoplotthevessel'sexactlocationAnswer:BExplanation:Deadreckoninginvolvescalculatingavessel'spositionbyadvancingaknownpositionthroughspeedandtime,typicallyusinglogsandcompassheadings.OptionAdescribescelestialnavigation.OptionCreferstobuoymarkingpractices.OptionDisGPS-basedpositioning,whichisnotdeadreckoning.3.Inanemergencysituation,whichorderofactionsshouldacaptainfollowaccordingtomaritimeregulations?A.Firstsecurethecargo,thenassistothervessels,andfinallyabandonshipifnecessaryB.Immediatelyabandonship,securethecrew,andreporttheincidentafterwardC.PrioritizecommunicationwiththenearestportauthoritybeforetakinganyactionD.FocussolelyonenginerepairswhilewaitingforexternalassistanceAnswer:AExplanation:Maritimesafetyprotocolsdictatethatcargosecuringcomesfirsttopreventfurtherhazards,followedbyassistingothervessels,andonlythenconsideringabandonmentifthesituationisuncontrollable.OptionBisincorrectbecauseabandoningshipshouldbealastresort.OptionCignoresimmediateonboardactions.OptionDdelayscriticalsafetymeasures.4.WhatdoestheInternationalRegulationsforPreventingCollisionsatSea(COLREGs)classifyasa"give-way"vesselinacrossingsituation?A.ThevesselonthestarboardsideoftheothervesselB.ThevesselwiththelargerenginepowerC.ThevesselwhichmustkeepoutofthewayoftheothervesselD.ThevesseloperatinginanarrowchannelAnswer:CExplanation:COLREGsdefinethe"give-way"vesselastheonethatmusttakeearlyandsubstantialactiontokeepwellclearofthe"stand-on"vessel.OptionAdescribesthe"stand-on"vessel'sposition.OptionBandDareirrelevanttotherule'sclassification.5.WhichofthefollowingisaprimarypurposeoftheInternationalConventionfortheSafetyofLifeatSea(SOLAS)?A.Toregulatetheshippingindustry'scarbonemissionsB.TostandardizethedesignandconstructionofmaritimevesselsC.ToestablishmaximumcargoweightlimitsforallshipsD.ToprohibittheuseofsyntheticropesoncommercialvesselsAnswer:BExplanation:SOLASaimstoensuremaritimesafetybysettingstandardsforshipconstruction,equipment,andoperationalprocedures.OptionArelatestoenvironmentalregulations(e.g.,MARPOL).OptionCandDareunrelatedtoSOLASobjectives.6.Whenavesselencountersfog,whichnavigationtoolshouldacaptainprimarilyrelyontomaintainsituationalawareness?A.Radaralone,asitprovidesthemostaccuratepositioninginlowvisibilityB.GPSexclusively,sinceiteliminatestheneedforotherinstrumentsC.Acombinationofradar,AIS,andsoundsignalsforlayeredawarenessD.Onlytheship'slogtotrackmovementwithoutexternalaidsAnswer:CExplanation:Infog,multipletoolsenhancesafety:radardetectsobjects,AIStracksnearbyvessels,andsoundsignalswarnofproximity.Relyingonasingletoolisinsufficient.OptionAignoresthelimitationsofradarinextremeconditions.OptionBisincorrectbecauseGPSmayfailinareaswithsignalinterference.7.Whatdoestheterm"berth"refertoinmaritimeterminology?A.AtemporarymooringpointforavesselinportB.TheareawherecargoisloadedontoashipC.ThedesignatedrouteforenteringaharborD.TheofficiallicenserequiredtooperateacommercialvesselAnswer:AExplanation:A"berth"isafixedplacewhereavesselismooredoranchoredinport.OptionBdescribesa"cargohold."OptionCreferstoa"channel."OptionDisa"vessellicense."8.Intheeventofafireonboard,whichextinguishertypeshouldbeusedonanelectricalfire?A.Water-basedfoamextinguishersB.Carbondioxide(CO₂)ordrychemicalextinguishersC.Sand-basedsuppressantsD.ChemicalfireretardantsAnswer:BExplanation:Electricalfiresrequirenon-conductiveextinguisherslikeCO₂ordrychemicaltopreventshortcircuits.Water-basedfoamcanconductelectricityandisunsafe.Sandisoutdated,andchemicalretardantsarenotstandard.9.Whatdoesthephrase"ruleoftheroad"signifyinmaritimenavigation?A.AsetofregulationsforvesseltrafficseparationschemesB.ThelegalframeworkgoverningmaritimecollisionavoidanceC.AguidelinefordeterminingvesselprioritiesinportoperationsD.TheprotocolforflagstateinspectionsAnswer:BExplanation:"Ruleoftheroad"referstoCOLREGs,whichdictatehowvesselsshouldnavigatetoavoidcollisions.OptionAdescribesTSSsystems.OptionCrelatestoportprocedures.OptionDconcernsvesselinspections.10.WhichofthefollowingisakeyrequirementundertheSafetyofLifeatSea(SOLAS)Conventionregardinglifeboats?A.LifeboatsmustbepaintedbrightyellowtomaximizevisibilityB.Alllifeboatsmustbeequippedwithself-inflatingraftsasbackupC.LifeboatsmustbestoredinanaccessiblelocationandregularlytestedD.Lifeboatsmustcarryenoughprovisionsfora48-hoursurvivalscenarioAnswer:CExplanation:SOLASmandatesthatlifeboatsbereadilyaccessible,regularlyinspected,andmaintained.OptionAisincorrectbecauseSOLASspecifieswhiteororangecolors.OptionBandDarenotuniversalrequirements.11.Whatdoestheterm"bridge-to-bridge"communicationrefertoinmaritimeoperations?A.TheexchangeofmessagesbetweenthecaptainandcrewB.RadiocommunicationbetweenvesselsusingVHFchannelsC.TheprocessoftransferringcargobetweenshipsatseaD.ThecoordinationbetweenthebridgeandengineroomcrewsAnswer:BExplanation:"Bridge-to-bridge"communicationinvolvesVHFradioexchangesbetweenvesselsfornavigationandsafetypurposes.OptionAisgeneralcrewcommunication.OptionCiscargotransfer.OptionDisinternalshipcoordination.12.WhichofthefollowingisaprimaryfunctionoftheAutomaticIdentificationSystem(AIS)?A.TotrackthespeedofavesselusingradarsignalsB.Toprovidereal-timeweatherupdatestothebridgeC.Tobroadcastavessel'sidentity,position,andcoursetonearbyshipsD.ToregulatetheuseofVHFradiosinmaritimecommunicationAnswer:CExplanation:AIStransmitsvesseldata(MMSI,position,course,etc.)toothershipsandshorestations.OptionArelatestoradar.OptionBinvolvesweatherservices.OptionDconcernsradioregulations.13.Inamaritimeemergency,whatisthefirststepacaptainshouldtakewhenthevessel'spositionbecomesuncertain?A.ImmediatelychangecoursetothenearestportwithoutreportingB.RadioadistresscallanduseallavailablenavigationtoolstodeterminepositionC.FocusonrepairingthedamagedhullwhileignoringpositionreportingD.InformthecrewthatthesituationisundercontroltoavoidpanicAnswer:BExplanation:Inemergencies,reportingdistressandconfirmingpositionusingradar,GPS,andcelestialmethodsiscritical.OptionAdelayshelp.OptionCignoressafetyprotocols.OptionDisinappropriateduringacrisis.14.Whatdoestheterm"nauticalmile"representinmaritimemeasurement?A.Aunitofdistanceequalto1.852kilometersB.Ameasureofspeedequivalentto1knotperhourC.ThelengthofastandardmaritimeropeusedformooringD.AunitofareausedinportplanningAnswer:AExplanation:Anauticalmileisaunitofdistance(1minuteoflatitude),equalto1.852kilometersor1.15statutemiles.OptionBdescribesspeed(knots).OptionCreferstoropedimensions.OptionDisirrelevant.15.WhichofthefollowingisakeyrequirementundertheInternationalConventiononSalvage?A.SalvageoperatorsmustchargeafixedfeeregardlessofthesuccessrateB.ThesalvorisentitledtocompensationonlyifthesalvagedvesselisfullyrepairedC.SalvageeffortsmustbeconductedwithoutendangeringtheenvironmentD.AllsalvageoperationsmustbeapprovedbytheInternationalMaritimeOrganization(IMO)Answer:CExplanation:TheSalvageConventionemphasizesenvironmentalprotectionduringsalvageoperations.OptionAignoressalvagerewardsbasedonsuccess.OptionBisincorrectbecausecompensationmaybedueevenifrepairsarepartial.OptionDisnotarequirement.16.Whatdoestheterm"rightofway"meaninCOLREGsforvesselsinhead-onsituations?A.ThevesselontheportsidehastherightofwayB.BothvesselsmustaltercoursetostarboardtoavoidcollisionC.ThevesselonthestarboardsidemustkeepoutofthewayD.ThefastervesselalwayshastherightofwayAnswer:CExplanation:Inhead-onsituations,COLREGsstatethatthevesselonthestarboardside(right)mustgiveway.OptionAisforcrossingsituations.OptionBisincorrect;onevesselmustalter.OptionDisunrelatedtoCOLREGs.17.WhichofthefollowingisaprimarypurposeoftheInternationalConventionforthePreventionofPollutionfromShips(MARPOL)?A.ToregulatethemaximumdraftofcommercialvesselsinshallowwatersB.TosetstandardsforvesselnoisepollutioninmarineenvironmentsC.ToprohibitthedischargeofoilandnoxiousliquidsubstancesatseaD.ToestablishrequirementsforshipwreckremovalAnswer:CExplanation:MARPOLaimstominimizepollutionfromships,particularlyoilandnoxioussubstances.OptionArelatestonavigation.OptionBisnotaprimaryfocus.OptionDconcernsshipremovalprotocols.18.Whatdoestheterm"bridgeteam"refertoinmaritimeoperations?A.AgroupofengineersworkingintheengineroomB.ThecrewmembersassignedtothebridgefornavigationC.AteamofinspectorsconductingvesselsurveysD.ThepersonnelresponsibleforcargohandlingAnswer:BExplanation:A"bridgeteam"consistsofofficersandcrewmanagingnavigation,communication,andsafetyfromthebridge.OptionAisengineroomstaff.OptionCissurveyors.OptionDiscargohandlers.19.WhichofthefollowingisakeyrequirementundertheSafetyofLifeatSea(SOLAS)Conventionregardingliferafts?A.LiferaftsmustbepaintedbrightredtodistinguishthemfromlifeboatsB.AllliferaftsmustbeequippedwithemergencybeaconsC.LiferaftsmustbestoredinthesamelocationaslifeboatsD.Liferaftsmustcarrymedicalsuppliesonlyiftheshipcarriesmorethan500passengersAnswer:BExplanation:SOLASmandatesthatliferaftsbeequippedwithEPIRBs(emergencyposition-indicatingradiobeacons)forlocationtracking.OptionAisincorrect;SOLASspecifiesorangeorredcolors.OptionCisirrelevanttostoragerequirements.OptionDisnotarequirement.20.Whatdoestheterm"tide-swell"refertoinmaritimenavigation?A.TheverticalriseofwaterduetotidalforcesB.ThehorizontalmovementofwatercausedbywindC.Thecombinedeffectoftidalcurrentsandwind-drivencurrentsD.TheperiodwhentidalcurrentsareweakestAnswer:CExplanation:"Tide-swell"describesthecombinedimpactoftidalandwind-drivencurrentsonwatermovement.OptionAistidalrisealone.OptionBiswind-drivencurrent.OptionDisunrelated.二、多项选择题（共20题，每题1分，总分20分）1.WhichofthefollowingarekeyelementsoftheInternationalRegulationsforPreventingCollisionsatSea(COLREGs)?A.Right-of-wayrulesforvesselsincrossingsituationsB.SignalsforvesselsrestrictedintheirabilitytomaneuverC.RequirementsfortheuseofradarinnavigationD.GuidelinesforvesselspeedinnarrowchannelsAnswer:A,B,DExplanation:COLREGscoverright-of-way(A),signalsforrestrictedvessels(B),andspeedregulationsinconfinedwaters(D).OptionCisnotaCOLREGsrequirement;radaruseisoperational,notregulatory.2.WhataretheprimarypurposesoftheSafetyofLifeatSea(SOLAS)Convention?A.TostandardizemaritimesafetyequipmentlikeliferaftsandlifeboatsB.ToregulatethemaximumallowabledraftofcommercialvesselsC.ToestablishrequirementsforcrewtrainingandcertificationD.ToprohibittheuseofsyntheticropesoncommercialvesselsAnswer:A,CExplanation:SOLASsetsstandardsforsafetyequipment(A)andcrewqualifications(C).OptionBrelatestohydrostatics,notSOLAS.OptionDisirrelevanttoSOLAS.3.Whichofthefollowingarekeycomponentsofamaritimedistresscall?A.Thevessel'snameandpositionB.Thenatureoftheemergency(e.g.,fire,collision)C.ThetimeoftheincidentD.ThetypeofassistancerequiredAnswer:A,B,C,DExplanation:Adistresscallmustincludeallthesedetailstoensureeffectiveresponse.4.WhataretheprimaryfunctionsoftheAutomaticIdentificationSystem(AIS)?A.Tobroadcastavessel'sidentityandpositionB.Toprovidereal-timeweatherupdatestonearbyshipsC.TofacilitatecommunicationbetweenvesselsusingVHFD.TotrackthespeedandcourseofothershipsAnswer:A,DExplanation:AIStransmitsvesseldata(A)andtracksotherships(D).OptionBisweather-related,andoptionCinvolvesVHFcommunication,whichisnotAIS'sprimaryrole.5.WhichofthefollowingarekeyrequirementsundertheInternationalConventiononSalvage?A.ThesalvorisentitledtocompensationbasedonthesuccessofsalvageoperationsB.SalvageeffortsmustnotendangertheenvironmentC.SalvageoperationsmustbeconductedonlyduringdaylighthoursD.ThesalvagedvesselmustpayafixedsalvagefeeregardlessoftheoutcomeAnswer:A,BExplanation:TheSalvageConventionallowscompensationforsuccessfulsalvage(A)andmandatesenvironmentalprotection(B).OptionsCandDareincorrect.6.Whatarethekeyelementsofamaritimesafetymanagementsystem(SMS)?A.RiskassessmentandhazardidentificationB.ImplementationofsafetyproceduresandemergencyplansC.RegulartraininganddrillsforcrewmembersD.CertificationofthevesselbyaclassificationsocietyAnswer:A,B,CExplanation:AnSMSincludesriskmanagement(A),proceduralimplementation(B),andcrewtraining(C).OptionDisunrelatedtoSMS.7.Whichofthefollowingaretypesoflife-savingequipmentrequiredunderSOLAS?A.LifeboatsB.LiferaftsC.LifejacketsD.Emergencybeacons(EPIRBs)Answer:A,B,C,DExplanation:SOLASmandatesalltheseequipmenttypesforsurvivalatsea.8.WhatarethekeyprinciplesofCOLREGsforcollisionavoidance?A.Give-wayandstand-onrulesforvesselsincrossingsituationsB.Rulesforvesselsinhead-onsituationsC.SignalsforvesselsrestrictedintheirabilitytomaneuverD.GuidelinesforvesselspeedinrestrictedwatersAnswer:A,B,C,DExplanation:COLREGscoveralltheseprinciplesforsafenavigation.9.WhichofthefollowingarekeyprovisionsoftheInternationalConventionforthePreventionofPollutionfromShips(MARPOL)?A.RegulationsforthedischargeofoilandnoxiousliquidsubstancesB.RequirementsforballastwatertreatmentsystemsC.RestrictionsontheuseofheavyfueloilincertainareasD.GuidelinesforthedisposalofgarbageatseaAnswer:A,B,C,DExplanation:MARPOLcoversallthesepollutionpreventionmeasures.10.Whatarethekeyelementsofamaritimeemergencyplan?A.ProceduresforabandoningshipB.CommunicationprotocolsfordistresscallsC.ActionstotakeincaseoffireonboardD.StepsforcargosecuringinemergenciesAnswer:A,B,C,DExplanation:Anemergencyplanmustaddressallthesescenarios.11.Whichofthefollowingaretypesofnavigationlightsrequiredonvessels?A.Sidelights(redandgreen)B.Sternlight(white)C.All-aroundwhitelight(onthemast)D.FlashinglightsforrestrictedvesselsAnswer:A,B,C,DExplanation:COLREGsmandatealltheselightsforvesselidentification.12.WhatarethekeyfunctionsoftheInternationalMaritimeOrganization(IMO)?A.DevelopinginternationalmaritimeconventionsB.RegulatingshippingsafetyandenvironmentalprotectionC.OverseeingtheimplementationofMARPOLandSOLASD.ConductinginspectionsofcommercialvesselsAnswer:A,B,CExplanation:TheIMOsetsstandards(A,B,C)butdoesnotconductvesselinspections(D).13.WhichofthefollowingaretypesofdistresssignalsundertheInternationalConventionforSafetyofLifeatSea(SOLAS)?A.Radiodistresscalls(e.g.,"MAYDAY")B.Visualdistresssignals(e.g.,flares,rockets)C.Soundsignals(e.g.,foghorns)D.旗语distresssignals(e.g.,flag"P")Answer:A,B,C,DExplanation:SOLASrecognizesallthesedistresssignals.14.Whatarethekeyelementsofabridgewatchkeepingsystem?A.ProperrestperiodsforbridgeofficersB.UseofnavigationtoolslikeradarandGPSC.CommunicationwithothervesselsandshorestationsD.MonitoringofweatherandseaconditionsAnswer:A,B,C,DExplanation:Effectivewatchkeepingincludesalltheseelements.15.WhichofthefollowingaretypesofcargohazardsundertheInternationalMaritimeDangerousGoods(IMDG)Code?A.ExplosivesB.GasesC.FlammableliquidsD.RadioactivematerialsAnswer:A,B,C,DExplanation:TheIMDGCoderegulatesallthesehazardouscargoclasses.16.WhatarethekeyfunctionsoftheInternationalConventiononSalvage?A.DeterminingsalvagecompensationbasedonsuccessB.RegulatingsalvageoperationstopreventenvironmentaldamageC.MandatingsalvageoperatorstohaveinsuranceD.ProhibitingsalvageincertaingeographicalareasAnswer:A,BExplanation:TheSalvageConventioncoverscompensation(A)andenvironmentalprotection(B).OptionsCandDarenotrequirements.17.Whichofthefollowingaretypesoflife-savingequipmentrequiredunderSOLAS?A.LifeboatsB.LiferaftsC.LifejacketsD.Emergencybeacons(EPIRBs)Answer:A,B,C,DExplanation:SOLASmandatesalltheseequipmenttypesforsurvivalatsea.18.WhatarethekeyprinciplesofCOLREGsforvesselnavigation?A.Right-of-wayrulesforvesselsinhead-onsituationsB.SignalsforvesselsrestrictedintheirabilitytomaneuverC.GuidelinesforvesselspeedinnarrowchannelsD.RulesforvesselsincrossingsituationsAnswer:A,B,C,DExplanation:COLREGscoverallthesenavigationprinciples.19.WhichofthefollowingarekeyprovisionsoftheInternationalConventionforthePreventionofPollutionfromShips(MARPOL)?A.RegulationsforthedischargeofoilandnoxiousliquidsubstancesB.RequirementsforballastwatertreatmentsystemsC.RestrictionsontheuseofheavyfueloilincertainareasD.GuidelinesforthedisposalofgarbageatseaAnswer:A,B,C,DExplanation:MARPOLcoversallthesepollutionpreventionmeasures.20.Whatarethekeyelementsofamaritimesafetymanagementsystem(SMS)?A.RiskassessmentandhazardidentificationB.ImplementationofsafetyproceduresandemergencyplansC.RegulartraininganddrillsforcrewmembersD.CertificationofthevesselbyaclassificationsocietyAnswer:A,B,CExplanation:AnSMSincludesriskmanagement(A),proceduralimplementation(B),andcrewtraining(C).OptionDisunrelatedtoSMS.三、判断题（共10题，每题2分，总分20分）1.Inahead-onsituationunderCOLREGs,thevesselonthestarboardsidemustgiveway.Answer:TrueExplanation:COLREGsstatethatthevesselonthestarboardside(right)mustaltercoursetoavoidtheothervessel.2.TheInternationalConventionforthePreventionofPollutionfromShips(MARPOL)prohibitsalldischargeofoilintothesea.Answer:FalseExplanation:MARPOLallowscontrolledoildischargeunderspecificconditions(e.g.,15ppmorless).3.Adistresscallmustincludethevessel'sname,position,andthenatureoftheemergency.Answer:TrueExplanation:SOLASrequiresallthesedetailsinadistresscallforeffectiveresponse.4.TheAutomaticIdentificationSystem(AIS)ismandatoryforallvesselsoperatingininternationalwaters.Answer:TrueExplanation:SOLASmandatesAISforvesselsaboveacertainsizeininternationaltraffic.5.Theterm"bridgeteam"referstotheengineeringcrewworkingintheengineroom.Answer:FalseExplanation:A"bridgeteam"consistsofofficersandcrewmanagingnavigationfromthebridge.6.TheInternationalConventiononSalvageallowsthesalvortoclaimcompensationevenifthesalvagedvesselisnotfullyrepaired.Answer:TrueExplanation:Salvagerewarddependsonthesuccessoftheoperation,notfullrepair.7.TheSafetyofLifeatSea(SOLAS)Conventionrequiresliferaftstobeequippedwithemergencybeacons.Answer:TrueExplanation:SOLASmandatesEPIRBsforliferaftstoaidsearchandrescue.8.Theterm"tide-swell"referstothehorizontalmovementofwatercausedbywind.Answer:FalseExplanation:"Tide-swell"isthecombinedeffectoftidalandwind-drivencurrents.9.TheInternationalRegulationsforPreventingCollisionsatSea(COLREGs)requirevesselstouseradarexclusivelyfornavigation.Answer:FalseExplanation:COLREGsdonotmandateradaruse;itisoperational,notregulatory.10.TheInternationalMaritimeOrganization(IMO)conductsinspectionsofcommercialvesselstoensurecompliancewithinternationalstandards.Answer:TrueExplanation:TheIMOoverseesimplementationofconventions,includingvesselinspections.四、简答题（共8题，每题2分，总分16分）1.Explainthedifferencebetween"deadreckoning"and"celestialnavigation"inmaritimepositioning.Answer:Deadreckoningestimatesavessel'spositionbyadvancingaknownpositionthroughspeed,time,anddirection,usingtoolslikelogsandcompasses.Celestialnavigationdeterminespositionbyobservingcelestialbodies(e.g.,stars,sun)usinginstrumentslikesextants.Deadreckoningisapproximateandpronetoerror,whilecelestialnavigationismoreaccuratebutrequiresspecializedequipmentandknowledge.2.Whatarethekeystepsacaptainshouldtakewhenavesselencountersfog?Answer:-Reducespeedtomaintaincontrol.-Useradar,AIS,andsoundsignalstodetectothervesselsandobstructions.-Maintainasharplookoutandcommunicatewithnearbyships.-FollowCOLREGsfornavigationinlowvisibility.3.DescribetheprimarypurposeoftheInternationalConventionforthePreventionofPollutionfromShips(MARPOL).Answer:MARPOLaimstominimizepollutionfromshipsbyregulatingwastedisposal,oilandchemicaldischarge,ballastwater,andgarbage.Itpromotesenvironmentalprotectionthroughstrictstandardsandenforcement.4.WhatarethekeyelementsofamaritimedistresscallunderSOLAS?Answer:-Vessel'snameandcallsign.-Positionandcourse.-Natureoftheemergency(e.g.,fire,collision).-Timeoftheincident.-Assistancerequired.5.Explaintheconceptof"give-way"and"stand-on"inCOLREGsforvesselnavigation.Answer:-"Give-way"vesselmusttakeearlyandsubstantialactiontokeepclearofthe"stand-on"vessel.-Incrossingsituations,thevesselcrossinggivesway.Inhead-onsituations,onevesselgivesway.6.WhataretheprimaryfunctionsoftheAutomaticIdentificationSystem(AIS)?Answer:-Broadcastsvesselidentity,position,course,andspeedtoothershipsandshorestations.-Facilitatescollisionavoidancebysharingdynamicinformation.-Tracksvesselmovementsfortrafficmonitoring.7.DescribethekeyrequirementsundertheSafetyofLifeatSea(SOLAS)Conventionregardinglifeboats.Answer:-Lifeboatsmustbereadilyaccessibleandregularlytested.-Theymustbeequippedwithcommunicationtools(e.g.,VHF).-Capacitymustmatchthecrewandpassengers.8.Whatarethekeyprinciplesofamaritimesafetymanagementsystem(SMS)?Answer:-Riskassessmentandhazardidentification.-Implementationofsafetyproceduresandemergencyplans.-Regulartraininganddrillsforcrewmembers.-Continuousimprovementofsafetypractices.五、应用题（共8题，每题4分，总分32分）1.CaseStudy:Avesselisnavigatinginfogwhenitdetectsanothershiponradar.Theothershipisonthestarboardsideandmovingatasteadyspeed.WhatactionsshouldthecaptaintakeaccordingtoCOLREGs?Answer:-Thevesselonthestarboardside(othership)mustgiveway.-Thecaptainshouldreducespeedandmaintainasafedistance.-Iftheothershipdoesnotaltercourse,thecaptainmusttakeearlyactiontoavoidcollision.-CommunicationviaVHFshouldbemaintainedtoclarifyintentions.2.Scenario:Avesselisloadingcargoinportwhenafirebreaksoutintheengineroom.Whataretheimmediatestepsthecaptainshouldtake?Answer:-Soundthefirealarmandnotifythecrew.-Evacuatetheengineroomifnecessary.-Useappropriateextinguishers(e.g.,CO₂forelectricalfires).-Notifytheportauthorityandothervessels.3.Problem:Avesselisenteringaharborwithanarrowchannel.Thechannelismarkedwithbuoys,butth