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1、GMDSS英語閱讀500題單選題一第三部份英語閱讀單項選擇題1.IMOhasdecidedthatallshipsover300TGtmustbefittedwithaNAVTEXreceiver______.A.by01Feb1992B.by01Aug1993C.between01Feb199201Feb1999D.befe01Feb19922.GMDSSistoprovide______withreliablecommunicati

2、on.A.alllargepassengervesselsB.freightersofmethan300gtincoastalwatersC.allpassengershipscargoshipsengagedininternationalvoyagesD.allpassengershipscargoshipsof300gtupwardsinopensea3.Thecomplyingvesselscantransmitshiptoshe

3、distressalertsbyatleast______.A.OnemeanswhethersatelliteterrestrialtechniquesB.TwomeanswhethersatelliteterrestrialtechniquesC.TwoseparateindependentmeanseachusingdifferentradiocommunicationservicesD.TwomeanssuchasMFDSCHF

4、DSC4.Thequalityofthemessagecanbeaffectedby______.A.climateB.sunshineC.humanbeingsD.bothab5.Withinthepolarareasitis______toseeasatelliteingeostationarybit.A.impossibleB.possibleC.easyD.difficult6.TheInmarsatsystemisopenfu

5、seby______countriesonanondiscriminatybasis.A.someB.lotsofC.manyD.all7.WiththehelpofGMDSS______canbealertedtoadistressincidentassoonaspossible.A.allshipsinalargeseaareaB.onlytheseaauthitiesasheC.theSARunitsasheatseaD.thep

6、tradiosthecoaststations8.InareascoveredbyInmarsatHFcanbeusedasan______tosatellitecommunications.A.alternationB.alternateC.alterD.alternative9.WhenreceivingadistressalerttheSARauthitiesashetheshipsinthevicinityoftheshipin

7、distresswill______inacodinatedsearchrescueoperationwiththeminimumdelay.A.assistB.sendarescuevesselC.searchthedistressareaD.reachthedistresspositionatonceB.inanyradiosystematanytimeC.whenoneshipsendsamessagetoanotherstati

8、onD.fcommunicationamongsomestations20.WhatinfmationwilladistressalertcontainA.natureofdistressB.typeofassistancerequiredC.coursespeedtimeatwhichtheinfmationwasrecdedD.ABCareallright21.Aradiodeterminationsystembasedonthec

9、omparisonofreferencesignalswithradiosignalsreflectedretransmittedfromthepositiontobedeterminedis______.A.DFB.RadarSystemC.DSCSystemD.COSPASSARSAT22.Withthehelpofmoderntechnologyshipsareabletoreceiveautomatedbroadcastofsa

10、fetymessages______.A.bydayatnightB.almostroundtheclockC.somewhatsometimeD.fromsunrisesunset23.TheWWNWSisacodinatedglobalservicefthebroadcastbyradioofvitalinfmationon______tomarinenavigation.A.ship’smovementB.safetyC.ship

11、’smanagementD.hazards24.distressalertswillberelayedonthe______whentheRCCconsidersitnecessary.A.dedicatedsystemB.MSIbroadcastsC.518KHZD.channel1625.Thefrequency518KHZwillbeusedtotransmit____________waningsinNAVTEX.A.navig

12、ationaltyphoonB.trafficmeteologicalC.marinehurricaneD.navigationalmeteological26.ItispossiblefshipstoreceivesafetymessagetransmittedbyNavtexstation______.A.inanyINMARSATregionsB.ineachNAVTEXareaC.atanydistanceD.inAreasA3

13、A427.ANavtexstationineachNAVAREAisusuallyallowedtohave______ftransmission.A.10minutesevery4hoursB.halfanhoureveryotherhourC.irregularperiodoftimeD.5minuteseverytwohours28.ThedifferencebetweeninternationalnationalNavtexSe

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