GMDSS英语阅读500题单选题

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1、http://www.crewcn.comGMDSS英语阅读500题单选题单项选择题5.Withinthepolarareasitis______toseeaestablished?1.IMOhasdecidedthatallshipsover300TGtmustsatelliteingeo-stationaryorbit.A.1980B.1981C.1979D.1982befittedwithaNAVTEXreceiver______.A.impossibleB.possibleC.easyD.11.Itisquite______foranSESoperato

2、rtosendaA.by01Feb1992B.by01Augdifficultdistressalert.19936.TheInmarsatsystemisopenforuseby______A.easyandexpensiveB.simpleandcertainC.between01Feb1992and01Feb1999D.beforecountriesonanon-discriminatorybasis.C.dangerousandstableD.difficultand01Feb1992A.someB.lotsofC.manyD.compulsory2.G

3、MDSSistoprovide______withreliableall12.AnyshipsfittedwithSEScan______andcommunication.7.WiththehelpofGMDSS______canbealertedto_______throughthesatellitesystemwhensendingaA.alllargepassengervesselsadistressincidentassoonaspossible.distressalert.B.freightersofmorethan300gtincoastalwate

4、rsA.allshipsinalargeseaareaB.onlytheseaA.enterthesystem/contactanRCCC.allpassengershipsandcargoshipsengagedinauthoritiesashoreB.accesstoINMARSAT/establishcontactwithaCESinternational-voyagesC.theSARunitsashoreandatseaD.theportC.haveabsoluteprioritytoenterthesystem/makecontactD.allpas

5、sengershipsandcargoshipsof300gtupwardsinradiosandthecoaststationswithaCESopensea8.InareascoveredbyInmarsatHFcanbeusedasD.enterthesystemgradually/waitforrescue3.Thecomplyingvesselscantransmitship-to-shorean______tosatellitecommunications.13.What‟stheadvantagewhenusingthesatellites?dis

6、tressalertsbyatleast______.A.alternationB.alternateC.alterD.A.ThemessagecanbedirectedtothedesiredlocationA.Onemeans,whethersatelliteorterrestrialtechniquesalternativeB.Themessagecanfollowtheearth‟scurvatureB.Twomeans,whethersatelliteorterrestrialtechniques9.Whenreceivingadistressaler

7、t,theSARC.ThequalityofmessagecannotbeaffectedbyclimaticC.Twoseparateandindependentmeans,eachusingauthoritiesashoreandtheshipsinthevicinityoftheshipinD.TherangeofthemessageextendandthequalityofdifferentradiocommunicationservicesD.Twomeans,distresswill______inacoordinatedsearchandrescu

8、ereceptionis