GMDSS通信英语题库500题.docx
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GMDSS通信英语题库500题.docx
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GMDSS通信英语题库500题
GMDSS英语阅读500题单选题一
第三部份 英语阅读
单项选择题
1. IMOhasdecidedthatallshipsover300TGtmustbefittedwithaNAVTEXreceiver______.
A.by01Feb1992 B.by01Aug1993
C.between01Feb1992and01Feb1999 D.before01Feb1992
2. GMDSSistoprovide______withreliablecommunication.
A.alllargepassengervessels
B.freightersofmorethan300gtincoastalwaters
C.allpassengershipsandcargoshipsengagedininternational-voyages
D.allpassengershipsandcargoshipsof300gtupwardsinopensea
3. Thecomplyingvesselscantransmitship-to-shoredistressalertsbyatleast______.
A.Onemeans,whethersatelliteorterrestrialtechniques
B.Twomeans,whethersatelliteorterrestrialtechniques
C.Twoseparateandindependentmeans,eachusingdifferentradiocommunicationservices D.Twomeans,suchasMFDSCandHFDSC
4. Thequalityofthemessagecanbeaffectedby______.
A.climate B.sunshine C.humanbeings D.bothaandb
5. Withinthepolarareasitis______toseeasatelliteingeo-stationaryorbit.
A.impossible B.possible C.easy D.difficult
6. TheInmarsatsystemisopenforuseby______countriesonanon-discriminatorybasis.
A.some B.lotsof C.many D.all
7. WiththehelpofGMDSS______canbealertedtoadistressincidentassoonaspossible.
A.allshipsinalargeseaarea B.onlytheseaauthoritiesashore
C.theSARunitsashoreandatsea D.theportradiosandthecoaststations
8. InareascoveredbyInmarsatHFcanbeusedasan______tosatellitecommunications.
A.alternation B.alternate C.alter D.alternative
9. Whenreceivingadistressalert,theSARauthoritiesashoreandtheshipsinthevicinityoftheshipindistresswill______inacoordinatedsearchandrescueoperationwiththeminimumdelay.
A.assist B.sendarescuevessel
C.searchthedistressarea D.reachthedistresspositionatonce
10. InwhichyearwastheCOSPAS-SARSATsystemestablished?
A.1980 B.1981 C.1979 D.1982
11. Itisquite______foranSESoperatortosendadistressalert.
A.easyandexpensive B.simpleandcertain
C.dangerousandstable D.difficultandcompulsory
12. AnyshipsfittedwithSEScan______and_______throughthesatellitesystemwhensendingadistressalert.
A.enterthesystem/contactanRCC
B.accesstoINMARSAT/establishcontactwithaCES
C.haveabsoluteprioritytoenterthesystem/makecontactwithaCES
D.enterthesystemgradually/waitforrescue
13. What’stheadvantagewhenusingthesatellites?
A.Themessagecanbedirectedtothedesiredlocation
B.Themessagecanfollowtheearth’scurvature
C.Thequalityofmessagecannotbeaffectedbyclimatic
D.Therangeofthemessageextendandthequalityofreceptionisimproved
14. TheDSCfrequencyfordistressalertinginAreaA2is______.
A.2182KHZ B.2174.5KHZ C.2192KHZ D.2187.5KHZ
15. Whatchannelisgeneralcommunicationused?
A.anyappropriatechannelexceptpubliccommunication
B.anyappropriatechannelexceptforpubliccommunications
C.anyappropriatechannelbesidespubliccommunication
D.anyappropriatechannelbesidepubliccommunication
16. whydosomestationskeepsilence?
A.Becausetheyarenotengagedinthedistresstraffic
B.theywillaffectthetransmissionofthedistresstraffic
C.Thepowersofthesestationsareveryweak
D.Theyarenotinchargeofsearchandrescue
17. Generalradiocommunicationsintheglobalsystemarethosebetween______concerningthemanagementandoperationoftheshipsandmayhaveimpactontheirsafety.
A.SARpartyandtheshipindistress
B.SARauthoritiesandtheshipindistressandsurvivalcraft
C.Ashipstationandanycoaststation
D.Shipstationsandshore-basedcommunicationnetwork
18. Itisrequiredthatshipsproceedingatseashouldkeepcontinuouswatchon______.
A.VHFchannels16and13 B.AppropriateDSCdistressandsafetyfrequencies C.INMARSATTDMmessagechannel D.VHFchannel70andchannel8
19.TheARQmodeshouldbeapplied______.
A.whentwostationscommunicatewitheachother
B.inanyradiosystemandatanytime
C.whenoneshipsendsamessagetoanotherstation
D.forcommunicationamongsomestations
20.Whatinformationwilladistressalertcontain?
A.natureofdistress
B.typeofassistancerequired
C.courseandspeedandtimeatwhichtheinformationwasrecorded
D.A,B,Careallright
21.Aradiodeterminationsystembasedonthecomparisonofreferencesignalswithradiosignalsreflected,orretransmittedfromthepositiontobedetermined,is______.
A.DF B.RadarSystem C.DSCSystem D.COSPAS-SARSAT
22.Withthehelpofmoderntechnology,shipsareabletoreceiveautomatedbroadcastofsafetymessages______.
A.bydayoratnight B.almostroundtheclock
C.somewhatandsometime D.fromsunriseandsunset
23.TheWWNWSisacoordinatedglobalserviceforthebroadcastbyradioofvitalinformationon______tomarinenavigation.
A.ship’smovement B.safety C.ship’smanagement D.hazards
24.distressalertswillberelayedonthe______whentheRCCconsidersitnecessary.
A.dedicatedsystem B.MSIbroadcasts C.518KHZ D.channel16
25.Thefrequency518KHZwillbeusedtotransmit______and______waningsinNAVTEX.
A.navigational/typhoon B.traffic/meteorological
C.marine/hurricane D.navigational/meteorological
26.ItispossibleforshipstoreceivesafetymessagetransmittedbyNavtexstation______.
A.inanyINMARSATregions B.ineachNAVTEXarea
C.atanydistance D.inAreasA3andA4
27.ANavtexstationineachNAVAREAisusuallyallowedtohave______fortransmission.
A.10minutesevery4hours B.halfanhoureveryotherhour
C.irregularperiodoftime D.5minuteseverytwohours
28.ThedifferencebetweeninternationalandnationalNavtexServiceislimitedto______.
A.frequencyallocated B.bothlanguageandfrequency
C.languageused D.transmissionpowerandtime
29.Navtextransmitteridentificationcharacter______isusedtoidentifythebroadcastswhicharetobeacceptedbythereceiverandthosearetoberejected.
A.B2 B.B1 C.MAR D.NNN
30.ThereceivingstationscanusetheB2characterto______different,classesofmessages.
A.identify B.Correct C.Reject D.Printout
31.IfEGCreceiversharesasameantennawithInmarsatSES,itmeansthatitcanreceiveMSI______.
A.fromanyInmarsatsatellite B.fromanyappropriateNavtexandEGCstation
C.viathesatellitetheSESistracking D.fromanyRCCandcoaststation
32.WhyshouldtheSESoperatorsbeverycarefulwhentheshipenterstheareawherethreeoceanregionsoverlap?
Because______.
A.theweatherisalwaysterrible
B.theconditionthereiscomplicated
C.thesignalsaretoostrong
D.theirSESmayreceivethesignalsfromunwantedsatellite
33.TheestablishmentofINMARSATasanindependentorganizationmarkedagreatstepforwardformaritimeradiocommunications.Whatdoes“markedagreatstep”meaninthesentence?
A.Torunfasterthanever B.Togoforward C.Tomarchwithoutstopping
D.Asignificantsymbolofagreatimprovementinmaritimecommunication.
34.InadditiontomeetingtherequirementofSeaareaA1,everyshipengagedonvoyageinSeaareaA2shallbeprovidedwith______.
A.MFradioinstallationwithDSC B.SES
C.MF/HFradiotelephoneinstallation D.2187.5KHZwatchreceiver
35.______isaspacesystemusingoneormoremoreartificialearthsatellites.
A.satellitenetwork B.SatelliteLink C.INMARSAT D.SatelliteSystem
36.Thesatellitesoverthemajoroceanregionscovertheglobe______.
二
A.besidesthepolarregions B.includingtheNorthPoleandtheSouthPole
C.above70Nandbelow70S D.asfarnorthandsouth70
37.Therearesomeback-upsatellitesintheeventoffailure.Iftheoperationalsatelliteisoutofwork,______.
A.communicationsinthewholesystemwillstop B.theglobalsystemwillbedamaged
C.theback-uponewilltakeitsplace D.thewholesystemwillnotwork
38.ThepositioniftheIORsatelliteintheINMARSATsystemis______abovetheequator.
A.64.5E B.178E C.15.5W D.54W
39.TheGMDSSdefinesfourseaareabasedonthe______.
A.locationandcapacityofthefacilitieslocatedonboardships
B.Positionandtypeofasinceresintion
C.Capacityandlocationofshorebasedcommunicationfacilities
D.Positionandcapacityofmobilecommunicationstations.
40.TheNCSofINMARSAT-AsystemintheIORisin______.
A.Goonhilly,UK B.Yamaguchi,Japan
C.Perth,Australia D.Southbury,USA
41.TheNetworkCoordinationstationfortheINMARSAT-AcoaststationsinthePacificoceanregionisin______.
A.Yamaguchi,Japan B.Beijing,China
C.Nakhodka,
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