航海英语合集题库.doc

精心整理航海英语烟囱是套管用于排气管的发动机1 isacasingusedforexhaustpipefromtheenginesA.Thefunnel烟囱B.ThemessroomC.ThegalleyD.Thesatelliteantenna人造卫星天线装置在塑料圆顶,用来预测天气.2 ishousedinaplasticdomeforweatherprotectionA.ThefunnelB.ThemessroomC.ThegalleyD.Thesatelliteantenna人造卫星天线厨房是制作美味食物的地方.3 iswheredeliciousfoodiscooked.A.ThefunnelB.ThemessroomC.Thegalley厨房D.Thesatelliteantenna食堂是全体船员用餐的地方4 iswherethecreweattheirmealsA.ThefunnelB.Themessroom食堂C.ThegalleyD.Thesatelliteantenna锚是用来固定停泊的船只在海底,使其不可移动.5 isusedtomoortheshiptotheseabedtokeepitstationary.A.ThebulbousbowB.Theanchor锚C.ThebowthrusterD.Thepropeller船鼻首是圆形水下部件,位于船前部,目的是制造更少的水摩擦力,使船只可以更易于移动.6 isaround-shapedunderwaterpartinthefrontoftheship.Thepurposeistocreatelessfrictionwithwatersothattheshipmovesmoreeasily.A.Thebulbousbow球鼻艏B.TheanchorC.ThebowthrusterD.Thepropeller船首推进器装置在船的前方,位于水下，从而缓和泊位或往斜方向操纵时速度减慢。7 isplacedinthefrontoftheshipunderthewater,whicheasesberthingormaneuveringsidewaysatlowspeed.A.ThebulbousbowB.TheanchorC.Thebowthruster船首推进器D.Thepropeller船上负全责的人是船长.他对整艘船负责,以及对船上的货物和全体船员的安全负责.8Themaninchargeofashipis_Heisresponsiblefortheship,hecargoandthesafetyofthecrew.A.TheChiefOfficerB.TheSecondOfficerC.ThirdOfficerD.Master船长大副是甲板部的首领。9 _istheheadoftheDeckDeepartmentA.TheChiefOfficer大副B.TheSecondOfficerC.ThirdOfficerD.Master这是集合站的标识.10Thisisthesign(Fig.1)for_A.embarkationstationB.emergencyexitC.musterstation集合站D.rescueboat在甲板上工作时应保持佩戴头盔.11 Youshouldalwayswear_whenworkingondeckA.helmet头盔B.slipperC.gogglesD.immersionsuits总长是船舶长度测量是从船的前后推导的重心极值点的长度12 _isthelengthoftheshipmeasuredfromextremepointsoftheshipforwardandaft.A.Lengthoverall总长B.AfterperpendicularC.AmidshipsD.Extremebreadth船中部是垂直线船前后之间的中间位.13 _isapointmidwaybetweentheforwardandtheafterperpendicular.A.lengthoverallB.AfterperpendicularC.Amidships船中部D.Extremebreadth最大宽度测量是在船中间和船外部的船壳边板,从一边到另一边.14 _measuredatmidshipsectionandtakenfromoutsideoftheshipssideshellplatingononesidetotheoutsideoftheshipssideshellplatingontheotherside.A.lengthoverallB.AfterperpendicularC.AmidshipsD.Extremebreadth最大宽度型宽的测量是在船中部,从船的内壳一边到另一边.15_measuredatmidshipsectionandtakenfrominsidetheshipssideshellononesidetoinsidetheshipssideshellontheotherside.A.lengthoverallB.Moldedbreadth型宽C.AmidshipsD.Extremebreadth最大吃水是从船的龙骨最低点到夏季载重线.16_istakenfromthelowermostpointofthekeeltosummerloadlineA.Extremedraft最大吃水B.MoldeddraftC.ExtremedepthD.Moldeddepth型吃水是在船中部测量,从基线到夏季载重线.17 _ismeasuredfromthebaselinetothesummerloadlineatthemidshipsection.A.ExtremedraftB.Moldeddraft型吃水C.ExtremedepthD.Moldeddepth最大深度是船只的深度,从船舷从上层甲板到龙骨的最低点.18_isthedepthofthevesselattheshipssidefromtheupperdecktothelowestpointofthekeel.A.ExtremedraftB.MoldeddraftC.Extremedepth最大深度D.Moldeddepth型深是在船腹侧面,从基线到上层甲板宽.19_isfrombaselinetotopoftheupperdeckbreadthattheshipssideamidshipsA.ExtremedraftB.MoldeddraftC.ExtremedepthD.Moldeddepth型深正顶部是甲板线,300mm长25mm宽,上沿与最高的不漏水的无缝舱面成直线。20 Rightatthetopis_.Itis300mmlongand25mmwidewithitsupperedgeinlinewiththeuppermostcontinuouswatertightdeckA.thedeckline甲板线B.PlimsolldiscC.PlimsolllineD.summerloadline甲板线下面垂直的是一个圈,圈的直径为300mm.叫作载重线标圈.21 Verticallybelowthedecklineisacirclewhoseoutsidediameteris300mm.Itiscalledthe_A.thedecklineB.Plimsolldisc载重线标圈C.PlimsolllineD.summerloadline一条水平线450mm长和25mm宽横切过载重线标圈,叫作载重线标志.22 Ahorizontalline450-mmlongand25-mmwidecutsthroughtheloadlinedisc.Itiscalledthe_A.thedecklineB.PlimsolldiscC.Plimsollline载重线标志.D.summerloadline当船在热带载重线区,且海水密度在1025,她不能承载多于船的上沿线,标有记号”T”处23 Whenashipisintropicalzoneandinseawaterofdensity1025,shemustnotloadtomorethantheupperedgeofthelinemarked_A.SB.TC.WD.F当船只在夏季载重线区,且海水密度在1025时,她不能承载多于上沿线标有”S”处.24 Whenashipisinsummerzoneandinseawaterofdensity1025,shemustnotloadtomorethantheupperedgeofthelinemarked_A.SB.TC.WD.F当船只在冬季区带,且海水密度在1025时,她不能承载多于上沿线标有”W”处.25 Whenashipisinwinterzoneandinseawaterofdensity1025,shemustnotloadtomorethantheupperedgeofthelinemarked_A.SB.TC.WD.F当水密度在1000,例如:在淡水区及夏季区,一艘船可能承载上至上沿线标有”F”处.26Whenthedensityofwateris1000,i.e.infreshwaterandinsummerzoneashipmayloaduptotheupperedgeofthelinemarked_A.SB.TC.WD.F最重要的部分是上层甲板,叫作前甲板.27Theforemostpartoftheupperdeckiscalledthe_.A.forecastle前甲板B.tweendeckC.hatchesD.peaktanks甲板间是中间甲板,在船的上层及内底部之间.28 The_istheintermediatedeckbetweenupperdeckandtheinsidebottomofthevesselA.forecastleB.tweendeck甲板间C.hatchesD.peaktanks进入货舱,可能会经过舱口29 Accesstoaholdcanbeobtainedthrough_A.forecastleB.tweendeckC.hatches舱口D.peaktanks船的最前和最后的空间是船的尖舱.30 Theforemostandaftermostspacesofthevesselarethe_A.forecastleB.tweendeckC.hatchesD.peaktanks尖舱.双层底舱提供力量和储存空间,用于燃料,润滑油,淡水,盐水(压舱物)及饮用水.31 _providesstrengthandstoragespaceforfuel,lubricatingoil,freshwater,salt(ballast)waterandpotablewaterA.Thedoublebottom双层底舱B.ThecofferdamC.ThenavigatingbridgeD.Superstructure储油罐之间的纵向及横向分隔间,用于防止液体从双层底部一面漏向另一面,叫作隔离舱.32 Longitudinal-andtransverseseparationsbetweenthetanks,whichareusedtopreventliquidsfromleakingfromonedoublebottomtanktotheotherarecalled_A.ThedoublebottomB.Thecofferdam隔离舱C.ThenavigatingbridgeD.Superstructure驾驶台包括舵手室,里面有控制室,以及存放图纸,舵手日志,及出版物的海图室,还有无线电室.33 _containsthewheelhousewiththecontrolstation,thechartroomwherecharts,pilotbooksandpublicationsarekept,andtheradioroom.A.ThedoublebottomB.ThecofferdamC.Thenavigatingbridge驾驶台D.Superstructure下列哪些设施是防护脸部和眼部的?34 Whichofthefollowingequipmentisforfaceandeyeprotection?A.SafetyhelmetsB.Gogglesandspectacles护目镜C.BreathingapparatusD.Gloves下列哪些设施是防护呼吸的?35 Whichofthefollowingequipmentisforrespiratoryprotection?A.SafetyhelmetsB.GogglesandspectaclesC.Breathingapparatus氧气呼吸器D.Gloves下列哪些设施是防护手和脚的?36 Whichofthefollowingequipmentisforhandandfootprotection?A.SafetyhelmetsB.GogglesandspectaclesC.BreathingapparatusD.Glovesandsafetyboots手套和安全靴下列哪些设施是防护身体的?37 Whichofthefollowingequipmentisforbodyprotection?A.SafetyhelmetsB.GogglesandspectaclesC.BreathingapparatusD.Safetysuits安全服下列哪些设施是防止溺亡的?38 Whichofthefollowingequipmentisforprotectionagainstdrowing?A.SafetyhelmetsB.Bouyanceaids浮力工具C.BreathingapparatusD.Immersionsuits下列哪些设施是防止体温下降的?39 Whichofthefollowingequipmentisforprotectionagainsthypothermia?A.SafetyhelmetsB.BouyanceaidsC.BreathingapparatusD.Immersionsuits保温服当操作或靠近移动机械时总应佩戴头盔40 Longhairshouldalwaysbecoveredby_whenworkingwithornearmovingmachineryA.ahelmet头盔B.safetycapC.anearplugD.facemask通常在手握粗糙或尖锐物体时应佩戴真皮手套41 _shouldgenerallybeusedforhandlingroughandsharpobjects.A.Heat-resistantglovesB.RubberglovesC.PVCglovesD.Leathergloves真皮手套胶质手套通常最好用在手持酸性，碱金属，不同类型的油，溶剂及普通化学品42 _shouldgenerallybestforhandlingacids,alkalis,varioustypeofoils,solventsandchemicalingeneral.A.Heat-resistantglovesB.RubberglovesC.PVCgloves胶质手套D.Leathergloves个人头顶(约两米处)作业，应一直佩戴安全背带，系上救生索，或其他止动装置43 Personnelworkingaloft(above2meters)shouldwear_orotherarrestingdeviceatalltimeA.asafetyharnesswithlifeline安全背带B.asafenetC.alifebuoyD.buoyancegarments在雷达天线附近着手工作前,官员有责任确保电源是关着的,警示标签应贴在桥上和机械的空白处.44Beforeworkiscommenced_,theofficerresponsibleshouldensurethatpowerisshutoffandwarningnoticespostedonthebridgeandinthemachineryspacesA.nearthewhistleB.onthefunnelC.inthevicinityofradioaerialsD.neartheradarscanner雷达天线在烟囱上着手工作前,官员有责任知会当班工程师,保证工作步骤是能尽量有效地减少蒸气,有害气体和怪味的排放45 Beforeworkiscommenced_,theofficerresponsibleshouldinformthedutyengineertoensurethatstepsaretakentoreduceasfaraspracticabletheemissionofsteam,harmfulgasesandfumesA.nearthewhistleB.onthefunnel在烟囱上C.inthevicinityofradioaerialsD.neartheradarscanner关于货物,下列哪种表述是正确的?46Whichofthefollowingstatementsconcerningcargoiscorrect?A.Cargosareanytypeofgoodstransportedbyanytypeofships.任何货物均能在任何船只上运载.B.Cargosareanytypeofgoodstransportedinbulk.C.CargosusuallyincludegoodstransportedinbulkandincontainersD.Cargosareanyusuallypackedincontainers.来自航运货物运费的利润,通常被称作”运费”,能保持商运船只的运作.47Theprofitfromthecarriageofcargo,whichisoftencalled_，keepsthemerchantshiprunningA.obligation+B.Freight运费C.contractD.delivery船公司应有责任根据正常实际情况来装载,处理,堆装,运输,保管,照顾货物及卸货.48 _shouldberesponsibleforloading,handling,stowing,carrying,keeping,caringforanddischargingthegoodscarriedaccordingtothenormalpractice.A.TheshipownersB.TheshippersC.Thecarriers船公司D.Theshipsofficers关于普通货物,下列陈述哪一种是非正确的49Whichofthefollowingstatementsaboutgeneralcargoesisnotcorrect?A.GeneralcargoesareneitherliquidnorsolidbulkcargoB.Generalcargoesarepackedhazardouscargoes.普通货物被包装成有害货物.+C.Generalcargoesarealsocalledbreakbulkcargoes.D.Generalcargoesaremostlycarriedoncontainershipsnow.原材料属于无害货物.50 Rawmaterialsbelongto_A.hazardouscargoB.non-hazardouscargo原材料C.foodproductD.consumableproduct当在船上装载或卸载包装好的货物时,辅助带通常习惯用来提升或拉拽已包装货物。51 Whenloadingorunloadingbaledcargoonboard,thetraps_toliftordragthebales.A.areforbiddenB.areallowedC.canbeusedD.areusuallyused通常习惯工具与乐器属于电镀成品。52 Toolsandinstrumentsbelongto_A.rawmaterialsB.consumableproductsC.finishedmetallicproducts电镀成品D.rawmetallicproducts锅炉与汽缸是大件的制成品。53 Boilersandcylindersare_.A.rawmetallicproductsB.finishedmetallicproductsC.consumableproductsD.manufacturedgoodsoflargesize大件的制成品。易碎物及贵重物品易于被偷盗，或可能由于处理欠妥当及堆放物而导致破损。54 _areabletobestolen,pilferedormaybedamagedduetoimproperhandlingorstowageA.fragileorexpensivecargoes易碎物及贵重物品B.rawmaterialsC.finishedmetallicproductsD.manufacturedgoodsoflargesize有害货物的包装细节，标识及积载提供国际海运危险品编码55 Detailsaboutthepacking,markingandstowingof_aregivenintheInternationalMaritimeDengerousGoods(IMDG)Code.A.generalcargoesB.drybulkcargoes（干散货）C.hazardouscargoes有害货物D.containerizedcargoes（集装箱货）一艘船被认为纵摇,是当船首和船尾是随即将来临的海浪的升降而形成的56.Ashipissaidtobe_whenthebowandsternriseandfallwiththeoncomingwaves.A.rollingB.pitching纵摇C.heavingD.swaying一艘船在被认为有横向摇动,是当整艘船从左舷到右舷移动时.57 Ashipissaidtobe_whenthewholeshipmovesbodilytoportandthentostarboard.A.rolling（横摇）B.pitchingC.heaving（纵荡）D.swaying横向摇动1海里是指一个大圆圈的弧度,一分绕地球中心对应处.581nauticalmileisthelengthofanarcofagreatcirclewhichsubtendsanangleof_atthecentreoftheEarth.A.1degree（度）B.1minute一分C.1second（秒）D.1.5degree在海上,速度是以节/小时测量,一节等于每小时一海里.59 Atsea,speedismeasuredinknots.1knotequals_A.1nauticalmileperhour每小时一海里B.1kilometerperhour（每小时1公里）C.1nauticalmileperminuteD.1kilometerperminute（每分钟1公里）压舵是指制止船首在转向中偏移.60 _meanschecktheswingofthevesselsheadtoinaturnA.SteadyB.Meether压舵C.MidshipsD.Stopengines（停车）正舵是指舵在首尾线位置被控制.61 _meansruddertobeheldintheforeandaftpositionA.SteadyB.MeetherC.Midships正舵D.Stopengines航海六分仪是用于测量水平和垂直角度的.62 _isusedformeasuringhorizontalandverticalangles.A.Themarinesextant航海六分仪B.ThechronometerC.ThemagneticcompassD.Thegyrocompass航行表是船只的航海计时器.63 _isthenavigationaltimekeeperofthevessel.A.ThemarinesextantB.Thechronometer天文钟C.ThemagneticcompassD.Thegyrocompass回音测探器是从船底部发无线电信号到海床有反射处64 _sendsaradiosignalfromthebottomoftheshiptothesea-bed,fromwhichitisreflected.A.ThemarinesextantB.ThechronometerC.Theechorsounder回音测探器D.Theradar雷达是一个设施,用来检测船只,救生圈,海岸及许多其他目标的出现,并获取距离及以罗盘测出这些目标的方位.65 _isaequipmenttousedtodetectthepresenceofships,buoys,coatsandmanyothertargetsandtoobtainrangeandbearingofthesetargets.A.ThemarinesextantB.ThechronometerC.TheechorsounderD.Theradar雷达方位仪是无线电接收器,具有感觉前来的电波方位的能力.66 _isaradioreceiverwithabilitytosensedirectionoftheincomingradiowaves.A.TheechorsounderB.TheradarC.ThecourserecorderD.Thedirectionfinder方位仪航向记录器能以描图纸尽快地在船上提供操舵航向.67 _providesapapertraceofcoursesteeredbythevesselagainsttimeA.TheechorsounderB.TheradarC.Thecourserecordert航向记录器D.Thedirectionfinder数字选择呼叫是用来呼叫和回应,及传送通知对方已收到信息及选择呼叫遇险警报.68 _isusedforcallingandreplying,andfortransmittingacknowledgingandrelayingdistressalerts.A.NAVETEXreceiverB.SearchandRescueTransponderC.EmergencyPositionIndicatingRadioBeaconD.Digitalselectivecalling数字选择呼搜救雷达应答器是用来从救生船上提供导航信号,以9千兆赫雷达来探测.69 _isusedforprovidinghomingsignalsfromsurvivalcraftfordetectionby9GHzradar.A.NAVETEXreceiverB.SearchandRescueTransponder搜救雷达应答器C.EmergencyPositionIndicatingRadioBeaconD.Digitalselectivecalling航海短信接收器是接收并自动打印海上安全信息的.70 _isusedforreceivingmaritimesafetyinformationwhichisautomaticallyprintedbythereceiver.A.NAVETEXreceiver航海短信接收器B.SearchandRescueTransponderC.EmergencyPositionIndicatingRadioBeaconD.Digitalselectivecalling第6频道可用于船对船的海上搜救.71 _maybeusedship-to-shipforSARoperationsA.Channel6第6频道B.Channel13C.Channel16D.Channel70第13频道用于船到船航行的安全.72 _isusedforsafetyofnavigationship-to-shipA.Channel6B.Channel13第13频道C.Channel16D.Channel7016频道用于危难及紧急通信,并可能用于飞机的安全目的.73 _maybeusedfordistressandemergencytrafficandmaybeusedbyaircraftforsafetypurposeA.Channel6B.Channel13C.Channel1616频道D.Channel70湿度是指空气中水气的数量.74 _referstotheamountofwatervapourintheairA.Humidity湿度B.TemperatureC.PercipitationD.Wind降雨是由云中的雨滴或冰晶变得足够大降落到地面.75 _isformedwhenthedropletsoricecrystalsincloudshavebecomesufficientlylargetofalltothegroundA.HumidityB.TemperatureC.Percipitation降雨D.Wind上升云层是预示着天气将会晴朗.76_isanindicationthattheweatherisabouttoclearA.Risingclouds上升云层B.LoweringcloudsC.ThickeningcloudsD.Scatteringclouds“Alto”代表高.77 “Alto”standsfor_A.RainB.High高C.layerD.cirrusNimbus”意思是下雨.78.“Nimbus”means_A.Rain下雨B.HighC.LayerD.cirrus卷云的出现可能是预示风暴临近.79. _maybeawarningforanapproachingstormA.Thepresenceofcirrusclouds卷云B.Thelow-hangingstratuscloudsC.ThealtocumuluscloudsD.Themassivecumulusclouds低处的云层显示天气反复无常80. _indicatesunstableweatherA.ThepresenceofcirruscloudsB.Thelow-hangingstratusclouds低处的云层C.ThealtocumuluscloudsD.Themassivecumulusclouds下降的大气压一般显示出大风或暴风雨即将来临.81. _generallyindicatesthatagaleorstormisapproachingA.Fallingbarometricpressure下降的大气压B.RisingbarometricpressureC.ThecirculationsofwindsD.Thechangeofwinddirection最臭名昭着的热带旋风,以风速64节甚至更甚者,是南大西洋和东太平洋的飓风,西北太平洋的台风,南太平洋的旋风及澳洲地区的沙漠旋风82Themostnotorioustropicalcyclones,withwindspeedsof64knotsandover,arethe_intheNorthAtlanticandEastPacific,the_intheWesternNorthPacific,the_inthesouthwestPacificandthe_intheAustralianAreaA.Hurricane,cyclones,Typhoon,Willy-willyB.Hurricane,Typhoon,cyclones,Willy-willy飓风,台风,旋风沙漠旋风C.Typhoon,Hurricane,cyclones,Willy-willyD.Willy-willy,Typhoon,cyclones,Hurricane潮汐主要是由于月亮的地心引力引起的.83._aremainlycausedbythegravitationalpullofthemoon.A.Tides潮汐B.SeaC.SwellD.Wind中云是云层有基底,在海平面与2公里及6公里高之间.83 _arecloudshavingtheirbasebetweensealeveland2kmand6kmheightA.LowcloudsB.HighcloudsC.SpeciallowcloudsD.Mediumclouds中云卷云是银色的云,以羽毛或布匹的形状出现在高高在蓝天上。84 _isasilverycloudintheformoffeatherorfibresseenhighupagainstablueskyA.CirrostratusB.Cirrus卷云C.CirrocumulusD.Altostratus卷积云是在云层高处，以小鳞片或椰菜花的形状出现，白色，相互间没有黑暗面。85 _isahighlayerofcloudintheformofsmallflakesorcauliflower,whiteincolourwithnodarkshadowsinbetween.A.CirrostratusB.CirrusC.Cirrocumulus卷积云D.Altostratus层云在低处，甚至暗灰云层的表层，带有光和暗的小块云朵。86 _isalow,evenlayerofdarkgreycloudwithlightordarkpatchesA.CirrostratusB.CirrusC.Stratus层云D.Altostratus高层云属于中间云朵。87 Altostratusbelongsto_A.LowcloudsB.HighcloudsC.SpeciallowcloudsD.Mediumclouds中间云卷积云属于高云88 Cirrocumulusbelongsto_A.LowcloudsB.Highclouds高云C.SpeciallowcloudsD.Mediumclouds遇险警报显示船只，船员和乘客有严重和紧急的危险。89.A(n)_indicatesthatthereisseriousandimmediatedangerforvessel,crewandpassengersA.distressalert遇险警报B.urgencymessageC.safetymessageD.routinemessage紧急通报显示船只，船员和乘客有严重危险。89 A(n)_indicatesthatthereisseriousdangerforvessel,crewandpassengersA.distressalertB.urgencymessage紧急通报C.safetymessageD.routinemessage安全情报是指航行存在有紧迫的风险。90 A(n)_indicatesthatthereisimmediateriskofnavigationA.distressalertB.urgencymessageC.safetymessage安全情报D.routinemessage在海域A1,无线电话覆盖范围至少在甚高频海岸电台，可作连续的警报在频道70和提供无线电话服务91 In_withinradiotelephone-coverageofatleastoneVHF-coaststation,continuousalertingchannel70andradiotelephonyservicesareavailable.A.SeaAreaA1海域A1,B.SeaAreaA2C.SeaAreaA3D.SeaAreaA4在海域A2,无线电话覆盖至少中频-海岸电台可作持续警报2187.5赫兹，及提供无线电话服务。92 In_withinradiotelephone-coverageofatleastoneMF-coaststation,continuousalerting2187.5kHzandradiotelephonyservicesareavailable.A.SeaAreaA1B.SeaAreaA2海域A2,C.SeaAreaA3D.SeaAreaA4在海域A3,由国际海事卫星覆盖，与地球相对位置不变的卫星，可持续报警。93 In_withincoverageofanInmarsatgeostationarysatellite,continuousalertingisavailable.A.SeaAreaA1B.SeaAreaA2C.SeaAreaA3海域A3,D.SeaAreaA4全球海上遇险安全系统的地面系统包括无线电话系统，数字选择性呼叫，直接打印的电报，航行警告电传系统和搜救应答器96TheterrestrialsystemofGMDSSconsistsof_A.radio-telephony,DSC,DirectPrintingTelegraphy,NavtexandSARTB.INMARSAT,DSC,DirectPrintingTelegraphy,NavtexandSARTC.radio-telephony,DSC,EPIRB,NavtexandSARTD.StatusRecordingsystem,DSC,DirectPrintingTelegraphy,NavtexandSART全球海上遇险安全系统包括国际海事卫星，苏联事故搜索卫星/搜索与救援卫星，无线电信标和现状录像系统97ThesatellitesystemofGMDSScompose_A.Navtex,COSPAS/SARSAT,EPIRBsandStatusRecordingsystemB.INMARSAT,COSPAS/SARSAT,EPIRBsandStatusRecordingsystemC.Navtex,INMARSAT,EPIRBsandSARTD.INMARSAT,DirectPrintingTelegraphy,andDSC下列哪些是对于甚高频真实的陈述98WhichofthefollowingstatementsistrueaboutVHF?A.TheVHFisusedtobridgeshortdistances.甚高频是用于连接短距离。B.WithVHF,listeningandspeakingcanbedonesimultaneously.C.Whenyouwishtospeak,youreleasethebutton.D.Whenyouwishtolisten,youpushthebutton安全情报是以宣告：“Securitesecur