单选题Radio beacon can be activated（）in case of distress.Aonly automaticallyBonly manuallyCboth automatically and manuallyDonly by remote control
单选题
Radio beacon can be activated（）in case of distress.
A
only automatically
B
only manually
C
both automatically and manually
D
only by remote control
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Students can gain valuable experience by working ______ the campus radio or magazine. (A) on(B) in(C) at(D) of
BRadio and television are very popular in the world today． Millions of people watch TV．Perhaps more people listen to the radio．The TV is，of course，more useful than the radio． On TV you can see and hear what is hap-pening in the world．Now radio is still with us． And the number of listeners is becoming larger． One reason for this is the invention of the transistor(半导体) radio． A transistor radio is sometimes very small． It is very easy to carry． You can put one in your pocket and listen to it on the bus or on your bike when you go to work． It is better．for blind people． The sight(视力J) of many old peo-ple is not good enough to watch TV． Then，when people are working，they can't watch TV， but they can listen to music or news over the radio． What-s more，radio is much cheaper than TV．( )26． Radio and television__________ in the modern world today．A． are both widely usedB． are both expensiveC． have been changed a lotD． are used for learning things
28． The number of listeners is becoming larger because__________．A． the radio is easy to carryB． the radio is good for blind people and many old peopleC． the radio can be used at any timeD．A，B and C
29．__________ when you are on the bus or bike．A． Radio can be listenedB．TV can be watchedC． Radio can be listened toD． TV can be used
What can we do for the case?_________ A.We would condult our lawyerB.The case is difficultC.I don't care about it
In case no settlement can be reached between the two parties, the case under dispute shall be submitted for arbitration.(英译中)
Free Radio Pratique will be granted by the Port Health Office in the following case ______ ．A.Vessel with a case or suspected case of infectious disease on boardB.Vessel with a dead body on boardC.Vessel which has visited plague-infected ports during the current voyageD.Cargo vessel which hasn't called at any plague infected ports during the current voyage and on which there is not any case of infectious disease，or any dead body
Horton Point Light ______.A.is 14 feet above sea levelB.has a fixed green lightC.is shown from a white square towerD.is synchronized with a radio beacon
It may be found that，in certain circumstances，Radar Beacon can cause unwanted interference particularly ______．A.At close rangeB.At end on situationC.At head on situationD.At crossing situation
When should the emergency position-indicating radio beacon be activated after abandoning an OSV ________．A.ImmediatelyB.After one hourC.Only when another vessel is in sightD.Only after sunset
Which of the following devices can route electrical signals only when activated by an external control signal？（）A、SolenoidB、RelayC、ClutchD、Capacitor
单选题When should the emergency position-indicating radio beacon be activated after abandoning an OSV?（）AImmediatelyBAfter one hourCOnly when another vessel is in sightDOnly after sunset
单选题After having activated the emergency position indicating radio beacon，you should（）.Aturn it off for 5 minutes every half-hourBturn it off and on at 5 minute intervalsCturn it off during daylight hoursDleave it on continuously
单选题It may be found that，in certain circumstances，radar beacon emissions can cause（）with the normal radar display，particularly at close range.Aunwanted interferenceBunexpected figuresCabnormal dataDunwanted information
单选题When will the float-free emergency position indicating radio beacon be activated after abandoning ship?（）AImmediately after floating freeBAfter about one hour when the salt water activates the batteryCOnly when keyed by the radar of another vesselDOnly when daylight activates the photovoltaic cell
单选题The Master shall insure that the Emergency Position Indicating Radio beacon (EPIRB) is（）.Asecured inside the wheelhouseBtested annuallyCtested monthlyDsecured in the emergency locker
单选题You are the first vessel to arrive at the scene of a distress. Due to the volume of traffic on the radio，you are unable to communicate with the vessel in distress. Which action should you take?（）ASwitch to flag hoistsBBroadcast Seelonce DistressCBroadcast Charlie Quebec-Mayday-QuietDKey the microphone three times in quick succession
单选题Details of coast radio stations and radar stations can be found in（）.AAdmiralty ChartBAdmiralty Light listCAdmiralty List of Radio SignalsDAdmiralty Notices to Mariners
单选题（）can receive MSI sent by coast station.AA NAVTEX receiverBAn EGC receiverCMF/HF radio telephoneDHF radio telephone with NBDP
单选题The vessel’s Emergency Position Indicating Radio beacon (EPIRB) must be tested（）.AweeklyBmonthlyCevery 2 monthsDevery 3 months
单选题Free Radio Pratique will be granted by the Port Health Office in the following case （） .AVessel with a case or suspected case of infectious disease on boardBVessel with a dead body on boardCVessel which has visited plague-infected ports during the current voyageDCargo vessel which hasn't called at any plague infected ports during the current voyage and on which there is not any case of infectious disease，or any dead body
单选题The Emergency Position Indicating Radio beacon on a cargo vessel must be stowed（）.Ain an inside passagewayBin an approved bracketCso that it is accessible from the bridge of the vesselDso that it will float free if the vessel sinks
多选题When assigning a standalone access point a non-root role， which two parameters， other than Rolein the radio network settings， must be configured on the SSID Manager page？（）AForce Infrastructure Devices to associate only to this SSIDBSet Infrastructure SSIDCMultiple BSSIDDSet Data Beacon RateEEnable IP redirection on this SSID
单选题Horton Point Light（）.Ais 14 feet above sea levelBhas a fixed green lightCis shown from a white square towerDis synchronized with a radio beacon
单选题A vessel operating outside of coastal waters must carry an automatically activated Emergency Position Indicating Radio Beacon (EPIRB) if she（）.Adoes not have berthing facilitiesBhas berthing and galley facilitiesCis a workboat and her mother ship carries an EPIRBDNone of the above are correct