If you hear more than six short blasts and one long blast of the whistle supplemented by the same signal on the general alarm, you should ______.A.start the fire pumpB.go to your man overboard stationC.go to your lifeboat stationD.stand by for collision
If you hear more than six short blasts and one long blast of the whistle supplemented by the same signal on the general alarm, you should ______.
A.start the fire pump
B.go to your man overboard station
C.go to your lifeboat station
D.stand by for collision
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Believe it or not，the day when you can go to the moon is coming soon．You can go into space (11) space shuttle．It (12) about three days for the shuttle to go from the earth to the moon． The shuttle flies a long way to a space station． You can stay there for a short rest and then it will (13) you to the moon．Now you can jump out of the shuttle． But you mustn't take (14) your spacesuit，because it is very hot in the daytime and very cold at night on the moon． The moon is much smaller than the earth． Things are (15) 0n the moon than they are on the earth． You can jump high every time you take a step． You will find that it is never tiring to walk on the moon． You don't need to take an umbrella or a raincoat with you，(16) there is no rain on the moon You can hear (17) because there is no air on the moon． And there are no animals or(18) living things there．The moon moves more slowly than the earth，so one day on the moon is as long as two weeks on the earth and one night is just as long as two weeks on the earth． What could you do in (19 )long days and nights and in a silent world?' Now scientists are trying to make the (20) 0f the moon． But our earth is really a far better place to live，as long as we take good care of it，( )11．A．onB．inC．byD．with
You are on international waters during a heavy rainstorm and hear a vessel sounding a fog signal of one prolonged blast followed by two short blasts． Which of the following could it be？Ⅰ．A vessel laying submarine cable making way．Ⅱ．A pilot vessel on station at anchor．A.Ⅰ onlyB.Ⅱ onlyC.Either Ⅰ or ⅡD.Neither Ⅰ nor Ⅱ
Approaching a anchorage in fog, you hear one short, one prolonged, and one short blast in that sequence on a ship’s whistle. This indicates ______.A.A vessel towedB.A vessel not under command and unable to maneuver.C.A vessel anchored giving warning of her position.D.A vessel stopped dead in the water.
If you do NOT understand the course or intention of an approaching vessel you should sound ___________.A.one short blastB.one prolonged blastC.not less than five short blastsD.not less than five prolonged blasts
单选题The wind is ESE，and a sailing vessel is steering NW. Which fog signal should she sound?（）AOne blast at one-minute intervalsBOne blast at two-minute intervalsCTwo blasts at one-minute intervalsDOne prolonged and two short blasts at two-minute intervals
单选题If your vessel is underway in fog and you hear one prolonged and three short blasts，this is a （）.Avessel not under commandBsailing vesselCvessel being towed (manned)Dvessel being towed (unmanned)
单选题If your vessel is underway in fog and you hear one prolonged and three short blasts，this indicates a（）.Avessel not under commandBsailing vesselCvessel in distressDvessel being towed
单选题When you hear three short blasts on the ships whistle and the same signal on the general alarm bells, you （）.Aare required to go to your life-raftBare dismissed from drillsCshould point to the man overboardDshould start the fire pump
单选题On the high seas，a fog signal consisting of one prolonged blast followed by four short blasts would indicate the presence of a（）.Avessel being towedBfishing vessel engaged in trawlingCvessel at anchor warning you of her locationDpower-driven pilot vessel on station underway
单选题You are underway in fog and you hear one prolonged blast followed by two short blasts.This is a vessel（）.ATowingBEngaged on pilotage dutyCAground in a fairwayDStopped and making no way through the water
单选题While underway，in fog，you hear a whistle signal of one prolonged blast followed by two short blasts. This signal is sounded by a vessel（）.Anot under commandBbeing towedCon pilotage dutyDaground
单选题You are Master of a towing vessel engaged in towing three barges astern.The middle barge of the tow would be required to sound which of the following during restricted visibility （）.ANo fog signalBA prolonged blast at intervals never to exceed more than two minutesCA prolonged blast followed by two short blasts at intervals never to exceed more than two minutesDA prolonged blast followed by three short blasts at intervals never to exceed more than one minute
单选题While working in the engine room, you hear seven short blasts followed by one long blast on the ships whistle, supplemented by the same signal on the general alarm bellsYou should （）.Astart the fire pump to charge the fire mainBstandby the main console and await orders from the engineer on watchCgo to your fire stationDgo to your lifeboat station
单选题Traditionally，the signal for fire aboard ship is（）.Amore than 6 short blasts and 1 long blast on the whistle，and the same signal on the general alarmBcontinuous sounding of the ship's whistle and the general alarm for at least 10 secondsC1 short blast on the whistleDalternating short and long blasts on the ship's whistle
单选题Which of the following represents the emergency signal for fire aboard ship?（）AMore than six short blasts and one long blast on the whistleBContinuous blast of the ships whistle for a period of not less than 10 seconds supplemented by the same signal on the general alarmCThree short blasts of the whistle supplemented by the same signal on the general alarmDMore than six short blasts and one long blast on the whistle supplemented by the same signal on the general alarm
单选题You can indicate that your vessel is in distress by（）.Adisplaying a large red flagBdisplaying three black balls in a vertical lineCsounding four or more short rapid blasts on the whistleDcontinuously sounding the fog whistle
单选题If you hear more than six short blasts and one long blast of the whistle supplemented by the same signal on the general alarm,you should（）.Astart the fire pumpBgo to your man overboard stationCgo to your lifeboat stationDcollision station
单选题When two vessels are in sight of one another and NOT in or near an area of restricted visibility，any of the following signals may be given EXCEPT（）.Aa light signal of at least five short and rapid flashesBone prolonged，one short，one prolonged，and one short whistle blastsCfour short whistle blastsDtwo short whistle blasts
单选题Approaching an anchorage in fog，you hear one short，one prolonged，and one short blast in that sequence on a ship’s whistle． This indicates（）.AA vessel towedBA vessel not under command and unable to maneuverCA vessel anchored giving warning of her positionDA vessel stopped dead in the water
单选题You are approaching another vessel and will pass starboard to starboard without danger if no course changes are made.You should（）.Ahold course and sound a two blast whistle signalBhold course and sound no whistle signalCchange course to the right and sound one blastDhold course and sound two prolonged and two short blasts
单选题If you hear a continuous blast of the ship’s whistle for a period of a period of not less than 10 saconds supplemented by a continuous ringing of the general alarm bells for not less than 10 seconds,you should go to your（）.Aboat stationBfire stationCman overboard stationDcollision station
单选题The abandon ship signal sounded by the vessels whistle is （）.A6 short blasts and 1 long blastBlong blast mare than 6 short blastsCmore than 6 short blasts and 1 long blastD1 long blast of at least 10 seconds
单选题A sound signal of seven short blasts and one long blast given with the vessel’s sound system is（）.ASafety alarmBDistress alarmCFire drill alarmDGeneral emergency alarm
单选题A whistle signal of one prolonged，one short，one prolonged and one short blast，is sounded by a vessel（）.Aat anchorBtowing a submerged objectCbeing overtaken in a narrow channelDin distress
单选题A 95-meter vessel aground sounds which fog signal? （）AA rapid ringing of a bell for 5 seconds every two minutesBA whistle signal of one short，one prolonged，and one short blastCA prolonged blast of the whistle at intervals not to exceed one minuteDA rapid ringing of a bell for 5 seconds，preceded and followed by three separate and distinct strokes on the bell
单选题A vessel which is being assisted by an icebreaker should indicate that she is ready to cast off the towline by（）.Adisplaying code letter Y (Yankee)Bsounding five short blasts on his whistleCdisplaying code numeral 5Dsounding one prolonged blast on his whistle
单选题The signal given to commence lowering the lifeboats is（）.A3 short blasts of the ship's whistleB1 short blast of the ship's whistleC3 long blasts of the ship's whistleD1 long blast of the ship's whistle