单选题No damage of any kind（）aids to navigation or navigation facilities.Ashould be done toBshould not be done toCmust be done withDmust not be done with
单选题
No damage of any kind（）aids to navigation or navigation facilities.
A
should be done to
B
should not be done to
C
must be done with
D
must not be done with
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On discovery of new dangers, of changes or defects in aids to navigation, Masters of vessels should immediately inform ______.A.their governmentB.their port of registryC.British GovernmentD.Hydrographer of the Navy of Ministry of Defense of U.K
材料：Navigation in the canalIt is not recommended that any person shall be allowed on the bridge or in the pilot house except the pilot and other representative of the Canal，and Master and such officers and other members of the crew of the vessel as may be necessary for its navigation and control，management，operation and safety．Navigational aids are difficult to maintain and are reported to be unreliable in this waters．A considerable amount of shipping uses the canal and，in addition，many local fishing craft with nets may be encountered in the area.Since passage through the canal entails a run of more than 250 miles，long periods of considerable vigilance are necessary in order to maintain safe standards of navigation．问题：PILOT HOUSE is referred to ______ in this passage．A.the cabin in which the pilot staysB.the space in which the rudder is locatedC.the bridge of vesselsD.the cabin which is prepared for the pilotSHIPPING is referred to ______ in this passage．A.he operations of transportation of goods by seaB.the procedures of marine transportation businessC.the management of marine transportation businessD.the vessels and shipsThe author implies that ______ ．A.even by making use of modern instrument it is difficult to maintain safety in this areaB.mariners should take it easy when navigating in this areaC.modern instrument should be used to control the safety of navigation in this areaD.it is dangerous when navigating in this areaThe person on the bridge or in the pilot house shall be those ______ ．A.who are recommendedB.who are familiar with the navigation，management，operation and safety controlC.who are directly involved in the navigation，management，operation and safety controlD.who have nothing to do with the navigation，management，operation and safety control请帮忙给出每个问题的正确答案和分析，谢谢！
Due to lapse of time the risk in these areas to surface navigation is now considered ______ than the ordinary risks of navigation，but a very real risk still exists with regard to anchoring，fishing or any form of submarine or seabed activity.A.more seriousB.not less seriousC.more dangerousD.no more dangerous
Defense plans may cause the operation of electronic aids to navigation to be suspended with ______.A.no noticeB.one day's noticeC.a week's noticeD.thirty (30) days notice
Mariners are FIRST warned of serious defects or important changes to aids to navigation by means of ______.A.marine broadcast Notice to MarinersB.Weekly Notices to MarinersC.corrected editions of chartsD.Light Lists
The Experimental Lighthouse-buoy has no navigational significance and may be removed at will．The above sentence means ______.A.It's of no use for navigation and would be removed with noticeB.It's useful in navigation and may be removed without noticeC.It's helpless in navigation and may be removed without noticeD.It's helpful in navigation and may be removed without notice
No damage of any kind ______ aids to navigation or navigation facilities．A.should be done toB.should not be done toC.must be done withD.must not be done with
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Under the Carriage of Goods by Sea Act of 1936，a vessel will be liable for damage to cargo when the damage arises from ______．A.An act of warB.Lack of ventilation in transitC.Perils of the seaD.An error in navigation
Loran-C is which type of navigation system ________．A.Hyperbolic，long-range navigation systemB.Short-range electronicC.Long-range，high frequency navigation systemD.Long-range，with a frequency of 1950 kHz
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During the early period of ocean navigation,（ ）any need for sophisticatedinstruments and techniques.A.so that hardlyB.when there hardly wasC.hardly wasD.there was hardly
单选题I can not take any actions to avoid close quarters situation with you，because your navigation lights（）.Ais not visibleBare not invisibleCare not visibleDcan easily be seen
单选题Aids to navigation marking the intracoastal waterway can be identified by（）.Athe letters ICW after the aid's number or letterByellow stripes，squares，or triangles marked on themCwhite retroreflective materialDthe light characteristic and color for lighted aids
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单选题Preferred channel marks are aids to navigation which all following marks other than（）．Achannel junctionsBbifurcationsCfishing trapsDwrecks or obstructions
单选题Defense plans may cause the operation of electronic aids to navigation to be suspended with （）.Ano noticeBone day's noticeCa week's noticeDthirty (30) days notice
单选题Class I and II private aids to navigation in or along navigable waters of the United States are listed in the（）.ASailing DirectionsBLight ListCList of Private AidsDAids to Navigation Manual
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单选题Which of the following shall not the officers in charge of the navigational watch do?（）Acontinue to be responsible for the safe navigation of the shipBLeave the bridgeCKeep the watch on the bridgeDUse any available navigational aids necessary to ensure that the ship follows the planned course
单选题The four standard light colors used for lighted aids to navigation are red，green，white，and （）.ApurpleBorangeCblueDyellow
单选题The Consol navigation system，used in Russian and Northern European waters，can be used（）.Afor precise navigation in coastal watersBby measuring the phase difference of the dots and dashesCas an aid to ocean navigationDif the vessel is fitted with a special Consol receiver
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