How many GMDSS operators are needed/required on board according to the provisions of the International Convention for the Safety of Life at Sea,1974、 ______．

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• 1A qualified deck officer should be ______ the watch．

  A.in charge of

  B.arranged

  C.decided to

  D.the depth of

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• 2The SMS should provide for specific measures aimed at promoting the ______of equipment or systems the sudden operational failure of which may result in hazardous situations．

  A.visibility

  B.ability

  C.reliability

  D.capability

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• 3An accident came ______ my mind when I saw the broken case．

  A.in

  B.on

  C.to

  D.with

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• 4Logbooks are used to record the events occurring when ______．

  A.the ship is in a harbor

  B.the ship is at anchorage

  C.the ship is underway

  D.all of the above

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• 5Every entry required to be made in the Official Logbook shall be signed by the ______．

  A.Mate on watch

  B.Master and Chief Mate or other member of the crew

  C.Master only

  D.Purser，one of the Mates，and some other member of the crew

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• 6Instructions on how to conduct search and rescue are given in the ______ which is primarily designed for use by merchant ship．

  A.MARPOL

  B.IRPCS

  C.SOLAS

  D.MERSAR

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• 7Annex V to MARPOL 73/78 contains requirements pertaining to the discharge into the marine environment of ______．

  A.oil

  B.garbage

  C.noxious liquid substances

  D.None of the above

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• 8Apparent wind speed blowing across a vessel under tow can be measured by a(n) ______．

  A.barometer

  B.wind vane

  C.anemometer

  D.thermometer

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• 9After casting off moorings at a mooring buoy in calm weather，you should ______．

  A.go full ahead on the engine(s)

  B.back away a few lengths to clear the buoy and then go ahead on the engines

  C.go half ahead on the engines and put the rudder hard right

  D.go half ahead on the engines and pass upstream of the buoy

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• 10The most doubtful and unpredictable factor in a mooring system is the ______．

  A.ability of the anchors to hold in a seabed

  B.anchor chain catenary length

  C.variability of the fairlead

  D.angle of the flukes

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