A.turned off
B.already
C.almost
D.ready
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A.M is not fixed at large angle
B.there is no M at large angles
C.G is not fixed at large angles
D.there is no G at large angles
A.good towing ground
B.good holding ground
C.good grabbing ground
D.good dragging ground
A.breaking the chain reaction
B.smothering the fire
C.cooling the fire
D.coating the fule with a nonflammable surface
A.cooling
B.smothering
C.shielding of radiant heat
D.breaking the chain reaction
A.directly on flames
B.at room temperature
C.in an extremely cold climate
D.None of the above
最新試題
Which of the following shall not the officers in charge of the navigational watch do?（）
Berthing means bringing a vessel to her berth until（）.
The helm command PORT TWENTY means（）.
Before any loading takes place any signs of the previous cargo should do（）.
The circulation around a low pressure center in the Northern Hemisphere is（）.
The company should establish and maintain procedures to control all documents and date which are relevant to（）.
Shipboard Emergency Drills must be carried out at least（）on board cargo ship.
When steering by autopilot,how often should the steering be checked?（）
Which of the following is not an operation mode of AIS?（）
Full details of all lights and fog signals are shown on（）.