A.sufficient oxygen in a compartment to support life
B.combustible gases present
C.hydrogen gases present
D.All of the above
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A.danger
B.dangerous
C.dangerously
D.dangering
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D.follow
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B.releasing the tie-down strap
C.pulling the operating cord
D.releasing the CO2 canister
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最新試題
Manoeuvring information can not be obtained from（）.
Where would you find information about the time of high tide at a specific location on a particular day of the year?（）
The ISM code is part of（）.
The mean draft of a ship is the draft（）.
Which wind results from a land mass cooling more quickly at night than an adjacent water area?（）
When steering by autopilot,how often should the steering be checked?（）
The loading of the ship must be done in accordance with（）.
ECDIS must be able to perform all of the following EXCEPT（）.
When the wave period and the apparent rolling period are the same（）.
Shipboard Emergency Drills must be carried out at least（）on board cargo ship.