A.Non-toxic gas
B.oxygen
C.Hydrogen
D.Helium
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A.towing bridle
B.main weather cover
C.external lifelines
D.righting strap
A.turned off
B.already
C.almost
D.ready
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
最新試題
（）is where the crew eat their meals.
Which wind results from a land mass cooling more quickly at night than an adjacent water area?（）
The circulation around a low pressure center in the Northern Hemisphere is（）.
The helm command PORT TWENTY means（）.
According to the relevant regulation, lifeboat should be powered by（）.
A tide is called diurnal when（）.
The loading of the ship must be done in accordance with（）.
（）is on the panel of radar.
ECDIS must be able to perform all of the following EXCEPT（）.
Which of the following is not a form of precipitation?（）