A.switch on
B.switch off
C.close
D.open
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A.what
B.When
C.At what
D.At when
A.Deep Flood
B.Direction Finder
C.Double Freeboard
D.Dangerous Fertilizer
A.in chief engineer's room
B.in chief officer's room
C.on the bridge
D.on deck
A.once
B.whether
C.previous
D.just
A.will take
B.took
C.is taking
D.would take
最新試題
It is dangerous for vessels without the operational radar（）the estuary.
The loading of the ship must be done in accordance with（）.
A tide is called diurnal when（）.
（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.
In the Northern hemisphere northerly winds may cause temperature（）.
What is it called when it is possible to ignite the vapour above the oil?（）
Shipboard Emergency Drills must be carried out at least（）on board cargo ship.
Manoeuvring information can not be obtained from（）.
The circulation around a low pressure center in the Northern Hemisphere is（）.
According to the relevant regulation, lifeboat should be powered by（）.