A.switch on
B.switch off
C.close
D.open
您可能感興趣的試卷
你可能感興趣的試題
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
The loading of the ship must be done in accordance with（）.
The circulation around a low pressure center in the Northern Hemisphere is（）.
The helm command PORT TWENTY means（）.
What is a CORRECT reply to a pilot’s request, How’s your heading?（）
According to the relevant regulation, lifeboat should be powered by（）.
What is it called when it is possible to ignite the vapour above the oil?（）
（）is where the crew eat their meals.
（）is the act of allocating space to containers on board of a container ship in the order of the discharge ports.
Which of the following is not an operation mode of AIS?（）
The dew point temperature is（）.