A.close up
B.switch on
C.open
D.switch off
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A.switch on
B.switch off
C.close
D.open
A.invisible
B.it is invisible
C.isn't visible
D.unvisible
A.repairing
B.to repair
C.repairs
D.have repaired
A.tide is falling from high water to low water
B.tide is rising from low water to high water
C.tide is reaching to a highest level
D.tide is reaching to a lowest level
A.is stayed
B.is situated
C.is placed
D.is located
最新試題
Before any loading takes place any signs of the previous cargo should do（）.
The helm command PORT TWENTY means（）.
（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.
（）is where the crew eat their meals.
When the wave period and the apparent rolling period are the same（）.
（）is the act of allocating space to containers on board of a container ship in the order of the discharge ports.
What is it called when it is possible to ignite the vapour above the oil?（）
Which of the following shall not the officers in charge of the navigational watch do?（）
Bales close to the deckhead should be covered to prevent（）.
According to the relevant regulation, lifeboat should be powered by（）.