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
The dew point temperature is（）.
（）is on the panel of radar.
Which of the following shall not the officers in charge of the navigational watch do?（）
The helm command PORT TWENTY means（）.
Your vessel is docking, but not yet alongside. Which line will be the most useful when maneuvering the vessel alongside the pier?（）.
Which wind results from a land mass cooling more quickly at night than an adjacent water area?（）
Berthing means bringing a vessel to her berth until（）.
When the wave period and the apparent rolling period are the same（）.
The ISM code is part of（）.
Which of the following is not an operation mode of AIS?（）