A.on
B.under
C.off
D.over
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A.moors
B.moor
C.is moored
D.mooring
A.with
B.of
C.on
D.over
A.on
B.in
C.from
D.alongside
A.flat
B.up
C.upright
D.vertical
A.on port side
B.on starboard side
C.at the port quarter
D.at the stern
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The helm command PORT TWENTY means（）.
（）is on the panel of radar.
When the wave period and the apparent rolling period are the same（）.
Full details of all lights and fog signals are shown on（）.
The loading of the ship must be done in accordance with（）.
Which of the following shall not the officers in charge of the navigational watch do?（）
Which of the following is not a form of precipitation?（）
The force resulting from the earth’s rotation that causes winds to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere is called（）.
Bales close to the deckhead should be covered to prevent（）.
According to the relevant regulation, lifeboat should be powered by（）.