A.how many
B.how much
C.about
D.what
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A.clear of
B.know
C.deny
D.investigate
A.incurred
B.happened
C.spent
D.paying out
A.not under command
B.restricted in her ability
C.restrained by her draught
D.underway
A.the state of visibility
B.the traffic density
C.the number of crew on board
D.the maneuverability of the vessel
A.a little deeper aft
B.a little deeper forward
C.at the same draught between fore and aft
D.a balance between two sides
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When the wave period and the apparent rolling period are the same（）.
The ISM code is part of（）.
（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
The circulation around a low pressure center in the Northern Hemisphere is（）.
Manoeuvring information can not be obtained from（）.
The company should establish and maintain procedures to control all documents and date which are relevant to（）.
Bales close to the deckhead should be covered to prevent（）.
Which of the following is not an operation mode of AIS?（）
Where would you find information about the time of high tide at a specific location on a particular day of the year?（）