A.them
B.that
C.this
D.it
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A.wide a place
B.wide a margin
C.wide enough
D.wide
A.I intend to meet you starboard to starboard
B.I do not intend to hold course and speed
C.I intend to overtake you on your port side
D.I intend to alter my course to port
A.all vessels must carry an after range light
B.vessels less than 50 meters in length need not carry an after range light
C.vessels stopped dead in the water should turn off their range lights
D.vessels over 20 meters in length must carry both range lights from sunset to sunrise
A.non-self-propelled raft
B.seaplanes
C.hovercrafts
D.All of the above
A.shall
B.should
C.would
D.had to
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It is dangerous for vessels without the operational radar（）the estuary.
The circulation around a low pressure center in the Northern Hemisphere is（）.
The dew point temperature is（）.
The loading of the ship must be done in accordance with（）.
（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.
When the wave period and the apparent rolling period are the same（）.
In the Northern hemisphere northerly winds may cause temperature（）.
（）is where the crew eat their meals.
How long are you prohibited to consume alcohol prior to serving as a member of a watch?（）
ECDIS must be able to perform all of the following EXCEPT（）.