A.The marine sextant
B.The chronometer
C.The echo sounder
D.The radar
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A.are tracked on reciprocal bearings
B.are tracked at the same range
C.are tracked on the same bearing
D.pass closely to each other
A.the vapor and air mixture is too rich
B.it is mixed with certain proportions of air
C.the vapor is too little compared to the air
D.it is of heavy toxicity
A.manifold
B.remote pull box
C.discharge nozzle
D.machinery space
A.AIS
B.SSAS
C.SSP
D.SART
A.Maintain balance and move with agility
B.Climb up and down vertical ladders and stairways
C.Open and close watertight doors
D.Take part in vessel evacuation procedures
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Where would you find information about the time of high tide at a specific location on a particular day of the year?（）
In the Northern hemisphere northerly winds may cause temperature（）.
What is it called when it is possible to ignite the vapour above the oil?（）
（）is where the crew eat their meals.
The dew point temperature is（）.
Fog is likely to occur when there is little difference between the dew point and the（）.
（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.
ECDIS must be able to perform all of the following EXCEPT（）.
（）is on the panel of radar.
What is a CORRECT reply to a pilot’s request, How’s your heading?（）