单项选择题
Gale warnings are usually issued when winds of（）8-9 are expected．
A.wind Speed
B.Air Force
C.wind Velocity
D.Beaufort Force
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相关考题
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单项选择题
For an accurate barometer check，you would（）.
A.check it with a barometer on another vessel
B.take readings from several barometers and average them
C.check it with the barometer at the ship chandlery
D.check it against radio or National Weather Service reports of the immediate vicinity -
单项选择题
Fleet weather forecast messages are the expected conditions in（）.
A.a certain area
B.all ocean areas
C.some areas
D.important areas -
单项选择题
Especially in adverse weather，risk of collision with an offshore supply vessel increases when the vessel is moored to what side of the unit?（）.
A.Upwind
B.Downwind
C.Crosswind
D.Downcurrent
