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
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A.a certain area
B.all ocean areas
C.some areas
D.important areas
A.distance a wave travels between formation and decay
B.stretch of water over which a wave-forming wind blows
C.time in seconds required for two crests to pass a given point
D.measurement of a wave's steepness
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最新試題
Which condition suggests that your present position lies in the navigable semicircle of a tropical storm().
Monsoons are characterized by().
When your vessel is on or near the path of an approaching tropical storm the().
Steady precipitation is typical of().
Which type of precipitation is a product of the violent convection found in thunderstorms().