A.prevailing westerlies
B.geostrophic winds
C.doldrums
D.horse latitudes
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A.create large waves in the direction of the current
B.change direction 360°during a 24 hour period
C.remain fairly constant in direction and velocity throughout the year
D.are characterized by a light green color
A.permanent waves
B.tidal waves
C.tropical waves
D.tropical storms
A.starboard bow，note the course，and head in that direction
B.starboard quarter，note the course，and head in that direction
C.port quarter，note the course，and head in that direction
D.port bow，note the course，and head in that direction
A.veering wind
B.backing wind
C.reverse wind
D.chinook wind
A.starboard bow and make as much headway as possible
B.starboard quarter，and make as much headway as possible
C.port quarter，and make as much headway as possible
D.port bow，and make as much headway as possible
最新試題
The place where a channel moves from along one bank of the river over to the other bank of the river is called a（）.
The cold ocean current which meets the warm Gulf Stream between latitudes 40°and 43°N to form the cold wall is called the（）.
The presence of stratus clouds and a dying wind will usually result in（）.
The drift and set of tidal，river，and ocean currents refer to the（）.
In a tropical cyclone，in the Northern Hemisphere，a vessel hove to with the wind shifting counterclockwise is（）.
The largest waves (heaviest chop) will usually develop where the wind blows（）.
In some parts of the world there is often a slight fall in tide during the middle of the high water period. The effect is to create a longer period of stand at higher water. This special feature is called a(n)（）.
In most cases，the direction of the apparent wind lies between the bow and（）.
Advection fog holds longest over which portions of the lakes?（）
In the Northern Hemisphere you are caught in the dangerous semicircle with plenty of sea room available. The best course of action is to bring the wind on the（）.