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
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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
A.clockwise around the North Atlantic and North Pacific Oceans
B.clockwise or counterclockwise depending on whether it is warm or cold current
C.counterclockwise except in the Gulf Stream
D.counterclockwise around the North Atlantic and North Pacific Oceans
最新試題
In mid-ocean，the characteristics of a wave are determined by three factors. What is NOT one of these factors?（）.
Steam fog is most likely to occur on the Mississippi and Ohio Rivers in（）.
In the Northern Hemisphere，your vessel is believed to be in the direct path of a hurricane，and plenty of sea room is available. The best course of action is to bring the wind on the（）.
Radiation fog（）.
The apparent wind’s speed can be zero only when two conditions are present. One condition is that the true wind（）.
The drift and set of tidal，river，and ocean currents refer to the（）.
The ocean bottom that extends from the shoreline out to an area where there is a marked change in slope to a greater depth is the（）.
The length of a wave is the length（）.
In the Northern Hemisphere，a wind that shifts counterclockwise is a（）.
A tide is called diurnal when（）.