A.directly from high pressure toward low pressure
B.directly from low pressure toward high pressure
C.from high pressure toward low pressure deflected by the earth's rotation
D.from low pressure toward high pressure deflected by the earth's rotation
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A.equatorial current
B.humidity
C.rotation of the earth
D.change of seasons
A.from
B.on
C.in
D.of
A.North Cape Current
B.Labrador Current
C.Greenland Current
D.North Atlantic Current
A.must be from dead ahead
B.speed must be zero
C.must be from dead astern
D.must be on the beam
A.ahead and equal to the ship's speed
B.astern and equal to the ship's speed
C.ahead and equal to twice the ship's speed
D.astern and equal to twice the ship's speed
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A swift current occurring in a narrow passage connecting two large bodies of water which is produced by the continuously changing difference in height of tide at the two ends of the passage is called a(n)（）.
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 largest waves (heaviest chop) will usually develop where the wind blows（）.
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（）.
Cold water flowing southward through the western part of the Bering Strait between Alaska and Siberia is joined by water circulating counterclockwise in the Bering Sea to form the（）.
Advection fog is most commonly caused by（）.
Steam fog is most likely to occur on the Mississippi and Ohio Rivers in（）.
The edge of a hurricane has overtaken your vessel in the Gulf of Mexico，and the northwest wind of a few hours ago has shifted to the west. This is an indication that you are located in the（）.
The direction of the surface wind is（）.
Radiation fog（）.