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
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A.seiche
B.bore
C.boundary wave
D.surge
A.apogean tide
B.double high water
C.perigean tide
D.bore
A.rollers
B.breakers
C.white caps
D.surfers
A.the direction of the true wind
B.true north
C.the beam on the windward side
D.the beam on the lee side
A.transmitter
B.transducer
C.transceiver
D.amplifier
最新試題
In most cases，the direction of the apparent wind lies between the bow and（）.
The direction of the southeast trade winds is a result of the（）.
The direction of the surface wind is（）.
In modern fathometers the sonic or ultrasonic sound waves are produced electrically by means of a(n)（）.
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（）.
Radiation fog（）.
The length of a wave is the length（）.
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)（）.
On the pole side of the trade wind belt，there is an area of high pressure with weak pressure gradients and light，variable winds. This area is called the（）.
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（）.