A.rollers
B.breakers
C.white caps
D.surfers
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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
A.Effect of the moon's gravity
B.Fetch
C.Wind velocity
D.Length of time a wind has been blowing
A.ahead of the storm center
B.in the dangerous semicircle
C.in the navigable semicircle
D.directly in the approach path of the storm
A.Alaska Current
B.Subarctic Current
C.Kuroshio Current
D.Oyashio Current
最新試題
A tide is called diurnal when（）.
The direction of the surface wind is（）.
Low pressure disturbances，which travel along the intertropical convergence zone，are called（）.
The drift and set of tidal，river，and ocean currents refer to the（）.
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（）.
Ocean currents are well defined and（）.
The currents are（）mosoonal origin．
In a tropical cyclone，in the Northern Hemisphere，a vessel hove to with the wind shifting counterclockwise is（）.
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（）.
In the Northern Hemisphere，a wind that shifts counterclockwise is a（）.