A.navigable semicircle
B.dangerous semicircle
C.low pressure area
D.eye of the storm
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A.position and area of the current
B.speed and direction toward which the current flows
C.type and characteristic of the current's flow
D.None of the above
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
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
最新試題
A tide is called diurnal when（）.
The presence of stratus clouds and a dying wind will usually result in（）.
Advection fog holds longest over which portions of the lakes?（）
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 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)（）.
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 apparent wind can be zero when the true wind is from（）.
The apparent wind’s speed can be zero only when two conditions are present. One condition is that the true wind（）.
Steam fog is most likely to occur on the Mississippi and Ohio Rivers in（）.
Radiation fog（）.