A.from
B.on
C.in
D.of
您可能感興趣的試卷
你可能感興趣的試題
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
A.spring，around late evening
B.spring，around early evening
C.fall，around early morning
D.fall，around midday
A.always forms over water
B.is formed by a temperature inversion
C.is thinnest at the surface
D.dissipates during the evening
最新試題
Ocean currents are well defined and（）.
A tide is called diurnal when（）.
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 some river mouths and estuaries the incoming high-tide wave crest overtakes the preceding low-tide trough. This results in a wall of water proceeding upstream，and is called a（）.
The direction of the surface wind is（）.
The presence of stratus clouds and a dying wind will usually result in（）.
In most cases，the direction of the apparent wind lies between the bow and（）.
The length of a wave is the length（）.
The apparent wind can be zero when the true wind is from（）.
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)（）.