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
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 presence of stratus clouds and a dying wind will usually result in（）.
The apparent wind’s speed can be zero only when two conditions are present. One condition is that the true wind（）.
A tide is called diurnal when（）.
Radiation fog（）.
The height of a wave is the vertical distance（）.
The horse latitudes are characterized by（）.
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（）.
In the Northern Hemisphere，a wind that shifts counterclockwise is a（）.
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（）.