A.distance a wave travels between formation and decay
B.stretch of water over which a wave-forming wind blows
C.time in seconds required for two crests to pass a given point
D.measurement of a wave's steepness
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A.Upwind
B.Downwind
C.Crosswind
D.Downcurrent
A.short confused swells
B.gradually increasing white clouds (mare's tails)
C.pumping barometer
D.continuous fine mist-like rain
A.ice crystals
B.water droplets
C.snow crystals
D.nitrogen
A.elevation
B.temperature
C.wind speed
D.latitude
A.apparent wind speed only
B.true wind speed and true wind direction
C.true wind speed only
D.apparent wind speed and true wind direction
最新試題
The doldrums are characterized by（）.
In the Northern Hemisphere a wind is said to veer when the wind（）.
The wind is（）and decreasing.
In the relatively calm area near the hurricane center，the seas are（）.
The strong wind will make us（）here for some days.
Which type of precipitation is a product of the violent convection found in thunderstorms（）.
In regions near the poles，the winds are generally described as（）.
If you observe the point of cloud convergence shifting to the right and the “bar”of the storm appears to move along the horizon（）.
MIST is caused by（）.
Which condition suggests that your present position lies in the navigable semicircle of a tropical storm（）.