A.a certain area
B.all ocean areas
C.some areas
D.important areas
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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
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
最新試題
When a hurricane passes into high latitudes over colder water and the source of heat is disrupted，the storm assumes the characteristics of（）.
In the Northern Hemisphere，when the wind at your location is northerly，the low pressure center causing the wind is located to your（）.
The wind is（）and decreasing.
The passing of a low pressure system can be determined by periodically checking the（）.
The strong wind will make us（）here for some days.
Wen a hurricane passes over colder water or land and loses its tropical characteristics，the storm becomes a（n）（）.
Tropical cyclones are classified by form and intensity.Which system does not have closed isobars（）.
The moisture equilibrium chart can be used to determine the（）.
When a tornado moves over the water from land it is called a（）.
Two well-developed high pressure areas may be separated by a（）.