A.wind direction remains steady
B.wind speed increases
C.barometer falls
D.All of the above
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A.bring the sails parallel to the wind
B.reduce sail area exposed to the wind
C.allow the sails to catch more wind
D.remove all tension on the main and jib sheets
A.Tornado
B.Waterspout
C.Hurricane
D.Cyclone
A.High pressure area
B.Extratropical low-pressure system
C.Tropical storm
D.Easterly wave
A.a high pressure area
B.an extratropical cyclone
C.a tropical storm
D.an easterly wave
A.High pressure
B.Low pressure
C.Subsurface pressure
D.Terrastatic pressure
最新試題
You have determined that you are in the right semicircle of a tropical cyclone in the Northern Hemisphere.What action should you take to avoid the storm（）.
The southeast trade winds actually blow toward the（）.
In the relatively calm area near the hurricane center，the seas are（）.
When experiencing heavy winds，you should reef sails to（）.
What kind of pressure systems travel in easterly waves（）.
In the Northern Hemisphere a wind is said to veer when the wind（）.
MIST is caused by（）.
What kind of conditions would you observe as the eye of a storm passes over your ship’s position（）.
In the Southern Hemisphere winds in a low pressure system rotate in a（）.
When your vessel is on or near the path of an approaching tropical storm the（）.