A.Changes direction clockwise，as from north to east，etc
B.Changes direction violently and erratically
C.Remains constant in direction and speed
D.Changes direction counterclockwise，as from south to east，etc
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A.Westerlies
B.Easterlies
C.Northerlies
D.Southerlies
A.The center of the storm will by-pass you
B.The storm will strike you on the starboard side
C.You are in the direct path of the storm and should take immediate steps to batten down loose gear
D.The storm is starting to break up
A.On the starboard quarter，hold course and make as much way as possible
B.2 points on the port quarter，and make as much way as possible
C.On the port bow，and make as much way as possible
D.Dead ahead and heave to
A.West or northwest
B.Northeast
C.Southeast
D.North
A.forest fires
B.smoke from industrial areas
C.dust or sand storms
D.water droplets with the relative humidity more than 95%
最新試題
Which type of precipitation is a product of the violent convection found in thunderstorms（）.
The southeast trade winds actually blow toward the（）.
Your facsimile prognostic chart indicates that you will cross the cold front of a low pressure system in about 24 hours.You should（）.
In the Southern Hemisphere winds in a low pressure system rotate in a（）.
Which condition indicates that you are in a hurricane’s dangerous semicircle in the Northern hemisphere（）.
The moisture equilibrium chart can be used to determine the（）.
If you observe the point of cloud convergence shifting to the right and the “bar”of the storm appears to move along the horizon（）.
When a tornado moves over the water from land it is called a（）.
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（）.
In the relatively calm area near the hurricane center，the seas are（）.