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
Two well-developed high pressure areas may be separated by a（）.
In regions near the poles，the winds are generally described as（）.
In the relatively calm area near the hurricane center，the seas are（）.
What kind of conditions would you observe as the eye of a storm passes over your ship’s position（）.
The direction of prevailing winds in the Northern hemisphere is caused by the（）.
Your facsimile prognostic chart indicates that you will cross the cold front of a low pressure system in about 24 hours.You should（）.
If you observe the point of cloud convergence shifting to the right and the “bar”of the storm appears to move along the horizon（）.
The wind is（）and decreasing.
Which condition indicates that you are in a hurricane’s dangerous semicircle in the Northern hemisphere（）.
Steady precipitation is typical of（）．