A.shift in a clockwise manner
B.shift in a counterclockwise manner
C.continue blowing from the same direction
D.decrease in velocity
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A.tropical storms
B.good weather
C.heavy rain and cloudiness
D.heavy seas
A.Farther away to the west
B.Farther away to the east
C.In the same place
D.Closer and to the west
A.To the north of you
B.To the south of you
C.To the east of you
D.To the west of you
A.The low may suddenly deepen，and the cyclone intensify and pick up speed
B.The left semicircle may become the dangerous semicircle
C.The low and the high may merge and cancel out the weather characteristics of each
D.The high may force the cyclone to reverse its track
A.maximum thermometer
B.barograph
C.thermograph
D.hygrometer
最新試題
Weather observations provided by each weather station include all of the following except（）.
Mechanical lifting of air by the upslope slant of the terrain is called（）.
It is predicted that heavy rains are（）to flood the harbor and its vicinity in a few days.
If the sky was clear，with the exception of a few cumulus clouds，it would indicate（）.
If a weather bulletin shows the center of a low pressure system to be 100 miles due east of you，what winds can you expect in the Southern Hemisphere?（）.
The winds you would expect to encounter in the North Atlantic between latitudes 5° and 30° are known as the（）.
When a high pressure system is centered north of your vessel in the Northern Hemisphere（）.
When force of winds reaches 10-11 in Beaufort scale，we usually call such wind（）.
Weather forecast messages are usually（）.
When observing a rapid rise in barometric pressure，you may expect（）.