A.Wind direction
B.Percentage of cloud cover
C.Wind speed
D.Barometric pressure
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A.polar easterlies
B.prevailing westerlies
C.roaring forties
D.jet streams
A.Sailing plans to be sent before departure
B.More frequent reports in heavy weather
C.Arrival reports to be sent within 8 hours of arrival
D.A position report within 24 hours of departure
A.Bora
B.Gust
C.Gregale
D.Floe
A.South to west
B.South to east
C.West to north
D.North to east
A.Drops，and the temperature drops
B.Drops，and the temperature rises
C.Rises，and the temperature drops
D.Rises，and the temperature rises
最新試題
When observing a rapid rise in barometric pressure，you may expect（）.
The winds you would expect to encounter in the North Atlantic between latitudes 5° and 30° are known as the（）.
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 AMVER system requires（）.
In Beaufort Scale，the wind force 7 with speed of 28-33 knots is defined as（）.
Gale warnings are usually issued when winds of（）8-9 are expected．
Mechanical lifting of air by the upslope slant of the terrain is called（）.
The eye of a hurricane is surrounded by dense black cumulonimbus clouds which are called the（）.
Weather observations provided by each weather station include all of the following except（）.
HIGH WAVES；DENSE STREAKS OF FOAM ALONG THE DIRECTION OF THE WIND；CRESTS OF WAVES BEGIN TO TOPPLE，TUMBLE AND ROLL OVER；SPRAY MAY AFFECT VISIBILITY.This condition is likely to be termed（）.