A.Doldrums
B.Westerlies
C.Trades
D.Easterlies
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A.Wall cloud
B.Nimbostratus cloud
C.Bar
D.Funnel
A.Spiral rainbands
B.Cloud walls
C.Funnel clouds
D.Cyclonic spirals
A.Wind direction
B.Percentage of cloud cover
C.Wind speed
D.Barometric pressure
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
最新試題
The Beaufort scale is used to estimate the（）.
The dense black cumulonimbus clouds surrounding the eye of a hurricane are called（）.
If the center of low pressure is due west of you in the Northern Hemisphere，which wind direction should you expect（）.
INTERTROPICAL CONVERGENCE ZONE OVER SOUTH PHILIPPINE PASSING OVER MINDANAO NORTHERN SULU AND PALAWAN.This paragraph is likely to be under the heading of（）.
If the sky was clear，with the exception of a few cumulus clouds，it would indicate（）.
Widely spaced isobars on a weather map indicate（）.
West backing south-west gale 8 locally storm 10（）then rain or sleet mainly good.
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（）.
Of the following，（）is not a wind．
When observing a rapid rise in barometric pressure，you may expect（）.