单项选择题

A.polar easterliesB.prevailing westerliesC.roaring fort……

The area of strong westerly winds occurring between 40°S and 60°S latitude is called the（）.

A.polar easterlies
B.prevailing westerlies
C.roaring forties
D.jet streams

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热门试题

单项选择题The AMVER system requires（）.

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

单项选择题Of the following，（）is not a wind.

A.Bora
B.Gust
C.Gregale
D.Floe

单项选择题If the center of low pressure is due west of you in the Northern Hemisphere，which wind direction should you expect（）.

A.South to west
B.South to east
C.West to north
D.North to east

单项选择题After a cold front passes，the barometric pressure（）.

A.Drops，and the temperature drops
B.Drops，and the temperature rises
C.Rises，and the temperature drops
D.Rises，and the temperature rises

单项选择题OWING TROPICAL STORM9706 CROSSING OUR COURSE PLSPERMIT SHELTERING KAGOSHIMA KAIWAN. This cable indicates that（）.

A.she requested shelter permission
B.she intended to berth at port of KAGOSHIMA
C.she intended to change her course
D.she was reporting to the port that a tropical storm is coming