单项选择题

Weather forecast messages are usually（）.……

Weather forecast messages are usually（）.

A.Given only to TV stations
B.Transmitted only by commercial broadcast stations
C.Broadcast in plain language
D.Broadcast immediately on VHF Channel 16 and 2182 kHz

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热门试题

单项选择题Weather conditions in the middle latitudes generally move（）．

A.Eastward
B.Westward
C.Northward
D.Southward

单项选择题The winds you would expect to encounter in the North Atlantic between latitudes 5° and 30° are known as the（）.

A.Doldrums
B.Westerlies
C.Trades
D.Easterlies

单项选择题The eye of a hurricane is surrounded by dense black cumulonimbus clouds which are called the（）.

A.Wall cloud
B.Nimbostratus cloud
C.Bar
D.Funnel

单项选择题The dense black cumulonimbus clouds surrounding the eye of a hurricane are called（）.

A.Spiral rainbands
B.Cloud walls
C.Funnel clouds
D.Cyclonic spirals

单项选择题The Beaufort scale is used to estimate the（）.

A.Wind direction
B.Percentage of cloud cover
C.Wind speed
D.Barometric pressure