單項(xiàng)選擇題

Weather information is available from（）.

A.Commercial radio broadcasts
B.The Coast Guard on scheduled marine information broadcasts
C.VHF-FM continuous marine weather broadcasts provided by the National Weather Service
D.All of the above

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單項(xiàng)選擇題

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

單項(xiàng)選擇題

Weather conditions in the middle latitudes generally move（）．

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