单项选择题
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
单项选择题 Weather forecast messages are usually（）.
单项选择题 Weather conditions in the middle latitudes generally move（）．
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（）.
