（1.5 分）
Weather information for ships is usually transmitted by coast radio stations ___.
A.any time of the day B.at fixed time C.in different languages D.in some parts of the world正确答案B
（1.5 分）
Weather information for ships is usually transmitted by coast radio stations ___.
A.any time of the day B.at fixed time C.in different languages D.in some parts of the world正确答案B
