2025年海船船員適任理論考試(GMDSS-英語閱讀)在線題庫綜合能力測試題及答案一 1). ( ) is the communication between ship stations and shore-based stations which concern the management and operation of the ship,normally taken to mean public correspondence to the exclusion of safety,distress,and urgency messages.These communications may be conducted on the appropriate frequencies. A.Urgent communication B.Distress communication C.Safety communication D.General communication