( )15. 摩爾斯碼信號「‧─‧─‧─(點、劃、點、劃、點、劃)」，代表何信號？ (A)Comma (B)Full stop (C)Colon (D)Slash

( )21. A: Chief officer, I have been informed that the floating crane will arrive at the ship’s side tomorrow morning. B: That’s good. Youwill see to it that no trouble arises in working with the floating crane, I hope. Question: What is the function of a floating crane?(A)Cargo lifting (B)Vessel towage (C)Fire fighting (D)Lifesaving第2頁，共2頁