14. 於夜間遇險中船舶或人員利用岸上救生設備時,表示「肯定」的信號是:(A) 白燈一盞或白色光焰一個作上下揮動 (B) 白燈一盞或白色光焰一個作水平揮動 (C) 紅燈一盞或白色光焰作上下揮動 (D)
15. I read you _______also means I read you with signal strength three.(A) good (B) fair (C) bad (D)
18. Searchpattern means a_______according to which vessels and/or aircraft many conduct aco-ordinate
19. Wreak means a vessel which has been_______, sunk or abandoned at sea. (A) damaged (B) missing (C