12.下圖信號旗，係表示何字母？ (A)C (B)G (C)N (D)T

20.翻譯：為了安全理由，所有人員至集合站準備撤離。 (A)For safety reasons, all crewmembers go to the embarking station preparing evacuation. (B)For safety reasons, all crewmembers go to the launching station preparing evacuation. (C)For safety reasons, all crewmembers go to the assembly station preparing evacuation. (D)For safety reasons, all crewmembers go to the afterdeck station preparing evacuation.