单项选择题
You hear the general alarm bells and ships whistle sound for over 10 secondsTraditionally, this is the signal for （）.
A.abandon ship B.dismissal from drills C.fire and emergency D.lower lifeboats
单项选择题 The abandon ship signal sounded by the vessels whistle is （）.
单项选择题 If you have to abandon ship and enter a life-raft, your main course of action should be （）.
单项选择题 In the first 24 hours after abandoning a vessel, water should be given only to personnel who are（）.
