单项选择题
The order of importance in addressing damage control is（）.
A.control flooding，control fire，repair structural damage B.restore vital services，control fire，control flooding C.control fire，restore vital services，control flooding D.control fire，control flooding，repair structural damage
单项选择题 The notice of casualty to a vessel must include（）.
单项选择题 The Loran needs（）.
单项选择题 The equipment is very old．It’s not worth（）.
