问题
单项选择题
What is the minimum number of deck officers，able seaman or certificated persons required for a lifeboat on a vessel in ocean service?（）
A.Two
B.Three
C.Four
D.Five
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”
What is the minimum number of deck officers，able seaman or certificated persons required for a lifeboat on a vessel in ocean service?（）
A.Two
B.Three
C.Four
D.Five
参考答案：A