单项选择题
Under MARPOL Code the ship to which it applies has to carry （）
A.an International Ship Security Certificate B.an International Oil Pollution Certificate C.a Safety Management Certificate D.an International Ballast Water Management Certificate
单项选择题 Under ISM Code the ship to which it applies has to carry （）
单项选择题 Under ISPS Code the ship to which it applies has to carry（）
单项选择题 The Ship Security Plan should indicate the operational and physical （） the ship itself should take to ensure it always operates at security level 1.
