单项选择题
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 The Ship Security Plan should indicate the operational and physical （） the ship itself should take to ensure it always operates at security level 1.
单项选择题 The Ship Security Plan should be submitted to（） for approval.
单项选择题 Under the terms of ISPS Code, shipping companies are required to designate a Company Security Officer for the Company and a（）for each of its ships.