单项选择题
A Convention about safety of life at sea was adopted in 1974 which included a new amendment procedure, according which an amendment shall enter into force（）
A.after being accepted by more than two thirds of the Parties B.after being accepted by more than half of the Parties C.within a specified period of time with no objections D.within a specified period of time with no exceptions
单项选择题 The SOLAS Convention is the main international convention（）
单项选择题 The latest annex of MARPOL 73/78 is about（）
单项选择题 According to Annex Ⅴ of MARPOL 73/78, the dunnage, lining and packing materials which will float can be discharged when the ship is more than（）away from the nearest land.
