单项选择题
The document which shows a vessel’s nationality，ownership，and tonnage is the（）.
A.Manifest Certificate B.Bill of Lading Certificate C.Certificate of Nationality D.Official Logbook
单项选择题 The Tonnage Certificate gives the（）of a ship which is classified into gross tonnage and net tonnage.
单项选择题 When and where（）your Registry Certificate issued?
