单项选择题
A.may be retained by the owner at the home port or kept on the vessel
B.must be posted under transparent material in the pilothouse
C.must be carried on board
D.must be kept on file at the corporate offices of the owner or operator
单项选择题 A vessel has sustained damage in a collision with another vessel. It is necessary to have a Seaworthy Certificate before the vessel sails. Who will issue this certificate?（）
单项选择题 （）is issued under the provision of International Convention for the Prevention of Pollution from Ships，1973，as modified by the Protocol of 1978 relating thereto.
单项选择题 Allowance for fresh water for all freeboards other than timber 25mm. This wording is likely to appear in （）.