单项选择题
All the expenses are（）the ship’s account.
A.of B.for C.to D.at
单项选择题 All the copper bars are（）different sizes.
单项选择题 A vessel transferring provisions or cargo at sea shall display during the day（）.
单项选择题 A vessel engaged in replenishment or transferring persons，provisions or cargo while under way can be regarded as（）.
