单项选择题
I herely request permission to（）the ship hull for routine maintenance.
A.put paint on B.apply paint onto C.oil D.paint
单项选择题 If a cargo of kerosene were considered too lean to explode, then it must be（）.
单项选择题 If a vessel takes a sudden severe list or trim from an unknown cause, you should first（）.
单项选择题 If a void occurs in the cargo hold, it is better to（）to control the broken stowage.
