单项选择题
The stability of a vessel is normally the greatest when all fuel and water tanks are full because the （）.
A.center of gravity is lowered B.center of buoyancy is lowered C.reserve buoyancy is unchanged D.hull freeboard is increased
单项选择题 Which of the following statements is true concerning Halon 1301 fire extinguishing equipment?（）
单项选择题 In order to find out which lifeboat you are assigned, you should look at the （）.
单项选择题 You may improve a vessels stability by （）.
