单项选择题
A semisubmersible with a negative GM flops to an angle of（）.
A.heel B.trim C.list D.loll
单项选择题 A semisubmersible which flops between forward and aft angles of trim is likely to have（）.
单项选择题 A semisubmersible rig under tow should be ballasted down if（）.
单项选择题 A seaman you have just discharged has a Continuous Discharge Book. Which statement is TRUE? （）
