单项选择题
A.injured is unfit for duty
B.injured is able to return to work
C.injury results in loss of life only
D.injury is the result of misconduct
单项选择题 During storm conditions on a ship，the mooring tensions should be adjusted so that（）.
单项选择题 During oil transfer operations，who is responsible for ensuring that the posted transfer procedures are followed?（）
单项选择题 During jacking operations and transit，empty void spaces in the hull of a jack up ship provide（）.