单项选择题
A.motion begins to be excessive
B.water begins to break over the pontoons
C.period of roll exceeds 12 seconds
D.forward progress is halted by head wind
单项选择题 A seaman you have just discharged has a Continuous Discharge Book. Which statement is TRUE? （）
单项选择题 A seaman may have all or part of his wages deposited by allotment to a bank or savings institution. Which of the following is NOT a requirement for this type of allotment? （）
单项选择题 A seaman leaves a vessel before it sails from a foreign port. He informs the Chief Officer that he won’t return. After the vessel sails，the Chief Officer finds the seaman’s work clothes in his locker. How should the Master handle this matter?（）