单项选择题
A.take avoiding action immediately upon determining that risk of collision exists
B.immediately sound the danger signal
C.take avoiding action only after providing the give-way vessel time to take action ,and determining that her action is not appropriate
D.hold course and speed until the point of extremis, and then sound the danger signal, taking whatever action will best avert collision
单项选择题 Instructions for on-board maintenance of each life-saving appliance shall not include（）.
单项选择题 （）of the following items is not in the charge of Chief Officer in repairing operation.
单项选择题 Which statement concerning the handling characteristics of a fully loaded vessel as compared with those of a light vessel is FALSE?（）