单项选择题
A.apply the relevant Steering and Sailing Rules as a power-driven vessel
B.apply the relevant Steering and Sailing Rules as a Sailing vessel
C.apply the relevant Steering and Sailing Rules as a vessel not under command
D.apply the relevant Steering and Sailing Rules as a vessel engaged in a towing operation
单项选择题 A towing vessel becomes tripped while towing on a hawser astern. What factor is MOST important when assessing the risk of capsizing? （）
单项选择题 A stand-on vessel in a crossing situation is allowed to take action when（）.
单项选择题 A sailing vessel is overtaking a steam vessel in a fairway on International waters，so as to pass on the steam vessel’s port side． The sailing vessel is the（）.