单项选择题
In order for a stand-on vessel to take action in a situation，she must determine that the other vessel（）.
A.Is restricted in her ability to maneuver
B.Has sounded the danger signal
C.Is not taking appropriate action
D.Has not changed course since risk of collision was determined
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相关考题
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单项选择题
If your vessel is the stand-on vessel in a crossing situation（）.
A.You must keep your course and speed
B.You may change course and speed as the other vessel must keep clear
C.The other vessel must keep her course and speed
D.Both vessels must keep their course and speed -
单项选择题
If necessary to avoid collision or allow more time to（）the situation，a vessel shall slacken her speed or take all way off by stopping or reversing her means of propulsion．
A.access
B.process
C.profess
D.recess -
单项选择题
Five or more short blasts on a vessel’s whistle indicates that she is（）.
A.In doubt that another vessel is taking sufficient action to avoid a collision
B.Altering course to starboard
C.Altering course to port
D.The stand-on vessel and will maintain course and speed
