单项选择题
In determining if risk of collision exists the following considerations shall be among（）.
A.these taken into calculation
B.those taking into account
C.that taken into account
D.those taken into account
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相关考题
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单项选择题
In a crossing situation on open waters，a sailing vessel shall keep out of the way of all the following vessels EXCEPT a vessel（）.
A.not under command
B.restricted in her ability to maneuver
C.engaged in towing
D.fishing -
单项选择题
If your vessel is underway in fog and you hear one prolonged and three short blasts，this is a （）.
A.vessel not under command
B.sailing vessel
C.vessel being towed (manned)
D.vessel being towed (unmanned) -
单项选择题
If there is sufficient sea room，alteration of（）may be the most effective action to avoid close-quarters situation.
A.speed and course
B.speed alone
C.course alone
D.speed or course
