单项选择题
When is a stand-on vessel FIRST allowed by the Rules to take action in order to avoid collision?（）
A.When the two vessels are less than half a mile from each other B.When the give-way vessel is not taking appropriate action to avoid collision C.When collision is imminent D.The stand-on vessel is never allowed to take action
单项选择题 Electronic Chart Display and Information system can assist the mariner in（）.
单项选择题 When you doubt the existence of risk of collision,（）.
单项选择题 （）may be laid ready for the cargo or may just be put in bundles ready for the stevedores to lay out as the cargo is loaded.
