单项选择题
At night，if you see a vessel ahead displaying the lights shown you should（）.
A.provide assistance as the vessel is in distress B.stay clear as the vessel is transferring dangerous cargo C.stay clear as the vessel is fishing D.change course to the right as the vessel is crossing your bow
单项选择题 All of the following are recognized distress signals under the Navigation Rules EXCEPT（）.
单项选择题 All of the following are distress signals under the Rules EXCEPT（）.
单项选择题 According to the “Vessel Bridge-to-Bridge Radiotelephone Act”，your radiotelephone log must contain（）.
