单项选择题
A.Proceed on present course and speed since the vessel is requesting a pilot
B.Attempt to call the vessel on VHF radiotelephone and begin a search because the vessel has a man overboard
C.Attempt to call the vessel on VHF radiotelephone because it is disabled
D.Approach with caution because the vessel is stopped and making no way through the water
单项选择题 When starting CPR on a drowning victim，you should（）.
单项选择题 When carrying out a parallel track search pattern，the course of the search units should normally be which of the following（）.
单项选择题 When a rescue vessel approaches a lifeboat in heavy seas，the person in charge of the lifeboat should（）.