单项选择题
A.Attempt to determine what is burning
B.Acquire the nearest self contained breathing apparatus
C.Break out the nearest fire hose
D.Wait for the fire team to arrive and assist as directed
单项选择题 You are underway and pass by a lighthouse.Its light，which was white since you first sighted it，changes to red．This means（）.
单项选择题 You are docking a vessel starboard side to with the assistance of two tugs.You are attempting to hold the vessel off by operating both tugs at right angles to the vessel and at full power.You must ensure that（）.
单项选择题 Winds expected to（）Storm Force 10 in south-east semicircle later up to 300 miles from the center of the tropical cyclone.