单项选择题
A.Alter course to port and leave the buoy to starboard
B.Alter course to starboard and leave the buoy to port
C.Alter course and leave the buoy near by on either side
D.Alter course and pass the buoy well-off on either side
单项选择题 You are sailing south on the Intracoastal Waterway（ICW）when you sight a green can buoy with a yellow square painted on it.Which of the following is TRUE（）.
单项选择题 You are running parallel to the coast and take a running fix using bearings of the same object.If you are making less speed than used for the running fix，in relation to the position indicated by the fix，you will be（）.
单项选择题 You are running parallel to the coast and estimate that the current is against you.In plotting a running fix using bearings from the same object on the coast，the greatest safety margin from inshore dangers will result if what speed is used to determine（）.