单项选择题
At 1923，you increase speed to make good 9.2 mph. What is the first gage you will pass after your speed change?（）
A.Cottonwood Point B.Tiptonville C.Fulton D.New Madrid
单项选择题 At 1920，the buoy forward of your starboard beam is（）.
单项选择题 At 1810，you sight a buoy on your starboard side labeled “19”. This buoy marks（）.
单项选择题 At 1810，a red buoy bears 010° relative. This buoy marks（）.
