单项选择题
A.her gear extends more than 100 meters from the vessel
B.she is using any type of gear，other than lines
C.she is using fishing apparatus which restricts her maneuverability
D.she has any fishing gear on board
单项选择题 A vessel hearing a fog signal forward of her beam has not determined if risk of collision exists. She shall reduce speed to（）.
单项选择题 A vessel has a charter party for one voyage to carry a full load of manganese from Durban，South Africa，to Baltimore，Maryland，at a stipulated rate per ton. Which type of contract is involved? （）
单项选择题 A vessel entering the eye of a hurricane should expect（）.