A tow that is properly aligned to pass through a narrow opening between two bridge piers is （）.

单项选择题A tow astern is veering from side to side on its towline. The best way of controlling the action is to（）.

A.trim the tow by the bow
B.trim the tow by the stern
C.list the tow to windward
D.adjust the length of the towing bridle

单项选择题A single vessel being towed alongside shall exhibit（）.

A.one all-round white light
B.sidelights and a sternlight
C.only the outboard sidelight and a sternlight
D.a masthead light，sidelights，and a sternlight

单项选择题A reaching course is one in which the wind（）.

A.comes directly over the bow
B.comes directly over the stern
C.comes over an area extending from broad on the bow to the quarter
D.has no effect on the vessel

单项选择题（）is prohibited in this area.

A.Anchor
B.Anchoring
C.Anchored
D.Being anchored

单项选择题You are to（）the convoy at 1745 hours.

A.get
B.take
C.have
D.join