单项选择题

While on watch at sea you must maintain a proper lookout at all times. You are on a 200-foot cargo vessel with an unobstructed view astern from the steering position. The vessel is being hand-steered during daylight hours in good visibility and clear of any navigational hazards. The lookout may be（）.

A.the helmsman
B.the officer on watch
C.either A or B
D.neither A nor B

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单项选择题

While on watch at sea you must maintain a proper lookout at all times. On a 700-foot cargo vessel being hand-steered during daylight hours in good visibility and clear of any navigational hazards，the lookout may be（）.

A.the helmsman
B.the mate on watch
C.Either A or B
D.Neither A nor B

单项选择题

While loading cargo，a white trimming light on the starboard side comes on. This indicates that（）.

A.the vessel has a list of about 1` to starboard
B.the chutes should be directed to the starboard side
C.the chutes in No. 1 hold should be directed to the starboard side
D.a severe list to starboard has developed and all loading should cease

单项选择题

Which vessel is NOT classified as “restricted in her ability to maneuver”? （）

A.A vessel picking up a navigation mark
B.A vessel transferring cargo while underway
C.A vessel whose anchor is fouled
D.A vessel in a towing operation that restricts the ability of the vessel and her tow to change their course