單項(xiàng)選擇題A tug is approaching a broken down steamer in moderately heavy weather preparing to take it in tow. In most cases the（）.

A.steamer will drift stern downwind
B.tug will drift faster than the steamer
C.tug should approach stern to
D.tug should approach from downwind


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1.單項(xiàng)選擇題A tourniquet should be used to control bleeding ONLY（）.

A.with puncture wounds
B.when all other means have failed
C.when the victim is unconscious
D.to prevent bleeding from minor wounds

2.單項(xiàng)選擇題A survival craft being used to pick up a person who has fallen overboard from a vessel should approach the person（）.

A.at a high rate of speed
B.under oars
C.against the wind
D.with the wind

3.單項(xiàng)選擇題A snag or other underwater obstruction may form a（）.

A.V-shaped ripple with the point of the V pointing upstream
B.V-shaped ripple with the point of the V pointing downstream
C.small patch of smooth water on a windy day
D.smoothing out of the vessel's wake

4.單項(xiàng)選擇題A shipmate suffers a heart attack and stops breathing. You must（）.

A.administer oxygen
B.immediately check his pulse and start CPR
C.make the victim comfortable in a bunk
D.immediately give a stimulant，by force if necesssary

5.單項(xiàng)選擇題A shipmate chokes suddenly，cannot speak，and starts to turn blue. You should（）.

A.perform the Heimlich maneuver
B.make the victim lie down with the feet elevated to get blood to the brain
C.immediately administer CPR
D.do nothing until the victim becomes unconscious