单项选择题
In all but the most severe cases，bleeding from a wound should be controlled by（）.
A.applying direct pressure to the wound B.submerging the wound in lukewarm water C.cooling the wound with ice D.applying a tourniquet
单项选择题 In a storm，the windward lines of a ship’s mooring system provide（）.
单项选择题 In a river subject to tidal currents，the best time to dock a ship without the assistance of tugs is（）.
单项选择题 If your vessel is dragging her anchor in a strong wind，you should（）.
