单项选择题
In case of your steering gear failed，（）should be exhibited in shapes or lights.
A.not under command B.restricted in her ability to manoeuvre C.restrained by her draught D.underway
单项选择题 In all but the most severe cases，bleeding from a wound should be controlled by（）.
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（）.
