单项选择题
To ensure the best results during the Mediterranean moor，the chains should（）.
A.be crossed around the bow B.tend out at right angles to the bow C.tend aft 60°from each bow D.tend forward 30°on either bow
单项选择题 There are two classes of vessels which，to the extent necessary to carry out their work，do not have to comply with the rule regarding traffic separation schemes. One of these is a vessel（）.
单项选择题 The ship is moored（）buoys.
单项选择题 The ship（）on a low rock was broken in two by the waves.
