单项选择题
In determining the scope of anchor line to pay out when anchoring a small boat，one must consider the（）.
A.charted depth of water only B.depth of water，including tidal differences C.time and date of anchoring D.type of anchor being used
单项选择题 In case of your steering gear failed，（）should be exhibited in shapes or lights.
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（）.
