单项选择题
A mooring line leading at nearly right angles to the keel is a（）.
A.bow line
B.breast line
C.spring line
D.stern line
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相关考题
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单项选择题
A mooring line leading 45°to the keel，used to check forward or astern movement of a vessel，is called a（）.
A.spring line
B.warp line
C.bow line
D.breast line -
单项选择题
A look-out should report objects sighted using（）.
A.true bearings
B.magnetic bearings
C.gyro bearings
D.relative bearings -
单项选择题
A lookout can leave his station（）.
A.at the end of the watch
B.at any time
C.ONLY when properly relieved
D.15 minutes before the end of the watch
