单项选择题
When the anchor is brought to and holding，the horizontal component of anchor cable tensions should equal the（）.
A.displacement tonnage B.weight forces C.buoyancy forces D.environmental forces
单项选择题 When picking up your mooring at the buoy，the correct method is to（）.
单项选择题 When moored with a Mediterranean moor，the ship should be secured to the pier by having（）.
单项选择题 When in command of a lifeboat under oars，the command TOSS OARS means to（）.
