单项选择题

Which of the following statements concerning the rigging of bosuns’ chairs and their use is TRUE（）.

A.Always secure the gantline to the chair with a bowline
B.Always have the chair hoisted with at least three turns on a winch drum
C.Any tools，paint pots etc．should be secured by lanyards
D.When riding a stay，make sure that the bow of the shackle passes through the becket of the bridle

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When two lines are spliced together,（）.

A.The size of the lines at the splice decreases
B.They are stronger than if knotted together
C.The overall strength of each line is increased
D.The bitter ends will resist rotting

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When rigging a stage，the standing part should be fastened to the horns of a stage with which of the following hitches（）.

A.Clove hitch
B.Timber hitch
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单项选择题

When rigging a bosun’s chair，a tail block or lizard is used to（）.

A.guide the bosun's chair down a stay when applying a protective coating
B.run paint or tools up to a sailor in a chair with a heaving line
C.keep a bosun's chair from swinging with the ship's motion
D.reeve the gantline through