單項(xiàng)選擇題A sweep oar is an oar that is().

A.generally shorter than the others and is used to steer with
B.is longer than the others and is used as the stroke oar
C.is raised in the bow of the boat for the steersman to steer by
D.longer than the others used for steering


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1.單項(xiàng)選擇題A stopper is().

A.a short length of line used for temporarily holding another line
B.a snatch block for handling a topping lift
C.an engine order telegraph
D.the brake on a cargo winch

2.單項(xiàng)選擇題A stay is().

A.standing rigging
B.a downhaul
C.a halyard
D.a jib

3.單項(xiàng)選擇題A spring line leads().

A.fore and aft from the ship's side
B.to the dock at a right angle to the vessel
C.through the bull nose or chock at the bow
D.through the chock at the stern

4.單項(xiàng)選擇題A small light tackle with blocks of steel or wood that is used for miscellaneous small jobs is called a().

A.snatch block
B.threefold purchase
C.handy-billy
D.chockablock

5.單項(xiàng)選擇題A single heavy wire made up for the topping lift is called a().

A.bale
B.spanner wire
C.bull line
D.working guy