單項(xiàng)選擇題If the steersman of your lifeboat gives the command Way enough，you should（）.

A.complete the stroke，hold your oar out from the boat and level with the water
B.dip the blade of your oar into the water and leave it there
C.lift your oar to a vertical position
D.complete the stroke，raise your oar slightly，swing it forward，and place it in the boat


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1.單項(xiàng)選擇題How should the lifeboat sea painter be rigged?（）

A.Spliced into the ring on the stem post
B.Secured to the inboard side of a forward thwart and led inboard of the falls
C.Secured by a toggle to the stem post and led outboard of the falls
D.Secured by a toggle around the outboard side of a forward thwart

2.單項(xiàng)選擇題Generally，when lifting an inflatable liferaft back aboard ship you would use the（）.

A.towing bridle
B.main weather cover
C.external lifelines
D.righting strap

3.單項(xiàng)選擇題For each person it is certified to carry，a lifeboat on an oceangoing passenger vessel must be provided with all of the following EXCEPT（）.

A.3 litres of water
B.1 unit of provisions
C.1 seasickness kit
D.1 life preserver

4.單項(xiàng)選擇題Before hydraulic starting of an engine on a covered lifeboat，what need NOT be checked?（）

A.Fuel supply line valve
B.Pressure registered on the accumulator gauge
C.Cold-spark voltage readings test lamp
D.Engine stop control

5.單項(xiàng)選擇題Aluminum lifeboats are subject to damage by electrolytic corrosion (the aluminum being eaten away). In working around boats of aluminum you must be very careful（）.

A.to keep the boats covered at all times
B.not to leave steel or iron tools lying in or near these boats
C.to keep an electric charge on the hull at all times
D.to rinse these boats regularly with salt water