單項選擇題In each inflatable rescue boat , what piece of equipment is provided to make quick , emergency,temporary repairs to a large hole in a raft?（）.
A.No equipment is provided
B.Glue and rubber patches
C.Several various-sized sealing clamps
D.Self-adhesive rubberized canvas patches
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1.單項選擇題In handing break bulk hazardous materials , it is forbidden to use（）.
A.cargo nets
B.metal bale hooks
C.pallets
D.slings
2.單項選擇題In launching a lifeboat,when should the tricing pendants be released?（）.
A.Before the boat is lowerd from the stowage position
B.As soon as the boat-fall blocks clear the davit head
C.After the limit switch is activated
D.After all people have been embarked
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The loading of the ship must be done in accordance with（）.
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In the Northern hemisphere northerly winds may cause temperature（）.
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Manoeuvring information can not be obtained from（）.
題型：單項選擇題
When the wave period and the apparent rolling period are the same（）.
題型：單項選擇題
The circulation around a low pressure center in the Northern Hemisphere is（）.
題型：單項選擇題