單項選擇題In a twin screw ship going half-ahead , both screws turning outboard and the rudder amidships,no current or wind,the vessel will（）.

A.move bodily to port
B.move bodily to starboard
C.move in a zig-zag motion
D.steer a fairly straight course


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1.單項選擇題In case of accidents（）the risk of sinking,all effective measures shall be taken to steer clear of the fairway to avoid（）the traffic.

A.involving/impeding
B.involved/to impede
C.involving/to impede
D.involved/impeding

2.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

3.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

4.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

5.單項選擇題In nautical terminology a dog is a（）.

A.crow bar
B.device to force a water tigh door against the frame
C.heavy steel beam
D.wedge