單項(xiàng)選擇題

Pinching of the cargo hose between the vessel and the dock should be prevented by（）.

A.adjusting the hose supports
B.laying out an excess length of hose on deck
C.tying off the topping lifts and runners to winch heads
D.All of the above

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Our starboard derrick boom of hatch No.4 is badly cracked（）that it has become entirely useless.

A.at its goose neck to such a extent
B.at it's goose neck to such an extent
C.at it's goose neck for such a extent
D.at its goose neck to such an extent

單項(xiàng)選擇題

Our ship is more than 150 meters in（）.

A.height
B.breadth
C.depth
D.length