PLACE ON DECK，IN MESS ROOMS，ETC.，ASSIGNED TO CREW AND PASSENGERS WHERE THEY HAVE TO MEET ACCORDING TO THE MUSTER LIST WHEN THE CORRESPONDING ALARM IS RELEASED OR ANNOUNCEMENT MADE means（）.

单项选择题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

单项选择题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

单项选择题Our ship is more than 150 meters in（）.

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

单项选择题Our jumbo boom can（）20 tons.

A.lift
B.rise
C.elevate
D.hoist

单项选择题On which type davit does the davit head stay at the same height?（）

A.Radial
B.Sheath-screw
C.Quadrantal
D.Gravity