單項(xiàng)選擇題The securing of passenger cars on a Ro-Ro vessel requires().

A.simple and lightweight equipment
B.low labor intensive equipment
C.specially designed equipment to avoid vehicle damage
D.All of the above


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2.單項(xiàng)選擇題The primary danger in helicopter fires is().

A.burning jet fuel running on to quarters or other areas
B.loss of stability
C.rotating and flying debri
D.heat damage to helicopter structure

3.單項(xiàng)選擇題The premium is usually included in().

A.the indemnity
B.the franchise
C.the freight rate
D.the cargo cost

5.單項(xiàng)選擇題The objective of shoring the damaged area of a ship is to().

A.force the warped,bulged,or deformed sections back into place
B.support and hold the area in the damaged position
C.withstand subsequent additional damage
D.make a watertight seal at the damaged area