單項選擇題The majority of cargo gear breakdowns are a result of（）.

A.Guy failures
B.Topping lift failures
C.Bending of the boom from compression
D.Gooseneck failure


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1.單項選擇題The inability to supply a cargo of the contractual quantity in the country of shipment（）the doctrine of frustration into operation.

A.is capable of bringing
B.is sufficient to bring
C.is not capable of bringing
D.is probally to bring

2.單項選擇題The full utilization of berths can be achieved if（）.

A.ships arrive at random
B.cargo-handling time varies greatly
C.ships have to queue to get onto berths
D.ships do not have to wait to get onto berths

3.單項選擇題The foreman says that the stevedores stopped working owing to the（）of the winch.

A.breakdown
B.breaked down
C.broken down
D.broke down

4.單項選擇題The force acting on a single cargo runner which is vertically lifting or lowering a load is greatest when（）.

A.decelerating when lowering the load
B.decelerating when raising the load
C.lowering the load at constant speed
D.raising the load at constant speed