The use of containers will make the cargo-handling safer if（）that the man-hours of exposure to risk will decrease.

单项选择题When arranging cargo for（）in the holds，we should give first consideration to ship’s seaworthiness and her being in a good sea-going trim after loading.

A.dunnage
B.separation
C.stowage
D.operation

单项选择题The weight of the container and its contents is supported on deck by what part(s)?（）.

A.Four lower corner castings
B.Bottom，side，and end rails
C.Bottom flooring，side，and end rails
D.Bottom flooring only

单项选择题Under normal weather and sea conditions when securing a stack of containers with non-locking fittings，lashings are required when the tier exceeds what height?（）.

A.Lashings are always required
B.One container
C.Two containers
D.Three containers

单项选择题Under the Carriage of Goods by Sea Act of 1936，a vessel will be liable for damage to cargo when the damage arises out of（）.

A.poor stowage of cargo in a container
B.fire caused by lightning
C.overloading
D.inherent vice

单项选择题What is NOT an advantage of containership operations over conventional break-bulk operations? （）.

A.Flexibility of operation
B.Greater operational safety
C.Lower stevedoring costs
D.Reduction of cargo damage