单项选择题
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? （）.
单项选择题 What is the meaning of the term tare weight?（）.
单项选择题 When loading a container vessel，the operation is basically that of vertical loading. The important factors to be considered when loading containers are port of discharge，（）.