单项选择题
A.Flexibility of operation
B.Greater operational safety
C.Lower stevedoring costs
D.Reduction of cargo damage
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，（）.
单项选择题 When loading containers into the cell guides in the hold of a container ship，which statement is TRUE?（）.