单项选择题
A.makes a cargo reach the farthest destination
B.makes the ship go as far as she can
C.is the most significant change in shipping industry
D.is the most economical change in shipping industry
单项选择题 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.
单项选择题 The weight of the container and its contents is supported on deck by what part(s)?（）.