单项选择题
A. oil B. gas C. water and fuel D. timber
The standard size of the containers is （）high.A.9ftB.8f...
单项选择题The standard size of the containers is （）high.
A.9ft B.8ft C.8m D.9m
This is deck cargo. （）stow it in the holds.A.NotB.Notto...
单项选择题This is deck cargo. （）stow it in the holds.
A.Not B.Notto C.Don’t D.Can
Before leaving the harbour, all derricks must be （）prop...
单项选择题Before leaving the harbour, all derricks must be （）properly.
A.tightened B.secured C.unfastened D.loaded
