相关考题
-
单项选择题
This is deck cargo. （）stow it in the holds.
A.Not
B.Notto
C.Don’t
D.Can -
单项选择题
Before leaving the harbour, all derricks must be （）properly.
A.tightened
B.secured
C.unfastened
D.loaded -
单项选择题
（）operation, any obstacles in the way of hatches must be removed and cleaned.
A.Before
B.During
C.After
D.Within
