单项选择题
The additional cargo is to be loaded（）board our ship.
A.on B.in C.from D.to
单项选择题 The actual amount of cargo loaded depends upon（）.
单项选择题 Strong smelling cargo should be stowed（）the cargo absorbing foreign smell.
单项选择题 Stress on the topping lift of a swinging boom can be reduced by（）.
