A package contains nitric acid solution and is radioactive. The radiation level at the package surface is 36 millirems per hour. How should this package be labeled? （）

单项选择题A dangerous cargo manifest is needed for you to carry a combustible cargo. You should obtain the shipping papers to make this manifest from the（）.

A.manufacturer
B.CCS
C.MSA
D.shipper

单项选择题A continuous sounding of a fog-signal apparatus indicates（）.

A.the vessel is in distress
B.the vessel has completed loading dangerous cargo
C.it is safe to pass
D.the vessel is anchored

单项选择题Would you mind（）some dunnage materials for us?

A.order
B.to order
C.to ordering
D.ordering