单项选择题
All handling and stowage of packaged hazardous materials on board a domestic vessel engaged in foreign trade shall be done under the supervision of（）.
A.a MSA Marine Inspector
B.an officer assigned to the vessel by MSA
C.a officer from CCS
D.the National Cargo Bureau
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According to the stowage factor of the cargo，my ship will（）take 350 more metric tons of cargo.
A.could
B.can
C.be able to
D.should -
单项选择题
A petroleum liquid has a flashpoint of 85℃.This liquid is in IMDG Code classed as a（）.
A.flammable liquid
B.nonflammable liquid
C.inflammable liquid
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单项选择题
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? （）
A.Radioactive II and oxidizer
B.Radioactive II and poison
C.Radioactive I and corrosive
D.Fissile class I
