單項選擇題

At sea，on what occasion would you display two red lights at night or two black balls during the day?（）.

A.When vessel is on fire
B.When vessel is not under command
C.When vessel is carrying the dangerous cargoes
D.When vessel is restricted in her ability to maneuver

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單項選擇題

Argon is classified as a（）.

A.corrosive
B.flammable gas
C.flammable liquid
D.nonflammable gas

單項選擇題

Another name for coal naphtha that would appear on a dangerous cargo manifest is（）.

A.benzene
B.tar
C.middle oil
D.toluene

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At sea，on what occasion would you display two red lights at night or two black balls during the day?（）.

你可能感興趣的試題

Argon is classified as a（）.

Another name for coal naphtha that would appear on a dangerous cargo manifest is（）.

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