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單項選擇題

One of the methods NOT usually allowed in cleaning up oil spills in the United States is （）.

A.skimmers
B.straw
C.dispersants
D.sawdust

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單項選擇題

Which of the listed classes of fire would most likely occur in the engine room of a vessel?（）

A.Classes A and B
B.Classes B and C
C.Classes C and D
D.Classes A and D

單項選擇題

If ignited, which of the listed materials would be a class "B" fire?（）

A.Magnesium
B.Paper
C.Wood
D.Diesel Oil

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