单项选择题

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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单项选择题

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

单项选择题

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

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

单项选择题

Which statement concerning the collection of fresh water is FALSE?（）

A.Fresh water may be obtained from fish
B.lifeboat covers or canopies should be washed with rain before drinking water is collected
C.Fresh water may be collected from condensation inside the life-raft
D.Freshwater cannot be produced from standing seawater