A.skimmers
B.straw
C.dispersants
D.sawdust
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A.Classes A and B
B.Classes B and C
C.Classes C and D
D.Classes A and D
A.Magnesium
B.Paper
C.Wood
D.Diesel Oil
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
A.class A
B.class B
C.class C
D.class D
A.Class "A"
B.Class "B"
C.Class "C"
D.Class "D"
最新試題
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
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To proceed to the assistance of a ship in distress is（）
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（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
Which of the following items don’t belong to dock repair works?（）