Which of the following may be used in cleaning up an oil spill without the permission of governmental authorities ________．A.Straw and Skimmers onlyB.Skimmers and Chemical dispersants onlyC.Straw and Chemical dispersants onlyD.Straw，Skimmers and Chemical

题目

Which of the following may be used in cleaning up an oil spill without the permission of governmental authorities ________．

A.Straw and Skimmers only

B.Skimmers and Chemical dispersants only

C.Straw and Chemical dispersants only

D.Straw，Skimmers and Chemical dispersants

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Which of the following may be used in cleaning up an oil spill without the permission of governmental authorities ________．A.Straw and Skimmers onlyB.Skimmers and Chemical dispersants onlyC.Straw and Chemical dispersants onlyD.Straw，Skimmers and Chemical

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