问题
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In order to culture and propagate enough bacteria to treat the body and galley wastes____A
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【C8】A.yetB.butC.andD.or
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Biodiesel can be made from coconut and palm oil, or from waste cooking oil.A.RightB.WrongC
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The boss told him " ____ wasting time! Fish or cut bait.A) ResignB) BlockC)QuitD)
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【C8】A.exchangeB.incomeC.wasteD.increase
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【C8】A.sayingB.to sayC.speakingD.to speak