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A.to chase the thieves if it is safe.B.to use credit cards as much as possible.C.to be
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When centrifuging heavy fuel oil, an important factor to consider is the _____(1) flow rat
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What is the purpose of the research on Dead Sea?A.To uncover layers of ecological history.
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The book is dead. Technology has killed it. The libraries of the world are dooming to bec
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A sustainable transportation system is one that is safe, capable and friendly to the envir
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The chemical is deadly to rats but safe t
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