问题
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__________ the help of their group,we would not have succeeded in the investigation.A.Besi
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When in operation, it is unavoidable that a small amount of oil _____ through leakage, and
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It was in that small room ______ they worked hard and dreamed of better days to come.A.whe
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The success of small businesses lies in ______.A.innovationB.uncertaintyC.original ideasD.
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Thousands of workers in the small town are______since the car factory has closed down.A.id
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Small crack in the crankshaft bearing surface of a diesel engine are an indication of____.
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