问题
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When current and voltage reach maximum values at the same time, the power factor is .A.min
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The figure that the volume of air at BD.Cis divided by the volume of air at TDC is termed
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Japanese firms have achieved the highest levels of manufacturing efficiency in the world a
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How many employees does the manufacture have?A.15B.50C.55
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Mr. White ______ at 8:30 for the meeting but he didn show up.A.should have arrivedB.sho
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阅读理解。 In cities with rent control the city government sets the maximum rent that a landlord can
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