问题
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The difference between the cost and selling price is usually the__________.A.advantage###S
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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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There is a rosebush near the fence and it is very beautiful.(英译中)
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The current name of the U.K. is short forA.the United Kingdom of Great Britain and Ireland
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How does Sampras view the current ATP schedule?A.It is harder and tougher than in his prim
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The easiest way to anchor a vessel in a current is to ().A.Stem the current and make very
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