问题
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【C3】A.chooseB.makeC.allowD.distinguish
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【C4】A.distinctnessB.distinctivenessC.distinctionD.distinguish
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A () is a recognizable sign, design or expression which distinguishes products or ser
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【C5】A.alterB.differC.shiftD.distinguish
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The distinguishing feature of a fluid in contras
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What is a pidgin and how may it be distinguished