The speech delivered by the mayor of Shanghai on the opening ceremony of the World’s Swimming championship left me a deep ___________．A.expressionB.permissionC.opinionD.impression
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D解析名词词义辨析题。A．expression “表情”B．permission“允许”C. opinion“观点”D．impression“印象”。短语leave an impression 意为“留下印象”所以选D。