The speech delivered by the mayor of Shanghai on the opening ceremony of the World’s Swimming championship left me a deep ．
A. expression
B. permission
C. opinion
D. impression
网友回答
A. expression
B. permission
C. opinion
(答案→)D. impression
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。