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一、单项选择题1.受北方15省区干旱的影响,南京市的粮价小幅上涨。原来每斤1元8角的面粉,2008年2月15日涨到每斤1元9角。面粉的价格是由()
First, a single multiple choice questions 1. Affected by the drought in northern 15 provinces and cities, Nanjing's food prices rose slightly. The original 8 yuan per catty 1 yuan of flour, February 15, 2008 rose to 1 yuan per catty 9 angle. The price of flour is ()