我们于１９９８—１９９９年在上海等５个城市对当地的低保对象进行了问卷调查，在食品的消费方面，调查结果给我们提供了这样的信息：５城市贫困家庭每星期吃肉的天数平均在１—２天。一星期中不沾荤腥的家庭上海没有；重庆是１１％；而武汉和天津分别要占４２％和４５％；兰 In 1998-1999, we conducted a questionnaire survey on local minimum living subsistence allowances in five cities including Shanghai. In terms of food consumption, the survey provided us with the following information: 5 average number of days of eating meat per week in poor urban families In 1-2 days. Week in the non-stick Hunxing family did not Shanghai; Chongqing is 11%; while Wuhan and Tianjin, respectively, 42% and 45%; blue