一、相关背景资料《:“三无食品”扎堆小学门口》:昨天,家住合肥市××路附近的常先生向记者投诉称:他正在上学的儿子在学校旁边买了一袋豆腐丝吃了,回家不久后就闹肚子。记者立即赶到省城许多中小学门前暗访,结果发现这些门前小店生意非常红火,但所零售的小食品存在严重的卫生 I. Related background information: “Three non-food” gathering at the entrance to the elementary school: Yesterday, Mr. Chang, who lives near XX Road in Hefei City, complained to reporters that the son he was attending school had bought a bag of bean curd next to the school. , soon after going home to stomach. The reporter immediately rushed to the unannounced visits to many primary and secondary schools in the provincial capital. As a result, it was discovered that the business in front of these shops was very prosperous, but the retail foods were seriously ill.