我校附近的群众大部分用煎饼为粮食,生水为饮料。学生往往把煎饼藏在书包里,带到学校里吃,吃渴了就喝生水,学校里时常发现肚子痛的学生,如去年五月十九日那一天,就有六个学生肚子痛。我校虽然也在群众集会时谈过好多次,但是一点效果也没有。群众说:“吃煎饼喝生水是我们的习惯,要扭转也是不 Most of the crowds near our school used pancakes as food and raw water for drinks. Students often put pancakes in school bags, brought them to school, drank raw water when they were thirsty, and students who often had stomach pains in schools were found on the day of May 19 last year, and six students had stomach pains. Although our school also talked many times during mass rallies, it did not do anything. The crowd said: "It is our habit to eat raw pancakes and to reverse it