题目内容：

根据短文意思和所给首字母，写出一个完整正确的单词。

Many schools in China have snack shops on campus. Students can go there to buy snacks.

H1., it has become a thing of the past. Our g2.has banned（禁止）snack shops in all schools across the country. The rule took effect on April 1.

This has caused a lot of discussion. Many students are sad about the ban. " W3.snack shops, school will be less interesting," a student in Hangzhou said. "But some of the snacks at the shops are cheap and of low quality, which make the students u4.," a parent said.

The rule also asks schools to keep an eye on s5.meals. Headmasters must eat with their students and give suggestions to improve food safety.