Dangerslikestampedes(踩踏),foodpoisoning(食物中毒)andfiresca...
问题详情： Dangerslikestampedes(踩踏),foodpoisoning(食物中毒)andfirescanhappenanywhereatanytime.Whenthesethingshappen,whatshouldwedo?Herearesomesuggestionsonhowtopreventastampede.Afterclassorschool,don...