Do you have to carry a heavy bag to school? Does it make your back (背部) hurt? Well, students at a high school in Kansas (堪萨斯州), America, have a meeting with their city’s mayor（/meM/市长） to complain (抱怨) about their heavy bags. They say their bags are giving them headaches, and making their necks (脖子) and backs hurt. The mayor says he is very sorry. He says students may do more of their homework on the Internet (国际互联网) to give their back a rest.
【小题1】A heavy bag may make students ＿＿.