分母是8的最简真分数有____。
围绕"生活的变化"这个话题，李华所在的英语社团对其成员进行了一次调查。下面是李华填写的调查表，请你根据表格内容写一篇80词左右的英语短文，介绍李华生活的变化。
In the past
Now
liked fast food
likes healthy food
didn't like sports
likes sports
took a bus to school
walks to school
often ill
in excellent condition
我们常常在街上，随处见到一些销售商在柜台写“打折商品概不退换”等字样，概不退换商家的行为侵犯了消费者的.（ ）
