精选优质文档-倾情为你奉上八年级上册：Unit 11.how often 多久一次 2.hardly ever 几乎不 3.as for 至于 4.junk food 垃圾食品5.a lot of 许多 6.of course 当然 7.look after 照顾8.do exercise 锻炼9.make a difference 有区别有重要性 10.surf the Internet 浏览因特网11.Animal World 动物世界 12.do homework 做家庭作业13.a healthy lifestyle 健康生活方式 14.get good grades 获得好成绩15.get up 起床 16.keep in good health 保持健康 17.once or twice a week 每
