八年级上册知识点学习与巩固Unit 1 How often do you exercise?词组1. go to the movies 去看电影 2. look after = take care of 照顾3. surf the internet 上网 4. healthy lifestyle 健康的生活方式5. go skate boarding 去划板 6. keep healthy=stay healthy 保持健康7. exercise=take(much)exercise=do sports锻炼 8. eating habits 饮食习惯9. take more exercise 做更多的运动 10. the same as 与什么相同 11. be different from 不同 12. once a month一月一次13. twice a week一周两次 14. make a difference to 对什么有影响 15. how often 多久一次