八年级上册各单元重点知识归纳和练习巩固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 16. although = though 虽然 17. most of the students=most students 18. shop=go shopping=do some shopping 购物19。 as for 至于 20。 activity survey 活动调查 21. do homework 做家庭作业22. do house work 做家务事 23. eat less meat 吃更少的肉 24. junk food 垃圾食物 25. be good for 对什么有益 26。 be bad for 对什么有害27. want to do sth 想做某事 28. want sb to do sth 想某人做某事29。 try to do sth 尽量做某事 30。 come home from school 放学回家31. of course = certainly = sure 当然 32. get good grades 取得好成绩 33。 some advice 34. hardly=not nearly / almost not 几乎不35. keep/be in good health 保持健康 36。be stressed 紧张的，有压力的37。 take a vacation 去度假48。get back 回来Section A1. How often 多久(一次)How often do you exercise？ 你多久锻炼一次身体?How often does your mother go shopping? 你妈妈多久购一次物?【区别】How often 和 How many times① How often 用来提问某个动作间隔多久发生一次，即询问动作发生的频率。通常对一些表示频率的副词进行提问；也可以对频度短语进行提问.② How many times 意思是“多少次”，是用来提问做某事的次数的，往往就 once, twice, three times 等词语进行提问。典型例题:1）Li Ming does his homework every day。 （就划线部分提问)→How often does Li Ming do his homework?解析:every day 属于频...
