文档介绍：八年级英语上册知识点总结
Unit 2: How often do you exercise?
【复****目标】
会使用频率副词及短语;能描述课余时间的活动安排;会描述基本饮食结构。
【语言目标】
● What do you usually do on weekends?   I sometimes go to the beach.
● How often do you eat vegetables?     Every day
● Most students do homework every day.
【重点词汇】
●  always, usually , often, sometimes , hardly , ever, never.
●  how often, once , twice , three times a week , every day.
【应掌握的词组】
1. go to the movies 去看电影           
2. look after = take care of 照顾
3. surf the  上网                
4. healthy lifestyle 健康的生活方式
5. go skate boarding 去滑板      
6. keep healthy=stay healthy 保持健康
7. exercise=take(much)exercise=do sports锻炼 
8. eating habits 饮食****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 housework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  
stressed out紧张的,有压力的
37. take a vacation 去度假                   
back 回来
【应掌握的句子】
1.   How often do you exercise? 你(你们)多久锻炼一次身体?
How often + 助动词do(does或did) + 主语 + do sth.? 疑问词how often是问频率(多久一次),(在这里助动词do(does或did) 是起帮助构成疑问的作用)与一般现在时或一般过去时连用,回答一般是用表示频率的副词,如:once, twice, three times…, sometimes, often, quite, often, never, every day, once a week ,