Unit 1
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 skateboarding 去划板
6. (be) in good health
=（be）healthy身体健康
7. keep healthy
=keep in good health 保持健康
8. as for至于
9. take/do exercise=play/ do sports锻炼,做运动
10. eating habits 饮食习惯
11. the same as 与……相同
12. once a month一月一次
13. be different from 不同
14. twice a week一周两次
15. make a difference to 对什么有影响
16. how often 多久一次
17. although=though虽然
18. most of the students=most students大多数学生
19. activity survey活动调查
20. go shopping=do some shopping 购物
21. do homework做家庭作业
22. do housework做家务事
23. junk food垃圾食物
24. be good/bad for 对……有益(害)
25. on/at weekends 在周末
26. want to do sth=would like to do sth
=feel like doing sth 想要做某事
27. want sb to do sth
= would like sb to do sth想要某人做某事
28. try to do sth 尽量做某事
try doing sth.试着做某
try one’s best to do sth.尽力做某事
29. come home from school放学回家
30. of course=certainly=sure当然
31. get good grades取得好成绩
32. help sb （ to ）do sth 帮助某人做某事,
33. help sb with sth在某方面帮助某人
34. a lot of =lots of=many /much许多,大量