Unit 1 How often do you exercise？
9. take more exercise 做更多的運動 10. the same as 與什么相同
11. be different from 不同 12. once a month一月一次
13. twice a week一周兩次 14. make a difference to 對什么有影響
15. how often 多久一次 16. although = though雖然
17. most of the students=most students 18. shop=go shopping=do some shopping 購物
19. as for至于 20. activity survey活動調查
21. do homework做家庭作業 22. do house work做家務事
23. eat less meat吃更少的肉 24. junk food垃圾食物
6.達標檢測 根據句意填詞.
1.how o_________ do you come to school late? never.
2. farmers milk some m _________from cows.
3. j________ food isn’t good for your health.
4. do you have a healthy lifestyle if you e_________ every day?
5. i eat fruit three t_________ a week.
6. does he drink juice every morning? no, hardly e_________.
7. here is a program, you may find out the r_________.
8. we are in class 1, g_________ 2.
9. my father is very busy. he only plays basketball o______ a week.
10. i can’t do it by myself. can you h_________ me?
五、典型例題解析
1. how often do you exercise? 你（你們）多久鍛煉一次身體？
how often + 助動詞do(does或did) + 主語 + do sth.? 疑問詞how often是問頻率(多久一次),（在這里助動詞do(does或did) 是起幫助構成疑問的作用）與一般現在時或一般過去時連用，回答一般是用表示頻率的副詞，如：once, twice, three times…, sometimes, often, quite, often, never, every day, once a week , twice a month , three times a month , three or four times a month 等。
翻譯：
你們多久到工廠去一次？每星期兩次。 ?