Unit2 How often do you exercise?

> 重点短语

1.help with housework帮助做家务

2.on weekends在周末

3.how often多久一次

4.hardly ever几乎从不

5.once a week每周一次

6.be free有空

7.go to the movies去看电影

8.use the Internet用互联网

9.swing dance摇摆舞

10.play tennis打网球

11.stay up late熬夜；睡得很晚

12.at least至少

13.have/take dance and piano lessons上舞蹈课和钢琴课

14.go to bed early早点睡觉

15. play sports=do sports进行体育活动

16. be good for对...有好处

17.go camping去野营

18. not...at all一点儿也不......

19.in one's free time在某人的业余时间

20.the most popular最受欢迎的

21.such as比如；诸如

22.old habits die hard积习难改

23.go to the dentist去看牙医

24.more than多于；超过

25.the answers to the questions 问题的答案

26.junk food n.垃圾食品；无营养食品

27.the best way to do sth.做某事的最好方式

28. with the help of .... 在...的帮助下

29. fifteen percent 百分之十五

> 习惯用法、搭配

1. help sb. with sth 在某方面帮助某人；帮助某人某事

　help sb (to) do sth. 帮助某人做某事

　Eg: He helps me ________my English .

A. to B. for C. with D. in

He helps me _________(do) my homework.

2. How about doing...?=what about doing ......怎么样？/ ....好不好？委婉语气。

Eg: What about _______(go) shopping with me on weekends?

3. want sb. to do sth. 想让某人做某事

I want my mother _______(buy) a computer for me.

4. spend time with sb. 和某人一起度过时光

　Eg: I spent my summer vocation with my parents in Lijing.

补充：spend +时间/金钱 on sth 花费时间或金钱在某物上

spend +时间/金钱 (in) doing sth 花费时间或金钱做某事

Eg: I spent one hour ______ my homework. In other words, I spent one hour _______my homework.

A. on ; doing B. on; to do C. in; doing D. in; to do

8. ask sb. about sth. 向某人询问某事

ask sb. for help 向某人寻求帮助

ask sb. to do sth. 要求某人做某事 ask sb not to do sth. 要求某人不要做某事

9. by doing sth. 通过做某事

Eg: I learn English by ________(watch) English movies.

10. What's your favorite.....? 你最喜欢的......是什么？

What's your favorite book?你最喜欢的书是什么？My favorite book is ......

11. start doing sth. 开始做某事