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1、Unit 2 How often do you exercise知识点1. How often do you exercise? How often +助动词do(does或did) +主语+ do sth.? how often / how long / how soon / how farhow often:“隔多久一次”，频率，答语常用often, never, twice a week（用于一般现在时或一般过去时）how long: 1)“（延续）多长时间”，回答用for时间段或since时间点。（各种时态）；2)询问物体的长度。 How long is the Yellow Rive
2、r? How long have you learned English? I have learned itfor 5 years.how soon:“还要多久才，多久以后”，答语常用“in时间段”。（用于一般将来时） How soon will she come back? Shell come backin an hour.how far:“多远”，询问距离。 How faris it from your home to our school? Its2 kilometersaway2. What do you usually doonweekends? 第一个do为助动词, 第二个do
3、则是实义动词3. look after=take care of4. surf the internet5. healthy lifestyle6. go skateboarding7. keep healthy=stay healthy= keep in good health=be in good health keep +形容词表保持某种状态8. exercise= take/do (much/more) exercise=do sports9. eating habits10. Is her lifestylethe same asyours or different? Is her
4、lifestylethe same asyour lifestyle or is her lifestyledifferent fromyours? His mark is the same as mine.11. make a difference to对什么有影响 As teachers, I believe that I can make a difference to the lives of my students.12. how often how many times 13. most of the students=most students14. go shopping=do
5、 some shopping15. As forhomework , most students do homework every day . as for.常用于句首，其后跟名词、代词或动词的-ing形式（即动名词） As for him，I never want to see him here16. eat less meat17. be good/bad for +名词、代词或动名词118. want (sb. ) to do sth. ask sb. to do sth. tell sb. to do sth. help sb. (to) do sth.19. try to do s
6、th. try doing sth.20. come home from school21. of course=certainly=sure22. get good grades23. some advice advice 是不可数名词 a piece of advice 一则建议 give advice 提出建议 take ones advice 采纳或听从某人的建议24. Good food and exercise help me to study better. better是well的比较级，而不是good的比较级 help sb to do sth =help sb with sth25. the result of a survey26. That sounds interesting.“主语+系动词+表语” sound（听起来），look（看起来），smell（闻起来），taste（尝起来），feel（觉得），seem（好象），grow（变得）,get（变得）等词在英语中可用作系动词，后跟形容词作表语
