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1、精品文档 . 人教版八年级上册英语第二单元知识点梳理 How often do you exercise? 【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 , t
2、hree times a week , every day. 【应掌握的词组】 1. go to the movies 2. look after = take care of 4. healthy lifestyle 3. surf the internet 6. keep healthy=stay healthy 7. exercise=take(much)exercise=do sports 8. eating habits 9. take more exercise 10. the same as 11. be different from 12. once a month 13. t
3、wice a week 14. make a difference to 15. how often 16. although = though 17. most of the students=most students 18. shop=go shopping=do some shopping 19. as for 20. activity survey 21. do homework 22. do housework 23. eat less meat 24. junk food 25. be good for 26. be bad for 27. want to do sth 精品文档
4、 . 28. want sb to do sth 29. try to do sth 30. come home from school 31. of course = certainly = sure 32. get good grades 33. some advice 34. hardly=not nearly / almost not 35. keep/be in good health 36.be stressed out 37. take a vacation 去度假 48.Get 【应掌握的句子】 1. How often do you exercise? 你（你们）多久锻炼一次
5、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 , twice a month , three times a month , three or four times a month
6、等。 2. “What do you usually do on weekends? ” “ I usually play soccer. ” “周末你通常做什么？”“我通常踢足球。” 第一个 do 为助动词 , 在这起帮助构成疑问的作用；而第二个 do 则是实义动词。 翻译： What do you usually do on weekends? I often go to the movies. 精品文档 . What does she usually do on weekends? She sometimes go hiking. 3. “Whats your favorite prog
7、ram?” “It s Animal World.” =What program do you like best? “ 你最喜欢什么节目？”“动物世界。” 4. As for homework , most students do homework every day . as for.意思是“至于；关于”，常用于句首作状语，其后跟名 词、代词或动词的 -ing 形式（即动名词）。如：As for him， I never want to see him here. 至于他，我永远不希望在这里见到。 As for the story ，youd better not believe it.
8、关 于那故事，你最好不要相信。 翻译：至于我自己，我现在不想去。(As for myself, I dont want to go now. ) 至于那个人，我什么都不知道。(As for the man, I know nothing about him.) 5. Mom wants me to get up at 6:00 and play ping-pong with her . want to do sth. 意思是“想要做某事”； want sb. to do sth.意思是“想要某人做某事”。如： Do you want to go to the movies with me？你想
9、和我一起去看电影吗？ The teacher doesnt want us to eat hamburgers.老师不想让我们吃汉堡 包。 6. She says its good for my health. be good for.表示“对有益（有好处）”; 其反义为： be bad for.。 （这里 for 是介词，后跟名词、代词或动名词） 如：Its good for us to do more reading. 多读书对我们有好处。 Reading in bed is bad for your eyes.在床上读书对你的眼睛有害。 精品文档 . 7. How many hours
10、do you sleep every night? 8. I exercise every day , usually when I come home from school . 9. My eating habits are pretty good . 这里 pretty相当于 very 。 10. I try to eat a lot of vegetables , usually ten to eleven times a week . try to do sth.表示“尽力做某事”，不包含是否成功的意思而 try doing sth.表示“（用某一办法）试着去做某事”。 如: You
11、d better try doing the experiment in another way. 你最好试试用另一种方法做这个试验。 11. My healthy lifestyle helps me get good grades. help sb.(to) do sth.帮助某人做某事 12. Good food and exercise help me to study better. 这里 better是 well 的比较级，而不是good 的比较级 13. Is her lifestyle the same as yours or different? Is her lifesty
12、le the same as your lifestyle or is her ifferent from 14. What sports do you play ? 15. A lot of vegetables help you to keep in good health . keep in good health = keep healthy = stay healthy 16. You must try to eat less meat . try to do sth.表示“尽力做某事” , 不包含是否成功的意思 ,less是 little的比较级 that sounds interesting. 精品文档 . 17.这是“主语 +系动词 +表语”结构的简单句。 sound（听起来）， look （看 起来）， smell
