人教版八年级上册英语第二单元知识点梳理

1、人教版八年级上册英语第二单元知识结构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 , three times

2、a week , every day.【应掌握的词组】1. go to the movies去看电影2. look after = take care of照顾3. surf the internet上网4. healthy lifestyle健康的生活方式6. keep healthy=stay healthy保持健康7. exercise=take(much)exercise=do sports锻炼 8. eating habits饮食习惯9. take more exercise做更多的运动 10. the same as与什么相同11. be different from不同 12.

3、once a month一月一次13. twice a week一周两次 14. make a difference to对什么有影响15. how often多久一次16. although = though虽然17. most of the students=most students18. shop=go shopping=do some shopping购物19. as for至于20. activity survey活动调查21. do homework做家庭作业22. do housework做家务事23. eat less meat吃更少的肉 24. junk food垃圾食物2

4、5. be good for对什么有益 26. be bad for对什么有害27. want to do sth想做某事 28. want sb to do sth想某人做某事29. try to do sth尽量做某事30. come home from school放学回家31. of course = certainly = sure当然 32. get good grades取得好成绩33. some advice 34. hardly=not nearly / almost not几乎不35. keep/be in good health保持健康 36.be stressed ou

5、t紧张的，有压力的37. take a vacation去度假 48.get back回来【应掌握的句子】1. How often do you exercise?你（你们）多久锻炼一次身体？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, onc

6、e a week , twice a month , three times a month , three or four times a month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 themovies. What does she usually do on weekend

7、s? She sometimes gohiking. 3. “Whats your favorite program?” “Its 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。 A

8、s for the story，youd better not believe it.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

9、want to go to the movies with me？你想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。7.

10、How many hours 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

11、: Youd 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 lifestyle the

12、 same as your lifestyle or is her lifestyle different from yours? be the same as / be different 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 healthy16. 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17. That sounds interesting.这是“主语+系动词+表语”结构的简单句。sound（听起来），