第1个回答 2012-11-25
八年级上知识点总结 Unit 1: 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 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 5. go skate boarding 去滑板 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. 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 students 18. 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 25. 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 out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…, 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。 3. “What’s your favorite program?” “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，you'd better not believe it. 关于那故事，你最好不要相信。 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？你想和我一起去看电影吗？ The teacher doesn't want us to eat hamburgers.老师不想让我们吃汉堡包。 6. She says it’s 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：It's 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. 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: You’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 lifestyle the 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 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 17. That sounds interesting. 这是“主语+系动词+表语”结构的简单句。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。如： It tastes good. 这味道好。 The music sounds very sweet. 这音乐听起来很入耳。 The smoke grew heavier and heavier. 烟雾变得越来越浓了。 【词语辨析】 maybe 是副词，意为“大概， 可能，或许”，一般用于句首。May be是情态动词，意为“可能是..，也许是..，大概是..”. a few (少数的，几个，一些)a little (一点儿，少量) 表示肯定 few (很少的，几乎没有的)little (很少的，几乎没有的) 表示否定 修饰可数名词 修饰不可数名词 none指人或物，强调数量，用how many提问，常与of连用。no one 多指人，强调“无人”这种状态，用who提问，不可与of连用，作主语时，其谓语动词用第三人称单数形式。 hard作形容词，意为“困难的，艰苦的，硬的”；作副词，意为“努力地，猛烈地”。Hardly意为“几乎不”。