人教版八年级英语上册第一单元.doc

Unit 1 How often do you exercise？教学设计一、学习目标知识目标：Words: always, usually , often, sometimes , hardly , ever, never., once , twice ,Phrases: how often three times a week every day. twice a weekSentences: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.能力目标: 会使用频率副词及短语；能描述课余时间的活动安排；情感目标: 培养学生良好的学习和生活习惯二、教学重、难点频度副词：always, usually, often, sometimes, hardly和never的应用疑问词how的用法三、学习过程1预习导学或自测.Look at the picture (学生识图).What do you usually do on weekends? I sometimes go to the beach.I sometimes 去滑板看书 看电视 做运动 购物 2自主学习Pairwork.How often do you eat vegetables?. 看图写出相应的頻度副词：Every day. ActivitiesHow ofen a. go to the moviesEvery day b. watch TVOnce a week c. shopTwice a week d. exerciseThree times a week e.readOnce a week Twice a week3合作探究.maybe / may be.The baby is crying she is hungry.The woman a teacher .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 / few / a little / little. people can live to 100,but people can live to 150. There is time left, I dont catch the first bus. Could you give me milk? 表示肯定a few (少数的，几个，一些) a little (一点儿，少量)表示否定few (很少的，几乎没有的)修饰可数名词 little (很少的，几乎没有的)修饰不可数名词、hard / hardly. The ground is too to dig. I can understand them. Its raining ,the people can go outside.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”。4拓展创新 疑问词how的用法（1）怎样，用什么手段，方法。 How did he do it?I dont know how to swim.（2）情况如何（指身体健康状况） How are you? Hows it going with Tom?（3）how many，how much表示“多少”how many后接可数名词复数，how much接不可数名词。How many times do you go to the park?How many tickets do we need?How much water do we need every day?How much are those pants?（4）how often是对动作发生的“次数”提问,询问的是频率“多久一次”回答可以是：Every day./ Once a week./Three times a week./ Often./ .eg：How often do you play tennis?How often do you surf the internet.(5) How long. ? 询问的是时间长短“多长时间”回答可以是：About one hour./ Three hours. / Thirty minutes./. How long do you usually watch TV? 你通常看多长时间电视？5. 梳理归纳 Section A 词组归纳：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 去划板 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 house work做家务事23. eat less meat吃更少的肉 24. junk food垃圾食物6达标检测 根据句意填词.1.How o_ do you come to school late? Never.2. Farmers milk some m _from cows.3. J_ food isnt good for your health.4. Do you have a healthy lifestyle if you e_ every day?5. I eat fruit three t_ a week.6. Does he drink juice every morning? No, hardly e_.7. Here is a program, you may find out the r_.8. We are in Class 1, G_ 2.9. My father is very busy. He only plays basketball o_ a week.10. I cant do it by myself. Can you h_ me?五、典型例题解析 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, once a week , twice a month , three times a month , three or four times a month 等。翻译：你们多久到工厂去一次？每星期两次。 ? 他多久去购一次物？”“一个月一次。 ? 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：周末你通常做什么？我通常看电影。 ？ 周末她通常做什么？她通常看远足。 ？ 3. “Whats your favorite program?” “Its Animal World.” “你最喜欢什么节目？” 4. As for homework , most students do homework every day . as for.意思是 ，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. 翻译：至于我自己，我现在不想去。 六、中考链接 1. _ do you have an English party? Once a month.（北京） A. How old B. How far C. How often D. How long解析：选项A和B分别用来询问年龄和距离，选项C和D用来对时间提问，但how often.？常用来对时间的频率进行提问，即“多长时间做一次”，其答语常为频率副词及频率短语Once/ Twice a week / month等。how long.？则用来提问时间有多长，答语常为表示一段的时间。如two weeks, more than a month等。选C。2.An apple a day is good _ your health.（南通） A. at B. for C. in D. with解析：题意为“一天一个苹果对你的健康有益。”表示“对有益（有好处）”要用be good for.结构，其中的介词for为固定搭配。选B。