Unit2 How often do you exercise? SectionA 杨雪韵一、教师寄语A bold attempt is half success.（勇敢的尝试是成功的一半）二、学习目标知识目标：Words:always, usually , often, sometimes , hardly , ever, never., once , twice ,Phrases:how oftenthree times a weekevery 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三、教学重、难点频度副词：always,usually,often,sometimes,hardly和never的应用疑问词how的用法四、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去滑板看电视做运动_购物看书.写出相应的頻度副词：2自主学习Pairwork.How often do you eat vegetables?Every day.ActivitiesHow ofena. go to the moviesEvery dayb. watch TVOnce a weekc. shopTwice a weekd. exerciseThree times a weeke.readOnce a weekTwice a week3合作探究.maybe / may be.The baby is crying,she is hungry.=The baby is crying, she _ hungry.The womana teacher .= _ the woman is 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,butpeople can live to 150. There istime left, I dont catch the first bus. Could you give memilk?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、hard / hardlyhard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”。. The ground is tooto dig. I canunderstand them. Its raining,the people cango outside.4拓展创新疑问词how的用法（1）怎样，用什么手段，方法。Howdidhedoit?Idontknowhowtoswim.（2）情况如何（指身体健康状况）Howareyou?HowsitgoingwithTom?（3）howmany，howmuch表示“多少”howmany后接可数名词复数，howmuch接不可数名词。Howmanytimesdoyougotothepark?Howmanyticketsdoweneed?How much water do we need every day?Howmuchare thosepants?（4）howoften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：Howoftendoyouplaytennis?Howoftendoyousurftheinternet.(5) How long. ?询问的是时间长短“多长时间”回答可以是：( for )About one hour./ ( for )Three hours. / ( for )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 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 stude