高中英语 Unit 2 Healthy eating The third period教案 新人教版必修3.doc

2012高一英语教案：unit 2 healthy eating the third period （新人教版必修3）一内容及其解析1. 内容： “阅读”(reading)部分介绍的是一篇关于“饮食习惯”的文章。文章从传统饮食习惯的改变，学习本文的目的是让学生重新审视自己、审视食物， 提高养成健康饮食习惯的意识，同时通过对该文章的阅读丰富有关这个主题的语言和信息。2. 解析：在阅读文章前设置一些以阅读内容关系密切的问题。 可以启发学生预测课文的内容.让学生形成整体来处理,通过上下文来学习词汇和语法,应用各种方法来理解课文,提高阅读技能.读完后还应通过一些题目来检测对课文的理解与否. 二目标及其解析1.目标 (1) 提高运用阅读策略预测课文内容和获取课文主要信息的能力；(2) 形成自主学习，合作学习和探究学习的意识。2.解析 能够采用各种阅读技巧提高学生的阅读能力 能够掌握文中的词汇，句型，语法现象。三教学问题诊断分析课文有本单元要学的大部分生词,短语.句子以及语法这些都是阻碍学生理解课文大意的,教师应鼓励学生猜测然后再看生词表.阅读时画下自己不懂的句子,语法等四.教学支持条件分析利用图片和录音机从听觉，视觉上激起学生学习兴趣 五.教学过程设计（一）教学基本流程 读前 快速阅读细读 读后小结（二）教学情景“读前”(pre-reading)部分设计了四个和健康饮食有关的问题，引导学生互相交流饮食喜好和对健康饮食的理解，激发阅读的欲望，为下一步的“阅读”自然地打下铺垫。step one: pre-reading1. language input：no longer， keep up with, had better, make the right choices, base on, keep a balanced diet, lose weight, go on diets, keep fit2. questions:1.how many meals do you eat every day? 2. which meal do you think is the most important? why?3.what kind of snacks do you eat?4.which of the following gives you the most energy :a banana, a soft drink ,a bar of chocolate?设计意图: 可以启发学生预测课文的内容师生活动:教师提问,学生讨论,教师整理steptwo: reading1.scanning ask the ss to listen to the tape while looking at the sentences on the screen, making a decision about whether the following statements are true or false.1. choosing what to eat is an easy thing . (f)2traditional diets have a lot of fat and calories for 21st-century person. (t)3protein is good for our bones. (f)4we can get carbohydrates and fuel from rice. (t)5although vegans do not eat any animal products at all, they still eat some yoghurt or eggs. （f）6organic vegetables contain some chemicals which is bad for peoples health (f)7.we can get some information about what we can eat from magazine or tv. (t)设计意图: 快速阅读培养学生获取课文主要信息的能力.师生活动: 教师提问学生回答. 2.:. skimmingask the ss to read the passage more carefully and find the topic sentence for each paragraph. para 1：（choosing what to eat is no longer as easy as it once was） . para 2：（when we choose what to buy and eat，we had better think if the food will give us the nutrients we need） para 3：（ many people today make choices about their eating habits based on what they believe） para4：（it is probably better if we spend our time and money on buying good food and keeping a balanced diet。） . para 5：（the best way to make sure that we will feel and look fine is to develop healthy eating habits）设计意图:加深对文章的理解师生活动: 教师提问学生回答.3. reading aloud play the tape and ask the ss to read along in a loud voice.stepthree: post-reading ask the ss to discuss the following questions in groups:.questions: 1. how have our eating habits changed? why? try to think of as many examples and reasons as possible.2. list the examples and the reasons why people eat or dont eat certain kind of food.3. why do people go to fast food restaurants?4. why is it not good to eat too much sugar and fat? 5. why are crash diets and supplements so popular?6. shall we follow the advice that many companies and stores offer?7. what can we do to keep a balanced diet?设计意图:检测学生对文章的理解程度并能发表自己的见解,提出解决问题的办法. 师生活动: 教师提问学生回答.step four: interviewthis is individual work. ask the students to scan the text and fill in the following form. the students should finish the work independently.three minutes later, check the answers with the whole class.（参考答案） foodfish, meat and beansnutrientproteinfunctiongood for muscleseggs, milk and other dairy productscalciumgood for bones and teethbread, rice and noodlescarbohydrateshelp keep body functioning wellvegetables, fruit, fish and drinking milkvitaminshelp body fight disease 设计意图: 回顾文章内容形成整体概念师生活动: 教师引导，学生合作完成，达到师生互动的目的.step five: 目标检测：word spelling(单词拼写)1.ive got a terrible p_ here.ouch!2.the two nurses are very kind and patient.they look after their p_ very carefully.3.we must be careful with our diet if we want to keep up with the high p_ of modern life.4.vegetables are good because they contain plenty of v_.5.when playing football,you might be using 400_(卡)an hour.设计意图：通过做题熟练掌握重点词汇的应用和拼写。单词拼写（参考答案）1.pain2.patients3.pace4.vitamins5.caloriesstep six: summarysummarize the passage and ask the ss to retell the story. 设计意图：回顾文章内容形成整体概念师生活动：教师提问学生回答。配餐作业：一 基础题（a组题）1.听写学习目标中的重点词汇设计意图：熟练掌握文中的重点词汇，（参考答案：）（1. keep up with 2. now and then 3. make a choice 4. be good for 5. in that way6. such as 7. be ready for 8. base on 9 . be careful with 10 . keepfrom(doing sth)11. gain weight 12. choose from 13. be wrong with 14 .tgiveadvice 15. inamount16 be nervous about 17 plenty of 18 a little bit 19 lose weight 20 even if21. instead of 22. a bar of 23 . keep sb doing 24. make sure 25 . keep fit 26. in the right order）1. 阅读“dont be a mouse potato” on page74 and do exercises （答案见教参）设计意图：增强有关饮食文章的阅读能力二.巩固题 (b 组题)阅读理解：abecause of the fast pace of american life, many family do not have time to have dinner together at the family table every evening. many women have jobs. they dont always have time to make dinner, or they dont want to1.5. which is not true according to this passage?a. fast food is cheap in america. b. many fast restaurants are in america. c. driver can never go into the fast food restaurants. d. driver neednt get off to buy fast food. ba long time ago men hunted for their food.often they killed wild animals,birds,or fish.how did they kill the beasts? they used rocks and wooden sticks.5.this passage seems to show us that the general_.a.liked to make jokes on his soldiers b.liked testing his soldiersc.liked crying in the battle fields d.liked the world to be peaceful设计意图：增强文章的阅读理解能力参考答案：（a篇 1-5 ddacc b篇 15 bacdd ） .提高题(c 组题)完型填空：todd was working at his gas station(加油站)at night when he heard