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仁爱版英语八年级上册Unit 2 keeping healthy教
案
Unit2keepinghealthy
Topic2Imustaskhimtogiveupsmoking
SectionC
（仁爱版初中英语八年级上册）
【摘要】本节课是本单元第二个话题的第三节课，本节课主要通过一篇短文引出不良的习惯，会引发各种疾病，又通过介绍细菌的传播过程，教育学生养成良好的卫生习惯，即锻炼了学生的阅读能力，又提高了学生口语交际能力。
【关键词】Headaches、germs、should、must
【教材分析】本单元的核心话题是谈论健康，此话题与日常生活息息相关，充分体现了[[英语课程标准]]中所提出的“让学生通过感知，体验，实践，参与合作等方式，感受成功。
在过程中进行情感和策略调整，以形成积极的学习态度，促进语言交际运用能力的提高
教材地位及作用
本节课是本单元第二个话题的第三节课，本节课主要通过短文Headaches 引出不良的习惯，会引发各种疾病，又通过介绍细菌的传播过程，教育学生养成良好的卫生习惯，即锻炼了学生的阅读能力，又提高了学生口语交际能力。
教学目标
1.语言知识目标
(1).学习词汇：。
仁爱英语八年级上册教案设计Unit 2 Keeping HealthyTopic 2 I must ask him to give up smoking.Section CⅠ. Material analysis本课时的主要活动为1a和2。
课文中几个妈妈要求各自的孩子吃健康的食物，让学生们在明白要健康饮食的同时，归类学习了表示食物的名词。
针对Danny的一日三餐，让学生们学会自己辨别哪些食物是健康的，哪些食物是不健康的，并对不健康的饮食提出合理的建议，巩固了对食物名词的学习。
Ⅱ. Teaching aimsKnowledge aims：1. 能归类学习表达食物的名词：Vegetables: tomato, cabbage, potato, pumpkinMeat: beef, chicken, fish, eggFruits: strawberry, apple, banana, pear, orange, grape, watermelonStaple: wheat, riceDrink: juice, honeyFast food: biscuit, potato chips, hamburger, sandwich, moon cakeSweets: ice-cream, candy, chocolate2. 能正确地运用下列短语对食物的健康与否进行描写：eat too much salt, cause illness, be weak, a healthy drink, drink a glass of milk, eat many vegetables, keep…healthy, be on one’s plate, be deliciousSkill aims：1. 能听懂有关食物名词的对话或文章。
2. 能用英语熟练的说出已学过的各种食物的名称。
3. 有兴趣读并且能读懂有关食物类的文章。
Unit2 Topic2 SectionB优质课教案主讲教师：林海燕指导教师：林晴晖I. Material analysis:本课时的主要活动为1a, 3a和3b。
本课就吸烟这个坏习惯展开讨论，呈现了本单元语法重点：情态动词must+动词原形：I must ask him to give up smoking.表示建议、劝告。
同时巩固了动名词做主语的句式：Smoking is bad for his health.通过学习Section B，让学生能够辨别好习惯与坏习惯，并能帮助亲人戒掉坏习惯。
课后要求学生会用动名词做主语造句，能用must提建议。
Ⅱ. Teaching aims and demands1. New wordsarticle, smoke, cancer, even, energy, necessary, active2. Phrasesread in the sun, be bad for…, an article about smoking, in the newspaper, help him relax,the article says, cause cancer, ask sb. to do sth., give up sth./doing sth., show sth.to sb.3. Useful expressions(1)I'm reading an article about smoking in the newspaper.(2)He thinks smoking can help him relax.(3)The article says smoking is bad for our lungs and it can even cause cancer.(4)I must ask him to give up smoking.4. Modal verbmust and mustn’t5. Skill aims(1)Talk about good habits and bad habits.(2)Learn to use modal verb must and mustn’t correctly.(3)Learn to use intonation to read the dialogue correctly.6. Emotional aims:Learn to keep good habits and give up bad habits.Ⅲ. The key points and difficult points1. Key points(1)Learn to use modal verb must and mustn’t correctly.(2)I must ask him to give up smoking.2. Difficult pointsLearn to use gerund as subject correctly.Ⅳ. Learning strategies1.通过图片教学和句子翻译记忆词汇。
Unit 2 Topic 2 I must ask him to give up smoking.Section B【教学构思】一、教材分析：本课属于课标话题人与自我——“卫生与健康(Hygiene and health)”中个人卫生(Personal hygiene)项目，主要谈论吸烟这个坏习惯，学会如何养成良好习惯，保持健康。
本课属于课标功能意念表“社会交往(Social communications)”中建议(Suggestions)、劝告(Advice)项目，主要学习辨别好习惯与坏习惯，并能帮助亲人戒掉坏习惯。
主要教学活动为1a和3a，3b。
本课就吸烟这个坏习惯展开讨论，呈现了本单元语法重点：情态动词must + 动词原形：I must ask him to give up smoking. 表示建议、劝告。
同时巩固了动名词做主语的句式：Smoking is bad for his health. 通过学习Section B, 让学生能够辨别好习惯与坏习惯，并能帮助亲人戒掉坏习惯。
引导学生学会用动名词做主语造句，并能用must提建议。
二、设计说明：根据学情和本课的语法及话题，本节课的教学设计将听与说相结合，基于1a对话，通过听说练习内化知识；在语言生成阶段，循序渐进，帮助学生巩固知识。
本课在重、难点突破的方法上有所创新，教师通过设计pair work，引导学生领会课文知识，通过句子编写，锻炼学生综合运用所学知识的能力。
【教学目标】1.能听懂有关影响健康的好习惯和坏习惯的话题，学会以“听”的方式理解语言意义；2.能熟练地运用must, mustn’t提建议，学会恰当选用交际方式，关注语言得体性；3.能正确朗读有关影响健康的好习惯和坏习惯的对话或文章，构建语言意识，提升“说”的语言能力；4.能正确辨别/ ʌ /，/ ɑ: /和/ ɒ /的发音和朗读时连读现象，发展学生多元学习策略，提升学习力。
Ⅰ. Teaching aims and demands 教学目标1. Learn some useful words and expressions:disease, body, illness, empty, stomach, human, through, sour, tidy, sweep2. Learn modals for giving advice and modals for necessity:(1)We should keep the air clean and fresh.(2)We shouldn’t drink sour milk.(3)We must keep our streets clean.3. Talk about personal hygiene:(1)We should tidy our bedrooms and sweep the floors often.(2)We must keep the air clean and fresh.(3)We must wash our hands before meals.Ⅱ. Teaching aids 教具录音机/图片/多媒体课件Ⅲ. Five-finger Teaching Plan 五指教学方案Step 1 Review 第一步复习(时间:15分钟)1. (让学生讨论哪些是好的生活习惯，哪些是不好的生活习惯，并将讨论的结果写下来。
)T:Let’s discuss what are healthy habits and what are unhealthy habits. Discuss with your partners, then write them down.For example:Healthy habits:Drink at least eight cups of water every day.Go to bed early and get up early.)Unhealthy habits:Throw litter about.Keep long fingernails.Get up late.2. (教师将全班分成两组, 一组在黑板上写健康的生活习惯,另一组写不健康的生活习惯,写得多的小组获胜。
)T:Now, work in groups. We have two groups. One group writes healthy habits, the other group writes unhealthy habits. The group that writes more is the winner.3. (要求学生根据前面写的校规来写一写班规，并将写好的班规贴在教室的墙上。
)T:There are many regulations in our school. Can you write some regulations for our class? We will choose the best one to put on the wall.4.(出示一些健康和不健康的生活习惯图片，让学生根据图片口头造句，引导他们用上should/shouldn’t/must/must not。
)T:Look at these pictures, let’s talk about them.(导入本课目标语言。
)For example:)5. (让学生讨论，如果想保持健康，他们应该做什么，不应该做什么，并将讨论结果写下来，引导他们用上本课目标语言。
)T:If you want to be healthy, wha t should/must we do? what shouldn’t/mustn’t we do? Now, let’s discuss.For example:We should exercise more.We shouldn’t stay up late.We must keep our bodies clean.We must not get up late.Step 2 Presentation 第二步呈现(时间:10分钟)T: Please open your books on page 37.1. (第一遍阅读，让学生查课后词汇表，自学生词:illness, enough, empty, stomach, 培养学生自学能力。
)T:Now, let’s read the passage: Headaches. You can look up the new words in your word list.2. (第二遍阅读，教师在黑板上板书问题，让学生带着问题读，并找到问题的答案。
)T:Now read the passage and answer the questions on the blackboard.(几分钟后，一些学生举起手,教师核对答案。
)T:Oh, good, S1, please answer Question (1).S1:...T:Well done.(由于这是一篇阅读课文，教师让学生带着问题读，有利于培养学生快速阅读并提取有效信息的能力。
)(第三遍阅读，要求学生查找关键词与词组。
)T:All of you have done a very good job. Well, let’s read the text again and try to find out the key words and phrases in this passage. I’ll help you. OK?(学生查找完关键词与词组之后，要求他们讲述出来，教师核查并板书于黑板上，讲解部Step 3 Consolidation 第三步巩固(时间:5分钟)1. (让学生看着关键词与词组，试着复述课文。
)T:I think you all understand the passage well, then try to retell the passage with your own words. You can look at the key words on the blackboard and help each other. I’ll give you two minutes to prepare.(学生在积极准备中。
)2.(安排学生到前面讲述故事。
)T:Time is up. I want some students to retell the passage in front of class. Who would like to have a try?(及时鼓励学生，增强学习信心。
)Step 4 Practice 第四步练习(时间:10分钟)1. (图片展示细菌进入人体使人生病的几个途径，要求学生根据图片弄懂句意。
)T:Look at the pictures. These pictures show how germs make us sick. Read by yourselves.2. (放2a录音，让学生跟读。
)T:Now listen to the tape and repeat.(对学生有难度的句子可以多次重复。
)3. (教师安排几个表现欲比较强的学生上讲台模仿病菌使人生病的过程，要求生动有趣。
) T:Now we know how germs make us sick, I want some students to act out. Let’s find who is the best.4. (让学生复述2a。
)T:Close your book, let’s retell how germs make us sick. You can use the words below to help yourself.T:Let’s find out the ways of becoming sick.(教师应在学生讨论之后总结并板书。
)6. (展示2b图片，请同学们根据图片说出相应的预防疾病的措施，先口头说，强调使用句型:We should/shouldn’t... We must/must not...)T:Look at the picture, please talk about what should we do to fight germs? Make sure to use“We should/should not...” and “We must/must not...”7. (教师与学生问答，强调学生使用本课目标语言。
)T:Look at the picture. Now, I ask, you answer .You must use “We should/should not...” and “We must/must not...”For example:T:What should we do to fight germs?S1:We should keep the air clean and fresh.S2:We s houldn’t drink sour milk.T:What must we do to fight germs?S3:We must wash our hands before meals.S4:We must keep our fingernails clean.S5:We must keep our streets clean.S6:We must not eat bad food.8. (要求学生互相问答，形式可以多样，但不能看书，老师可适当帮助学生。
)T:Now work in pairs with your partner.For example:S7:What should we do to fight germs?S8:We should...S7:What shouldn’t we do to fight germs?S8:We should not...(一段时间之后，要求学生交换角色。
)S8:What must we do to fight germs?S7:We must...S8:What must not we do to fight germs?S7:We must not...9. (在口头练习的基础上，教师要求学生做笔记。
)T:Please write down what we should do to fight germs?10. (要求学生互相讨论他们还应该在其他哪些方面来预防疾病，内容必须是课本未提及到的，先讨论后模仿2b里的句子写出来。
