仁爱八年级上册Unit 2 Keeping Healthy Topic2 Section C教案教学反思教学设计

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仁爱版八年级上Unit 2 Keeping Healthy Topic 2  I must ask him to give up smoking.Section C 教学设计

The main activities are1aand2a. 本课重点活动是1a和2a。

Ⅰ. Teaching aims and demands 教学目标

1. Learn some new words and phrases:
disease, itself, might, empty, stomach, get into, human, body, through, illness, air, sour, tidy, sweep, in public
2. Go on learning the modals for giving advice and necessity:
  (1)You might get a headache when you work too hard.
  (2)We should keep the air fresh.
  (3)We shouldn’t drink sour milk.
  (4)We must tidy our rooms and sweep the floor often.
  (5)We must not spit in public.
3. Talk about personal hygiene.

Ⅱ. Teaching aids 教具

教学卡片或多媒体课件/图片/录音机/磁带/小黑板/挂图或幻灯片

Ⅲ. Five-finger Teaching Plan 五指教学方案

Step 1  Review 第一步  复习(时间:10分钟)

复习巩固上节课的目标语言。进一步教育学生养成良好的生活及行为习惯。
1. (由师生问候，过渡到询问学生的早餐状况。关注学生健康，自然地进入生活习惯的复习。)
T:   How are you today?
Ss: Fine, thanks. And you?
T:   Me, too. Did you have breakfast, S1?
S1: Yes.
T:   I’m glad to hear that. Going to school withoutbreakfast is bad for your health. Health is
  important for us.
2. (教师出示教学卡片或多媒体课件，复习上节课所学的有利于健康和不利于健康的生活习惯的表达方式。让学生分出好与坏两类，分组汇报。)
T:   Let’s look at the living habits in the pictures. Divide the habits into healthy habits and unhealthy ones. Then say them out in English. First, healthy ones. Group 1, please.
G1: Washing hands before meals.
   Brushing teeth twice a day.
   Doing morning exercises.
  Drinking enough water every day.
   Going to bed early and getting up early.
T:   Well done! Then unhealthy habits. Group 2, please.
G2:Reading in the sun.
     Staying up late at night.
    Throwing litter around.
    Going to school withoutbreakfast.
    Watching TV too late.
    Keeping long fingernails.
3. (复习must, mustn’t和don’t。再次出示卡片，用must, mustn’t 或don’t陈述卡片内容。)
  T: If we want to keep healthy, what must we do and what mustn’t we do?
  (依次出示卡片，让学生回答。)
S2: We must wash hands before meals.
S3: We must brush teeth twice a day.
S4: We mustn’t read in the sun.
S5: We mustn’t throw litter around.
S6: Don’t keep fingernails long.
S7: Don’t stay up late at night.
T:   Well done. As we know, good habits can make us healthy. Bad habits can make us unhealthy. For example, staying up late may cause headaches. But what can also cause headaches? OK. Let’s come to the new lesson and learn about them.

Step 2  Presentation 第二步  呈现(时间:10分钟)

学习1a，引导学生根据语境猜测生词的意思，培养学生整体阅读的能力。
1. (继续谈论不健康的习惯会导致头痛，并进行一项关于头痛的调查，以此完成1a中导读问题并呈现生词。)
T:        Do you often get headaches, S1？
S1:       Sometimes.
T:        Do you know what causes headaches, S2?
S2:       I don’t know.
T:        Never mind. How do you feel when you don’t get enough sleep, S3?
S3:       I feel sleepy.
T:        What about you, S4?
S4:       I may have a headache.(引导学生回答。)
T:       Yes. You might get a headache if you don’t get enough sleep. In fact, a headache is a pain in your head. It’s not a disease itself. Working too hard, exercising for a long time on an empty stomach may cause headaches.
(板书，教师适当讲解，并要求掌握might, disease, itself, empty, stomach；理解pain。)

might, pain, disease, itself, empty, stomach

2. (让学生快速阅读短文，为文章确定标题。学生汇报结果并说明理由，教师可先将一些重点短语板书在黑板上，领读并解释。)

a pain in your head, don’t get enough sleep, on an empty stomach

T:        Please read the passage quickly and give it a proper title.(2分钟后) S5, please.
S5:       Headache.
T:        S6, please.
S6:       A headache.
S7:       What causes headaches?
T:        OK. Let’s listen to1aand find the answer.

Step 3  Consolidation 第三步  巩固(时间:8分钟)

完成1b，巩固1a中的短语，强化对1a的理解。
1. (让学生听1a录音并跟读，注意语音语调。在学生听的同时，教师板书1a关键词。)
  T: Listen to1aand repeat. Pay attention to the pronunciation and intonation.
2. (把握关键词，掌握复述技巧。)
T: Please try to talk about the passage in your own words. You can look at the key words on the blackboard.
Example:
I know a headache isn’t a disease. There is something wrong with our health …
(及时鼓励学生，增强学生信心。)
3. (完成1b，巩固1a中重点短语。并核对答案。为2b的活动做铺垫。)
T: Great. Now please read 1aagain and write down the possible causes of a headache. Then give some advice to prevent headaches by using should/shouldn’t/must/must not/don’t.

Step 4  Practice 第四步  练习(时间:10分钟)

学习个人卫生常识，进一步巩固情态动词should/shouldn’t和must/must not的用法。完成2a，2b。
1. (由谈论头痛形成的原因及健康的生活习惯，引出2a并学习文中部分生词，然后让学生阅读2a，了解疾病是怎样形成的。)
  T:        Boys and girls, we talked about what causes headaches. As we know, headache isn’t a disease itself. But if we don’t have healthy living habits, germs can get into the human body and cause diseases. How do germs get into the human body? Let’s read2a and learn about it.
  (板书，要求学生掌握get into, human, body；了解germ。)

germ, get into, human, body

T: OK. Look at the pictures in2aand read these sentences. Please find out the new words, and try your best to guess their meanings. If necessary, look them up in the word list.
  (几分钟后，提问个别同学。)
  (板书，要求理解skin和ha；掌握through和illness。)

through, skin, ha, illness

(播放2a录音，让学生跟读并注意语音语调。)
T: These pictures show how germs make us sick. Now please listen to the tape and repeat. Pay attention to the pronunciation and intonation.
  (对有难度的句子可以多次播放并讲解。)   
2. (让学生读2a，画出关键词。)
  T: Please read2aand find out the key words.
  (找学生板书关键词。教师核对。)

germ, get into, cause, diseases, through the nose/the mouth/the skin, have an illness

  T: Now close your books. Let’s talk about these pictures. You can use the key words on the blackboard.
(可用幻灯片或课件或挂图展示2a。)
3. (总结2a中病菌进入身体的几种途径。)
  T: Let’s find out how the germs get into our body.
  (板书)

(1)through the nose (2)through the mouth (3)through the skin

4. (展示2b图片，了解预防疾病的措施。)
  (先让学生根据图片猜测2b中生词及短语的意思，然后对学生提问，必要时引导学生回答。)
  T:        Look at the pictures. Please talk about what we should do to keep away from germs. Make sure to use “We should/should not …” and “We must/must not …”
  (两分钟后。)
  T:        What should we do to keep away from germs?
  S1:       We should keep the air fresh.
  S2:       We shouldn’t eat bad food.
  S3:       We shouldn’t drink sour milk.
  S4:       We should keep our bodies clean.
  S5:       We must wash our hands before meals.
  S6:       We mustn’t keep long fingernails.
  S7:       We must tidy our rooms and sweep the floor often.
  S8:       We mustn’t spit in public.
(需要及时讲解并板书，要求学生掌握air, sour, tidy, sweep, in public；理解spit。)

air, sour, tidy, sweep, spit, in public

Step 5  Project 第五步  综合探究活动(时间:7分钟)

通过综合探究活动，使学生把本话题所学的知识及目标语言有效地应用到生活及人际交往中。
1. (让学生展开想象，扩大知识面。鼓励学生自由发挥，将本课所学的有关建议的及表示必要性的情态动词，个人卫生习惯等知识点，按教师所提供话题进行综合运用。)
  T: Let’s discuss what else we should do to keep away from germs.
  (尽量脱离课本，最好不要与课文内容重复。)
  Example:
  We should do morning exercises every day.
  We should not throw litter around.
  We must eat more fruit and vegetables.
  We must not go to bed too late.
  (教师巡视并指导，看谁运用得较好。挑出几名学生编一个思路清晰、逻辑性强的短剧，即兴表演出来。教师给予鼓励，使学生在运用语言的过程中增强自信，继续保持学习英语的兴趣。)
2. Homework:
T: Discuss what we should do to keep away from headaches.
  Example:
We shouldn’t work too hard.
We must get enough sleep.
We must not exercise on an empty stomach.
(要求学生用讨论的结果完成表格，作为家庭作业。)

How to keep away from headaches
Should	Should not	Must	Must not

板书设计：

I must ask him to give up smoking. You can also get a headache when you exercise for a long time on an empty stomach. We can get into the human body and cause diseases. We should tidy our rooms and sweep the floor often. Section C on an empty stomach    get into cause diseases nose mouth skin through the