仁爱版八年级上册Unit 2 Topic 3 Section A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 3  Must we do exercise to prevent the flu? Section A 教学设计

The main activities are1aand1c. 本课重点活动是1a和1c。

Ⅰ. Teaching aims and demands 教学目标

1. Learn some new words and phrases:
hurry, hurry up, question, go ahead, spread, among, prevent, all the time, keep away (from)
   2. Go on learning the modal verbs should and must:
(1)What should we do to prevent it?
(2)We should keep our rooms clean.
(3)—Must we do exercise to prevent the flu?
—Yes, we must./No, we don’t have to./No, we needn’t.
3. Asking for and giving advice.
4. Talk about how to prevent the flu:
  (1)We should exercise often to build us up.
  (2)We should wash our hands and change our clothes often.
  (3)We had better not go to crowded places.

Ⅱ. Teaching aids 教具

图片/录音机/磁带/小黑板

Ⅲ. Five-finger Teaching Plan 五指教学方案

Step 1  Review 第一步  复习(时间:8分钟)

师生讨论如何保持健康，引出如何预防流感，导入新课。
1. (师生就健康话题进行讨论。注意应用情态动词should, shouldn’t, must, mustn’t，导入本课的目标语言don’t have to, needn’t。)
T: Boys and girls, we know keeping the school and classrooms clean is good for our health. Then do you know how to keep healthy? You’d better say it with should/shouldn’t, must/ mustn’t, had better (not).
S1: We should have healthy eating habits.
S2: We mustn’t throw litter around.
S3: We mustn’t drink sour milk.
T:        Must we go to see a doctor when we have a headache?
S4:       Yes, we must.
(帮助学生用否定形式回答。)
T:        No, we don’t have to. / we needn’t. We can have a good rest.
(板书并讲解。)

Must we go to …? Yes, we must./No, we don’t have to. / we needn’t.

S5:  We shouldn’t exercise on an empty stomach.
S6:  We should have enough sleep.
S7:  We should brush teeth twice a day.
S8:  We shouldn’t read in the sun.
T:   What else should we do to keep healthy? Please make some sentences with had better.
S9:  You’d better go to bed before nine o’clock in the evening.
S10: We had better not play sports right after meals.
  …
2. (通过谈论如何保持健康，引出如何预防流感这个话题，可适当用汉语解释，导入新课。)
  T: Good habits can help us to keep healthy and bad ones can cause diseases. There is a serious disease called flu. It spreads easily among people in spring and autumn.
  (板书，并要求学生掌握。)

spread, among

  T: The flu is a serious disease, but we don’t have to be afraid of it. We can do something to prevent it. But how to prevent it? If you want to answer this question, please follow me.
  (板书，让学生猜词义，并要求掌握。)

prevent, question

Step 2  Presentation 第二步  呈现(时间:13分钟)

利用图片进行师生对话，呈现1a内容，学习文中部分生词，为听力扫清障碍。听录音回答问题，然后读对话找关键词，培养学生从听和阅读中提取重要信息的能力。
1. (假设近几天发生流感，教师用图片给以提示，让学生尽量用英语谈论怎样来预防流感，学生不会说的单词，教师给予帮助、引导，以此来学习1a中的部分生词。)
  T: Suppose the flu spreads quickly among people these days. What should we do to prevent it?
  (教师出示开窗通风的图片。)
  Ss:      We should keep the air fresh.
  T: Yes, we should keep the air fresh all the time.
  (板书并让学生掌握。)

all the time

  (教师出示一幅画有拥挤人群的图片。)
  T: If the flu spreads, is it right to go to crowded places?
  Ss:      No, we had better not go to crowded places.(引导学生回答。)
  T: Yes, we should keep away from crowded places.
  (板书并要求掌握短语，理解生词。)

crowded, keep away(from)

2. (用1a中的图片引出1a听力。)
  T:  Look at the picture in 1a. Kangkang is watching TV. On TV, a journalist is interviewing his father. What are they talking about? Let’s listen to1a.
  (板书，并让学生理解。)

journalist

  (出示小黑板上的问题，让学生带着问题听1a录音，回答问题。核对答案。)
T: Now, listen to the tape and find out the answers to these questions.

(1)What are they talking about? (2)How much advice does Dr. Li give in the dialog?

3. (认真阅读1a，找出关键词及生词。)
T: Please read the dialog carefully and then find out the key words and new words.
(核对答案。板书关键词及生词。解释并要求学生掌握hurry, hurry up, go ahead；理解finally。)

hurry up——on TV——a journalist——ask some questions——go ahead——the flu——spread——among——First, … exercise——Second, keep … clean and … fresh——all the time——Third, wash … and change …——Finally, … crowded places

Step 3  Consolidation 第三步  巩固(时间:7分钟)

完成1a和1b，使学生熟悉目标语言。
1. (再放1a录音，并让学生跟读，注意模仿语音语调。然后完成1b，并以问答形式巩固。)
  T: Listen to1aagain and repeat. Pay attention to the pronunciation and intonation. Then finish 1b. Ask and answer in pairs to check Dr. Li’s advice.
Example:
S1: What should we do to prevent the flu?
S2: We should do exercise often. We shouldn’t go to crowded places …
2. (学生自读1a后，四人一组练习对话。然后脱离课本，根据黑板上的关键词，表演出来。)
T: Read1aby yourselves, then practice it in groups of four. You can look at your books at first. Then act out the dialog according to the key words on the blackboard.

Step 4  Practice 第四步  练习(时间:10分钟)

完成1c和2。通过编对话，使学生进一步掌握本课的目标语言。
1. (完成1c，重点训练don’t have to/ needn’t的用法。练习本课目标语言。)
T: Let’s do 1cusing the information in 1b. First read the dialog, and pay attention to the target language don’t have to/needn’t.
2. (先师生问答，然后由学生两人一组练习。)
T: Now, I ask, you answer, then practice in pairs.
Example:
T:  Must we finish homework on time?
S1: Yes, we must.
T:  Must we finish it now?
S2: No, we don’t have to.
S3: No, we needn’t.
3. (看2中的图片，讨论怎样预防流感。)
  T: Look at the pictures in 2, and discuss what we should do to prevent the flu.
  (讨论几分钟后，要求学生完成2里面的练习。提示学生注意should, had better, must的用法。)
  T: Follow the examples to make dialogs using the sentence patterns:“We should…/We had better …/We must …”
  Example:
  Dialog 1
  A: What should we do to prevent the flu?
  B: We should do more exercise.
  Dialog 2
  A: What should we do to prevent the flu?
  B: We should go to see a doctor.
  Dialog 3
  A: What should we do to prevent the flu?
  B: We must keep away from crowded places.(教师可帮助学生回答。)
  (学生小组练习之后，核对答案。教师可以请几组同学到讲台前为大家表演。)

Step 5  Project 第五步  综合探究活动(时间:7分钟)

通过创设情景，分角色表演和写短文，提高学生综合运用本课所学语言知识的能力。
1. (四人一组做一个采访。一人扮演记者，其他三人扮演医生。记者采访如何预防流感，医生回答记者的提问。评出优胜组。)
T: Work in groups of four. One acts as a journalist. The others act as doctors. The journalist asks how to prevent the flu. The doctors answer the journalist’s questions. Then act out in the front and we will decide which group is the winner at last.
2. Homework:
  写一篇小短文来说明如何预防流感。
板书设计：

Must we do exercise to prevent the flu? Section A hurry up                Flu is spreading quickly among people these days. go ahead                We should exercise often to build us up. do exercise                   We had better not go to crowded places. crowded places             Must we do exercise to prevent the flu? keep away (from)   Yes, we must./No, we don’t have to./No, we needn’t.