八年级（上）Unit2 . Topic3 教学设计

李军辉

Section A

The main activities are 1a and 2.
Ⅰ. Teaching aims and demands

1. Learn some useful words and expressions:
hurry, hurry up, go ahead, spread, among, do exercise, agree, do some cleaning, all the time, have to, keep away
2. Master the modal verbs “should” and “must”.
(1) What should we do to fight SARS?
We should keep our rooms clean and often open the windows.
(2) We should eat healthy food and do more exercise.
(3) We should do our best to fight SARS.
3. Master verb phrase“have to”, “don?t have to”and “had better”:
(1) You have to stay at home.
(2) We don’t have to be afraid of catching SARS.
(3) We had better change clothes often.
(4) We had better keep away from animals.  
4. Talk about how to fight SARS:
(1) We should not go to crowded places.
(2) We should do more exercise.
(3) We had better wash hands often.
Ⅱ. Teaching aids

课件/录音机
Ⅲ. Five-finger Teaching Plan

Step 1  Review

(时间:10分钟)

1. (引入竞争机制，复习前面Topic的单词、词组，采用单词竞赛，分为必答、抢答。)
T:Now let’s have a word competition. Each student has two words. I’ll give you Chinese meaning, please read them in English. Are you ready? Go! ...
T:Well done! This time let’s have a quick answer. Who knows? You can stand up and answer quickly! Begin!
2.
(教师让学生陈述良好的生活习惯与一些不良生活习惯的话题，引导学生使用句型:)
We should do...
We shouldn’t do...
We must do...
We must not do...
We don’t have to...
T: Let’s review what are good habits and what are bad habits. Use these sentences:
We should do...
We shouldn’t do...
We must  do ...
We must not do...
We don’t have to[WW()...
3.(教师提问，请学生回想前面讨论的关于健康话题。)
T: What should we do to keep healthy?   
(在学生回答之前，教师先给出一个答语，引出本课目标语言have to, don’t have to。)

What should we do to keep healthy?

T:     
(教板书目标语言，并强调have to的用法。)

And we don’t have to eat more meat.

T:     
(要求学生使用目标语言 have to, don’t have to 来回答问题。)
S1:We have to keep windows open in the day.
S2:We don’t have to keep windows open all the time.
S3:We have to sweep the floors often.
S4:We don’t have to take medicine often.
...
(以同样的方法，教师提问，在学生回答之前，教师先给出一个答语，引出本课目标语言had better。)
T:What else should we do to keep healthy?

We had better drink eight cups of water every day.

T:
(教师板书目标语言，并强调had better的用法。然后要求学生使用目标语言had better继续回答所提问题。)
S5:You had better go to bed before nine o’clock in the evening.
S6:She had better go to school by bike.
S7:We had better keep our fingernails clean.
...
(老师对积极回答问题的学生要及时给予表扬。)
4. (教师由谈论如何保持健康和看图来引出SARS话题。)
file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/ksohtml/wps_clip_image1.jpg
T:Good habits can help us to keep healthy. But bad habits can cause diseases. In 2003, there was a serious disease called SARS.
What do you know about SARS?
(让学生讨论几分钟,也可让他们快速查阅资料来寻找答案。)
For example:
SARS is short for Severe Acute Respiratory Syndrome.
(几分钟后，开始有学生举手，此时教师对表达有困难的学生要及时给予帮助。)
S8:It spreads easily among people.
S9:SARS is a serious disease, but we don’t have to be afraid of catching SARS.
...
5. (教师提问关于Kangkang父亲的一些情况，导入下一步。)
T:What’s Kangkang’s father?
Ss:He is a doctor.
T:Yes, he is a doctor. He knows something about SARS and he knows how to fight it. Now, let’s listen.

Step 2  Presentation  
(时间:10分钟)

1. (设置并出示课件上的听力任务，让学生带着任务听录音。)

(1) Where is Kangkang’s father? (2) What do you know about SARS according to the tape? (3) What should we do to fight SARS?

(听录音，回答上面问题。)
T:Now, listen to the tape and find out the answers to these questions.
(请几个同学回答问题，或分组讨论形成共识。)
Answers:
(1) He is on TV.
(2) SARS spreads easily among people.
(3) We should eat healthy food and do more exercise. We should not go to crowded places.
2.(打开课本，请学生跟读课本1a的对话。)
T:Open your books, and read the dialog after the tape.
3.(师生共同查找1a中的关键词并板书在黑板上。)

Tet?s find out the key words and write them down on the blackboard. on TV—ask some questions—SARS—spread—among—healthy food—more exercise—not go to crowded places

Step 3  Consolidation  
(时间:5分钟)

1.(再放一遍录音，请学生跟读并模仿对话。)
Tisten to the tape again, follow the tape and imitate.
2.(学生读1a的对话，然后两人一组练习。)
T:Read the dialog in 1a, then practice the dialog in pairs.
3.(找几组同学来表演这个对话。)
T:Now, I’d like some pairs of students to read and act out the dialog.
4.(要求学生合上书，只看黑板上的关键词，两人一组表演对话。)
T:Close your books. Look at the key words on the blackboard, then act out the dialog in pairs.
(教师此时不应该强调学生按原文表演，可适当发挥。)
5.(做1b。学生先听录音，然后两人一组完成，然后每组选一名代表向全班汇报。)
T:What should we do to fight SARS?
Listen to the tape of 1b,check(√) the correct boxes. After listening, you can work in pairs. I will choose some students to give a report to the  class.
(再放一遍听力，学生互相核对答案。)
T:Listen to the tape again and check the answers in pairs.

Step 4  Practice  
(时间:10分钟)

1. (教师呈现两个对话，先让学生读，然后再两人一组表演对话。)
T:Look at the two dialogs. First read the dialogs, then practice in pairs.

Example A S1: What should we do to fight SARS? S2: We must eat healthy food. S1: OK. Thank you. Example B S3: What should we do to fight SARS? S4: We must open the windows. S3: Must we keep the windows open all the time? S4: No, we don’t have to/needn’t.

(教师应着重强调两个对话中本课目标语言should, must, don’t have to的用法。)
2.(要求学生参照这两个对话来写相似的对话，要求两人一组，还可以参考1b里的信息。)
T:Follow the examples to make similar dialogs, work in pairs, using the information in 1b.
3.(教师要求几组学生表演他们的对话。)
T:Now I’d like some pairs to act their dialogs out.
4.(要求学生看2的图片，然后根据图片讨论怎样预防SARS。)
file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/ksohtml/wps_clip_image2.jpg

T:Look at the pictures in 2. Discuss what should we do to fight SARS.
(学生讨论几分钟后， 要求学生完成2里面的练习，强调学生注意should, had better, must的用法。)
T:Look at the pictures, do exercises in 2.
(学生完成之后，要求学生模仿前面出现的对话两人一组练习对话，对话中必须使用本课目标语言We should ... /We had better  ... /We must ... )
T:Follow the examples to make dialogs, using the sentences“We should ... /We had better ... /We must ...”
For example:
Dialog 1:
S5: What should we do to fight SARS?
S6: We should do more exercise.
Dialog 2:
S7: What should we do to fight SARS?
S8: We had better wash hands often.
Dialog 3:
S9: What should we do to fight SARS?
S10: We must keep away from animals.
(学生小组练习之后，教师可以请几组到讲台前为大家表演他们的对话。)

Step 5  Project  
(时间:10分钟)

1.(把班里的学生分成两大组，每组分别在黑板上写出如何预防SARS，强调要使用本课目标语言，比一比，哪组写得最好最完整。)
T:Let’s divide the class into two groups(A and B). Each group writes down how to fight SARS on the blackboard. The group that writes more and better is the winner.
2.(四人一组做一个采访。一人扮演记者，其他三人扮演医生，回答记者的提问。要求学生学会以采访的形式与他人对话。)
T:Make an interview, four in one group. Suppose one is a journalist and the others are doctors. He asks questions, the other three answer.
3. Homework:
每个学生至少写五句话来说明如何预防SARS。