What should we do to fight SARS
八上仁爱版英语unit 2 topic 3 what should we do to fight sars?section a教学设计the main activities are 1a and 1c. 本课重点活动是1a和1c。
ⅰ. teaching aims and demands 教学目标
1. learn some useful words and expressions:
hurry, hurry up, question, go ahead, spread, among, do exercise, all the time, keep away (from)
2. go on learning the modal verbs “should” and “must”:
(1)what should we do to fight sars?
(2)we should keep our rooms clean.
(3)we must open the windows.
(4)we should eat healthy food and do more exercise to build up our bodies.
3. master the verb phrase “have to”, “don’t have to” and “had better” to build up our bodies:
(1)you have to stay at home.
(2)we don’t have to keep the windows open all the time.
(3)we had better keep away from animals.
(4)we had better change clothes often.
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 教具
小黑板/录音机/磁带
ⅲ. five-finger teaching plan 五指教学方案
step 1 re view 第一步 复习(时间:8分钟)
1. (由问候学生，关注学生健康状况，过渡到对健康话题的讨论。注意应用情态动词should, shouldn’t,并应用上一话题重点句型。)
t: how are you feeling today, class?
ss: very well, thank you.
t: i’m glad to hear that. that means you are in good health. health is more important than wealth. then how to keep healthy? you’d better say it with “should/ shouldn’t”.
s1: we should have healthy eating habits.
s2: we should do more exercise.
s3: we shouldn’t eat too much.
s4: we shouldn’t go to school without breakfast.
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: good advice. if w e can do as you said, we can keep healthy.
2. (由健康话题转入对班规，校规的讨论，要用到must, mustn’t,以便导出本节目标语言don’t have to, needn’t.)
t: having good habits can make us healthy. i think having good rules can make us study and
live better. do you think so?
ss: yes.
t: what rules must we obey in the school?
s1: we must keep the school and classroom clean and tidy.
t: we have to keep them clean.
( 板书)
have to, don’t have to, needn’t
t: must we come to school?
s2: yes, we must.
t: must we go to school very early?
s3: no, we don’t have to.
s4: no, we needn’t.[来源:z__]
(以同样的方式，引出本课目标语言had better，并造句练习。)
t: what else should we do to keep h ealthy? we had better drink eight cups of water every day.共3页，当前第1页123
What should we do to fight SARS
(板书)
had better
t: please make some sentences with had better.
s5: you’d better go to bed before nine o’clock in the evening.
s6: we had better go to school by bike.
…
3. (通过谈论如何保持健康，引出sars话题，可适当加入汉语解释。)
t: good habits can help us to keep hea lthy and bad habits can cause diseases. in , there was a serious disease called sars spreading. what do you know about sars?
附：sars is the short form for severe acute respiratory syndrome.
t: it spreads easily among people.
(板书)
spread
t: sars is a serious disease, but we don’t have to be afraid of sars. what should we do to fight sars?
(板书)
what should we do to fight sars?
step 2 presentation 第二步 呈现(时间:10分钟)
1. (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’s kangkang’s father?
(2)what do you know ab out sar s according to the dialog?
(3)what should we do to fight sars?
answers:
(1)kangkang’s father is a doctor.
(2)sars spreads easily among people.
(3)we should eat healthy food and do more exercise to build up our bodies. we should keep our rooms clean and often open the windows. we shouldn’t go to crowded places. if we don’t feel well, we should go to see a doctor at once.
2. (认真阅读1a，找出关键词及生词。)
t: please read the dialog loudly and then find out the key words and new words.
(板书)
hurry up——on tv——ask some questions——go ahead——sars——spread——among[
——healthy food——do more exercise——not go to crowded places
step 3 consolidation 第三步 巩固(时间:8分钟)
1. (再放1a录音，并让学生跟读，注意模仿语音语调。)
t: listen to 1a and repeat. pay attention to the pronunciation and intonation.
2. (学生自读1a后，四人一组练习对话并根据黑板上的关键词，表演出来。)
t: read 1a by yourselves, then practice it in groups of four. you can look at your books. then close your books, and look at the key words on the blackboard, then act out the dialog in groups of four.
3. (听1b录音，完成1b，并以问答形式巩固。)
t: let’s do 1b. listen to the tape and check (√) the correct boxes.
(板书wild并解释wil d。)
wild
(附：1. √ 2. √ 3. √ 4. √ 5. √ 6.× 7. √ 8. × 9. √ 10. ×)
example:
s1: what should we do to fight sars?
s2: we should change clothes often. we shouldn’t go to crowded places …
step 4 practice 第四步 练习(时间:12分钟)共3页，当前第2页123
What should we do to fight SARS
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 1c. first read the dialogs, then find the target language “don’t have to/needn’t”.
2. (先师生问答，然后由学生两人一组问答。)
example:
t: must we finish homework on time?
s1: yes, we must.
t: must you 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sars。)
t: look at the pictures in 2, and discuss what should we do to fight sars.
(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 fight sars?
b: we should do more exercise.
dialog 2
a: what should we do to fight sars?
b: we had better wash hands often.
dialog 3
a: what should we do to fight sars?
b: we must keep away from animals.
(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。适当讲解keep away from的用法，并让学生造句巩固。)
(板书)
keep away from
step 5 project 第五步 综合探究活动(时间:7分钟)
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sars，医生回答记者的提问。评出优胜的组。 )
2. homework:
( 写一篇小短文来说明如何预防sars。)
板书设计：
what should we do to fight sars?
section a
hurry up sars spreads easily among people.
go ahead we should eat healthy food and do more exercise to build
up our hobbies.
do exercise we shouldn’t go to crowded places.
crowded places we don’t have to keep the windows open all the time.
keep away (from) must we do more exercise?共3页，当前第3页123