Must we do exercise to prevent the flu
(給學生幾分鐘時間討論。)
t: it spreads easily among people.
(板書并講解。)
spread
t: sars is a serious disease, but we don’t have to be afraid of sars. what should we do to fight sars?
(板書)
what should we do to fight sars?
step 2 presentation 第二步 呈現(時間:10分鐘)
1. (出示小黑板，聽1a錄音，回答問題。)
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 about sars according to the tape?
(3)what should we do to fight sars?
(讓幾個同學回答問題，或分組討論形成共識。)
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 the doctor at once.
(再放一遍錄音，并解釋有關生詞crowded并講明只要求了解該詞，不用掌握。)
2. (認真閱讀1a，找出關鍵詞及生詞。)
t: please read the dialog after the tape and then find out the key words and new words.
(注意適當按暫停鍵。)
(板書)
on tv——ask some questions——sars——spread——among——healthy food——do more exercise——not go to crowded places
step 3 consolidation 第三步 鞏固(時間:8分鐘)
1. (再放1a錄音，并跟讀，注意語音語調。)
t: listen to 1a and repeat. pay attention to the intonation, stress and pronunciation.
2. (學生自讀1a后，四人一組練習對話。)(可以看書。)
t: read 1a by yourselves, then practice it in groups of four. you can look at your books.
3. (幾分鐘之后，要求只看黑板上的關鍵詞，小組表演對話。)
t: close your books, look at the key words on the blackboard, then act o ut the dialog in groups of four.
(教師此時不應強調學生按原文表演，可適當發揮。)
4. t: let’s do 1b. listen to the tape and check (√) the correct boxes.
(附：1. √ 2. √ 3. √ 4. √ 5. √ 6.× 7. √ 8. × 9. √ 10. ×)
for example:
s1: what should we do to fight sars?
s2: we should change clothes often. we shouldn’t go to crowded places…
t: listen to the tape again and after listening, please make an interview in pairs, then report it to the class.[
step 4 practice 第四步 練習(時間:12分鐘)
1. (完成1c，練習本課目標語言。)
t: let’s do 1c. first read the dialogs, then practice in pairs.
(教師應著重強調兩個對話中的目標語言should, must, don’t have to, needn’t。)
2. (要求學生參照這兩個對話來表演相似的對話，兩人一組，可以參考1b里的信息，教師適當指點。)