Must we do exercise to prevent the flu

t: follow the examples to make similar diologues using the information in 1b, then act it out.
3. (看2中的圖片，討論怎樣預防sars。)
  t: look at the pictures in 2, and discuss what should we do to fight sars.
  (討論幾分鐘后，要求學生完成2里面的練習，提示學生注意should, had better, must的用法。)
  t: follow the examples to make diologues using the sentence patterns:“we should…/we had better…/we must…”
  for 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.
  (學生小組練習之后，核對答案。教師可以請幾組同學到講臺前為大家表演，并適當講解keep away from的用法。)
 (板書)
keep away from
step 5 project 第五步  綜合探究活動(時間:7分鐘)
1. (四人一組做一個采訪，一人扮演記者，其他三人扮演醫生，回答記者的提問，要求采訪如何預防sars，并評出優勝的組。)
2. homework:
  (寫一篇小短文來說明如何預防sars。)
板書設計：
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.
do exercise   we should’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?

section b
the main activities are 1a and 3. 本課重點活動是1a和3。
ⅰ. teaching aims and demands 教學目標
1. learn some useful words and expressions:
just a moment, examine, patient, ring…up, get through,  come back, bicycle
2. learn some expressions on making a telephone call:
(1)——hello! extension 6226, please.
  ——just a moment, please.
(2)——could i speak to dr. li yuping?
  ——sorry, he is busy right now.
(3)——i’m afraid he is busy right now.
——i’ll ring him up later.
(4)can i leave a message?
(5)this is kangkang speaking.
(6)i’ll give him the message.
(7)could you please ask her to call me back later?
(8)——is zhu ming there, please?
——no, he isn’t in.
3. learn how to take and read a message of a telephone call.
ⅱ. teaching aids 教具
小黑板/錄音機/多媒體課件或幻燈片
ⅲ. five-finger teaching plan 五指教學方案
step 1 review 第一步  復習(時間:10分鐘)
1. (表演上節課做過的采訪活動，復習重點詞匯。)
t: make an interview, four students in one group. one is a journalist, the others are doctors. please act it out.