Must we do exercise to prevent the flu
unit 2 keeping healthy
topic 3 must we do exercise to prevent the flu?
section a
the main activities are 1a and 2. 本課重點活動是1a和2。
ⅰ. teaching aims and demands 教學目標
1. learn some useful words and expressions:
talk with, hurry, hurry up, question, go ahead, spread, among, do exercise, do some cleaning, all the time, have to, keep away
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.
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 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/錄音機/磁帶
ⅲ. five-finger teaching plan 五指教學方案
step 1 review 第一步 復習(時間:8分鐘)
1. (陳述關于習慣的話題，復習重點句型。)
t: let’s review what are good habits and what are bad habits using these drills.
we should do…
we shouldn’t do…
we must do…
we must not do…
2. (請學生回想前面討論的關于健康的話題。)
t: what should we do to keep healthy, s1?
s1: we should go to bed early at night.
t: you can also say: we have to go to bed early at night.
(板書)
have to
(引出本課目標語言have to, don’t have to并給以解釋。)
t: we have to eat healthy food. we don’t have to eat more meat.
(要求學生使用目標語言造句。)
t: please make a sentence with “have to” or “don’t have to”.
s1: we have to sweep the floor often.
s2: we have to study hard.
s3: we don’t have to take medicine often.
…
(以同樣的方式，引出本課目標語言had better。)
t: what else should we do to keep healthy? we had better drink eight cups of water every day.
(板書)
had better
(強調had better的用法，然后要求學生繼續操練。)
t: please make some sentences with “had better”.
s4: you’d better go to bed before nine o’clock in the evening.
s5: we had better go to school by bike.
…
3. (通過談論如何保持健康，引出sars話題。)
t: good habits can help us to keep healthy and bad habits can cause diseases. in , there was a serious disease called sars spreading. what do you know about sars?
(教師可用漢語適當解釋。)
附：sars is short form for severe acute respiratory syndrome.