germs, get into, cause, diseases,
through, the nose/the mouth/the skin,
have an illness
T: Now close your book, let’s talk about these pictures. You can use the key words on the blackboard.
(可用幻灯片或课件、挂图展示2a。)
3. (总结2a，引出生病的几种途径。)
T: Let’s find out the ways of becoming sick, please.
(板书)
(1)through the nose
(2)through the mouth
(3)through the skin
4. (展示2b图片，了解预防疾病的措施。)
T: Look at the picture, please talk about what we should do to fight germs? Make sure to use “We should/should not…” and “We must/must not…”.
T: What should we do to fight germs?
S1: We should keep the air fresh.
S2: We shouldn’t eat bad food.
S3: We shouldn’t drink sour milk.
S4: We should keep our bodies clean.
S5: We must wash our hands before meals.
S6: We must keep our fingernails clean and short.
S7: We must tidy our bedrooms and sweep the floor often.
S8: We must keep the streets clean.
(个别图片中含有生词，如air, sour, tidy, sweep要及时讲解)
5. (开展互动，激发兴趣。)
T: Now work in pairs to discuss what we should do to fight germs.
(教师先给出示范，然后让学生进行问答并不断变换角色。)
For example:
T: What should we do to fight germs?
S1: We should…
S2: What must we do to fight germs?
S3: We must…
S4: What must we not do to fight germs?
S5: We must not…
T: Well done! Please write down what we should do to fight germs.
(要求大家尽量不看课本。)
Step 5 Project 第五步 综合探究活动(时间:7分钟)
1. (展开想象，扩大知识面。)
T: Let’s discuss what else we should do to fight germs.
(尽量脱离课本，并不要与课文内容重复。)
For example:
We should do morning exercises every day.
We should not throw litter about.
We must eat more fruit and vegetables.
We must not go to bed too late.
(教师巡视并指导，看谁发挥的较好。)
2. Homework:
T: Now let’s discuss what we should do to fight headaches.
For example:
We shouldn’t work too hard.
We must get enough sleep.
We must not exercise on an empty stomach.
(要求学生用讨论的结果完成表格，作为家庭作业。)
How to fight headaches
Should shouldn’t Must Must not
板书设计：
I must ask him to give up smoking
Section C
on an empty stomach
get into
cause disease
through
Section D
The main activities are 1, 2 and 4. 本课重点活动是1, 2和4。
Ⅰ. Teaching aims an d demands 教学目标
1. Learn some names of food and some other useful words:
than, wealth, less, choose, sandwich, watermelon, sausage, tomato,
beef, cabbage, strawberry
2. Go on learning what are healthy eating habits:
(1)Good health is more important than wealth.
(2)Food gives us energy.
(3)We must have enough food to keep healthy.
(4)We must have the right kinds of food.
(5)Different foods help us in different ways.
(6)It’s necessary for us to have healthy eating habits.
3. Improve the students’ listening, speaking, reading and writing skills.
4. Summarise the grammar focus and useful expressions in the topic.
Ⅱ. Teaching aids 教具
小黑板/图片(食物类)/录音机/磁带/多媒体课件
Ⅲ. Five-finger Teaching Plan 五指教学方案
Step 1 Review 第一步 复习(时间:10分钟)
1. (复习情态动词：You must…/You must not…/you should…/you shouldn’t…)
T: Please make sentences.
(板书)
You must…/You must not…
You should…/You shouldn’t
S1: We must wash our hands before meals.
S2: We must not eat bad food.
S3: We should keep our classroom clean.
S4: We shouldn’t drink sour milk.
…
2. (教师提问，请学生回忆有关头痛的话题。)
T: What may cause headaches?
S5: You may get a headache when you work too hard.
S6: You may get a headache when you can’t get enough sleep.
S7: You may get a headache when you exercise on an empty stomach.
…
3. (复习好坏习惯，强化习惯用语。)
(分组活动，讨论哪些是健康的生活习惯，哪些是不健康的生活习惯。)
T: Four students work in one group. Please talk about what are healthy habits and what are unhealthy habits.
For example:
——Is going to bed early good or bad for your health?
——It’s good.
——Is getting up late good or bad for your health?
——It’s bad.
——Is keeping long fingernails good or bad for your health?
——It’s bad.
4. (教师由healthy habits引出healthy food，导出本课目标语言。)
(教师展示食物图片)
T: What’s this?/What are these?
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