What should I eat to keep healthy? (1)

Unit 9 Lesson 34

北京十中 初二备课组

Unit 9 话题分布

Keeping body and mind

healthy

L33 Physical heath

problems

L34 Healthy diet

L35Healthy

life habits

L36 Mental health

problemsExp 9Home

remedies

1. 话题： eating habits2. 课文 : Lesson 34 What should I eat to keep healthy? 3. 词汇：•课标词汇： result beyond nearly blood mind weigh weight ability depend brain be good for •其他词汇： snack, snack bar fat healthily pressure blood pressure vitamin bone relationship•重点复习词汇和句型： food with fat…., find, help sb. do, enough, worry about, at the same time, pay attention to, It is +adj. for sb. to do…4. 语法： should 在特殊问句中的用法和 need to do 的用法。

教学内容：

重点：学生通过阅读文章，获取青少年不好的饮食习惯和如何保持健康的信息，学习文章中出现的need to do 的句子。难点：学生能够使用所学语言（ should /need to do ）为他人口头提出如何保持健康的合理化建议。

教学重点难点：

Unit 9 词汇分布 Unit 9 VocabularyL33

L34

L35

L36

Body health problems

Keeping fit

Unhealthy habits

Food and drink

Things in food

Mental health problems

• warm up

• language in put

• language focus

• language in use

• homework

教学环节

apple carrots

.壹 Warm up:观察图片和问题，引导学生关注本课话题：

ice-cream candies

French fries pizza

milk cabbage

一 . Warm up:1. 学生通过图片复习学过饮食词汇2. 教师提问，引入本课话题：

T:(1)What’s your favourite food?(2)Are they healthy?(3)Do you always eat healthy food?(4)What should we eat to keep healthy?

Today we are going to talk about it in Lesson 34

二 . Language in put

Step 1. Skip reading1. 阅读整篇文章 ,了解大意： 学生阅读文章，标出段落(read the text and number each paragraph) 教师提问题：T: How many paragraphs are there in the text?

C. Most teenagers love “junk food” .

B. Many teenagers have bad eating habits.

A. Some doctors give advice on

children’s diet.Para 1

Para 2

Para 3

What’s the text about?

junkfood

advice

eating habitsbad

2. 阅读各段 , 选择段意（ 3 步骤）Part 1. Read and match the main idea

Part 2. 教师提问，引导学生关注依据 (上下语境猜词）From which sentences can you find out evidence( 依据） ?

1. ...overweight and some of this is because of their bad eating habits.

2. But bad eating habits go beyond fast food.

3. ...give the following advice.A. They are all about fast food.B. Eating fast food is not a bad habit.C. Bad eating habits are much more than eating fast food.

What does the underlined word mean?It refers to overweight.

Part 3. 学生猜出划线词汇含义，归纳出各段之间的关联 :Summarize the relation of each paragraph after understanding the evidence:

Para. 1-2: Teenagers’ bad eating habits.

＆Para. 3: Doctors’ advice on

children’s diet.

T: What is the text about?A. Why teenagers are overweight.

B. Junk food and some advice from the doctors.

C. Teenagers’ bad eating habits and doctors’ advice.

3. 学生快速浏览全文 , 选择主旨 : 教师提问

Step 2. Reading for details1 Read paragraph1 and answer 2 questions （利用图片理解词汇）

• What kind of food do most teenagers like?

• Is it healthy for them?

• What kind of food do most teenagers like?

Most teenagers love food with a lot of fat, oil, salt and sugar.

脂肪

= junk food

• Is it healthy for them?

No.

Many teenagers are overweight.

How many bad eating habits are

mentioned? What are bad eating habits?

2 Read paragraph2 and answer questions:

• They love junk food.• Some don’t have breakfast before they go to school.• During the day, some don’t have a proper meal for lunch.( 难点句）

understand the difficult sentences by a

nswering the teacher’s question ：T: What’re the results of a recent surv

ey at one school?Result 1:

In a recent survey at one school, scientists found that over two-thirds of the students didn’t follow a healthy diet.

Result 2:

Nearly half of the students didn’t like vegetables, and many of them didn’t like to eat fruits. They preferred food with salt, sugar, or fat.

In a recent survey at one school, scientists found that over two-thirds of the students didn’t follow a healthy diet.

= More than 2/3 of the students didn’t eat healthily.

Understand difficult sentences:

Nearly half of the students didn’t like vegetables, and many of them didn’t like to eat fruits. They preferred food with salt, sugar, or fat.

<50% =50% >50%

= The students didn’t eat balanced diet at school at noon.

3 Read paragraph 3

教师提问，学生阅读 para3 获取信息理解医生建议

1.Is teenagers’ eating problem serious? Who will help them ？

2. How many pieces of advice do doctors give? And what are they?

Before reading:

After reading:

显示建议句子并跟读 Advice on healthy diet: (read after the teacher)

1. Teenagers shouldn’t eat too much junk food.

2. Teenagers shouldn’t eat food with too much salt.

3. Teenagers should eat food with less fat, oil and sugar.

4. Teenagers need to eat some fruit and vegetables every day.

5. Teenagers need to drink more milk.

6. Teenagers need to eat breakfast every day.

教师提问，学生阅读 , 理解 , 获取医生如此建议的理由T:

1.Do you think doctors’ advice is right?

2.Why is it reasonable?

3.Do they give us reasons for each advice?

4.Why not?

Now, let’s see

5. how many reasons doctors give us?

理解建议原由中划线词语（通过图片和同义词

For Advice 2: Salt can cause high blood pressure.

For Advice 4: Fruits and vegetables are rich in vitamins and have little fat.

have lots of

For Advice 5: Milk will help their bones grow.

For Advice 6: This is good for their body and mind.

头脑

Junk food has too much ,

oil, salt and .

Too much salt might cause high

when teenagers

grow up.

fat

学生完成的 1.3 填空，反馈对建议原由的掌握

T: Can you remember the reasons in Ex. 1.3?

sugar

blood pressure

Vegetables and fruit are good for you because they have a lot of .

Teenagers should drink more milk so they have strong .

vitamins

bones

三 Language focus

Step 1. 发现归纳 need to do 陈述句的的用法 : 学生说出表建议句子并画出建议的动词1. Teenagers shouldn’t eat too

much junk food.

2. Teenagers shouldn’t eat food with too much salt.

3. Teenagers should eat food with less fat, oil and sugar.

4. Teenagers need to eat some fruits and vegetables every day.

5. Teenagers need to eat breakfast every day.

6. Teenagers need to drink more milk.

should + 动词原形

need + to do

学生看图完成句子（操练巩固建议句子）Do you remember doctors’ advice ?

should (n’t), junk food

need to, breakfast, every day

Teenagers shouldn’t eat (too much)

junk food.

Teenagers need to eat

breakfast every day.

Teenagers need to

drink more milk.

fruits and vegetables, every day

Teenagers need to eat some fruits and

vegetables every day.

What do I need to do?

You need to drink more milk.

What do I need to change?

You need to change your diet.

Step 2. 发现、归纳 need to do 特殊疑问句的用1. Try to complete the questions in Ex. 1.6;

need to

need to

need to

need to

2.Check your answer for 1.6

四 Language in use

Step 1. 记忆六条建议及理由T:Do you remember doctor’s advice?

Look at the following food and drink.

try to fill the blank.

We should eat food with fat, oil and sugar.

Should we eat these?

We eat too much junk food.

shouldn’t

less

Salt can high blood pressure in the future.

We eat food too much salt.

shouldn’t with

cause

Should we eat much salt?

They are in vitamins.

We to eat some fruits and vegetables every day.

What do we need to eat? why?

need

rich

Yes. We need to eat breakfast every day. This is good for our body and mind.

Do we need to eat breakfast and why?

We need to drink more milk.

What do we need to drink and why?

Milk will help our bones grow.

Step 2 综合语言应用Task 1:

询问朋友昨天一天的饮食情况并填写下表What did you eat yesterday ?

breakfast Lunch dinner

Model:

T:What did you eat for breakfast yesterday ?

S: I ate …

Task 2:

询问对方对自己饮食习惯的评价和建议：

What do you think of my eating habit?

breakfast lunch dinner

No breakfast

…

Only meat

Some coke…

Hamburgers

Icecream…

Model:S2: What do you think of my eating habits ?

S1: It sounds terrible. You have bad eating habits.

S2: What should I do ?

S1: Don’t worry, I will give you some advice.

S2: first,you should eat breakfast because it’s important for you a day.

S1: What do I need to eat for breakfast ?

S2: You need to eat some bread and drink some milk.

S1: Why do I need to drink milk?

S2: Because milk will help your bones grow.

S1: I see and what about my lunch?

S2: I think it’s as important as your breakfast.

S1: What should I eat for lunch?

S2: You should also eat vegetables and fruit because they are rich in vitamins

S1: Why shouldn’t I drink some coke?

S2: it isn’t good for you because it has a lot of sugar. You need to drink a lot of water instead of coke.

S1: well, I should change my diet. Should I eat hamburgers and icecream for dinner?

S2: You’d better not . They have a lot of fat ,oil, nd sugar and cause overweight.You need to eat less food for dinner. Of course you also do sports after dinner. Just do it from now on..

S1: Thank you a lot.

Task 3 ：完成一则自己一天健康饮食小贴士（ Tips on good eating habits）要求适当装饰，评选展出。

Tips on good eating habits★★★★

五 Homework

1. 跟录音朗读 1.2 全文并背诵第三段。2. 抄写 1.3 和 1.6 的句子。3. 完成健康饮食小贴士（评比分享）