初中冀教版Unit 1 Stay HealthyLesson 3 Good Food Good Health教学ppt课件

设计说明

首先,利用图片交谈病情，复习以前所学内容，并指出为了保持健康要有好的饮食习惯和吃健康的食物，从而导入新课。接着，利用图片教学生词及表达，并跟读音频练习生词。然后，通过听后回答问题、读后把课文中出现的食物分类、读后回答问题、听后找短语并翻译来循序渐进地学习课文；并利用教材上的Let’s Do It! No.2 和No.3进行巩固和运用所学知识。最后，处理“动手活动”并进行学习总结。在整个课文的教学过程中，体现了“听——读——用”的教学原则，并且采用任务型教学法，以达到理解课文的目的。

教学目标

通过本课节的教学，学生达成以下目标：

1. 知识目标

掌握单词：corn, bean, Asian, include

接触单词：grain, vitamin, mineral, fibre, protein, soy, calcium, bone, yogurt,

contain, balanced, diet

短语：be rich in..., East Asian countries

2. 能力目标

(1) 掌握有关食物所含营养成分的词汇及表达；

(2) 能用英语介绍不同食物所含的不同营养成分。

3. 情感目标

养成饮食健康和饮食平衡的好习惯。

重点难点

1. 重点：本节课重点单词、短语。

2. 难点：能用英语介绍不同食物所含的不同营养成分。

教学准备

PPT 课件；食物图片。

授课时数

1课时

教学过程

Step 1  Review

Free talk.

Show the class four pictures of illness and talk about them with the whole class.

 have a fever    have a stomachache  have a toothache   His leg hurts.

  The dialogue:

  T: What’s wrong with…?

  S: He/She…

  T: Why does he/she…? Guess!

  S1: Maybe…

  T: …

    So, to keep healthy, we should have a good eating habit and have healthy food. Do you know what food is good for us? Let’s learn Lesson 3: Good Food, Good Health.

Step 2  Presentation

1. Teach the new words corn, grain, vitamin, mineral, fibre, bean, soy, protein,

yogurt, contain, calcium, bone, include and expressions be rich in..., a balanced

diet by talking about the pictures.

 T: Look at the picture. This is corn. And what are these?

 S: They are bread and wheat.

 T: Yes, They are grains. Grains are rich in vitamin, mineral and fibre.

  T: Look at the pictures. They are beans. And this is soy. What food are these?

  S: They are tofu, soy milk.

T: Yes. Soy can be made into protein foods.

 T: What’s this in Chinese?

 S: 酸奶.

 T: Yes. In English, it’s called yogurt. It contains much calcium. Calcium can keep our bones strong.

 T: What can you see in the picture?

 S: We can see different food.

 T: Yes. And we should eat different food to have a balanced diet. A balanced diet includes foods from different food groups.

2. Read the new words following the recording, and read the expressions alone.

  Then remember them.

  grain 谷物；粮食

  vitamin 维生素

mineral 矿物质；矿物

fibre（食物中的）纤维素

corn 玉米

protein 蛋白质

bean 豆子

Asian 亚洲的；亚洲人

soy 大豆（作物）；大豆食物

calcium 钙

bone 骨头；骨

yogurt 酸奶

contain 包含

balanced 均衡的

diet 日常饮食；日常食物

include 包括；包含

be rich in... 富含……

East Asian countries 东亚国家

Step 3  Listening and answering

   Play the recording of the lesson for the class to listen and answer the questions.

  1. How many food groups are there? And what are they?

  2. What is a balanced diet?

 Answers: 1. There’re four. They’re grains, fruits and vegetables, protein foods and calcium foods.

2. It should include foods from each food group.

Step 4  Reading

1. Get the class to read the lesson and choose the food words from the lesson and put them in the correct food group. (Let’s Do It! No.1)

Answers：

grains： bread，noodles，rice，breakfast cereal，corn

fruits and vegetables：salads

protein foods：meat, chicken，fish, eggs，beans, tofu，soy milk

calcium foods：milk，cheese，yogurt，green vegetables

2. Get the class to read the lesson and answer the questions.

（1）Why do we need grains?

（2）What is the best food for Vitamin B1?

（3）Why do we need fruits and vegetables?

（4）In which countries, people often eat bean products?

（5）Why do we need calcium?

（6）Do we need to balance our diet? Why?

 Answers：（1）Because grains give us vitamins, minerals and fibre.

（2）Corn.

（3）Because they help us grow and stay healthy.

（4）In China and other East Asian countries.

（5）Because calcium makes our bones and teeth strong.

（6）Yes, we do. Because a balanced diet will keep us healthy and give us lots of energy.

3. Get the class to listen to the recording of the lesson and find the expressions, and then translate them.

 be made of 由……制成

 be rich in... 富含……

 stay healthy保持健康

 East Asian countries 东亚国家

 make sb./sth. + adj. 使某人/某物……

 a balanced diet 平衡的饮食

 keep you healthy 使你保持健康

Step 5  Exercises

1. Match each word with its definition. (Let’s Do It! No. 2)

Answers: (above)

2. Then complete the passage using the four words.

It’s important for us to keep a balanced _____. To do this, we must eat many different kinds of foods. Bread, noodles, _____and rice are all grains. Grain foods give us vitamins, minerals and fibre. Fish, meat and ______ are full of protein. Calcium, which can be found in cheese, milk and _______, is good for our bones and teeth.

Answers: diet, corn, beans, yogurt

Step 6  Doing a survey

What do you usually eat at every meal? Do a survey and compare your eating habits with those of your classmates. Then report it. (Let’s Do It! No. 3)

Example:

My friend Danny has bread and milk for breakfast. He always has donuts for lunch and supper. I’m much more different. I have bread, eggs, a banana and milk for breakfast. I have rice and vegetables for lunch and noodles or cereal and vegetables for supper. I think Danny should change his eating habit. He should eat more fruits and vegetables. He should eat more protein foods like meat, fish and eggs.

Step 7  Hands-on Activity

Using pictures, tell the class how to make a fruit salad.

cut…into pieces,         put…on top         chill…in the fridge

put…in

Step 8  Summary

Sum up what we’ve learnt in this period with the class.

1. 食物的不同分类及所含的营养成分：

 food group: grains,  fruits and vegetables,  protein foods,  calcium foods

 contain: vitamin, mineral, fibre, protein, calcium

2. 介绍不同食物中所含有的营养成分及其作用。

Step 9  Language points

1. Fruits and vegetables are also rich in vitamins, minerals and fibre.

水果和蔬菜也富含维生素、矿物质和纤维素。

  be rich in... 富含…… 反义短语：be poor in。

  The country is rich in oil and coal.

  这个国家富产石油和煤。

2. In China and other East Asian countries, people often eat tofu and other bean products. 在中国和其他东亚国家，人们经常吃豆腐和其他豆制品。

  Asian

  ①adj. 亚洲的；亚洲人的。名词形式是Asia（亚洲）。

   China is an Asian country. It lies in the east of Asia.

   中国是个亚洲国家，位于亚洲的东部。

  ② n. 亚洲人

   Chinese and Japanese are Asians. 中国人和日本人都是亚洲人。

3. A well-balanced diet includes foods from each food group .

  均衡的饮食包括来自每一食物类别的食物。

  include  vt. 包括；包含

  指包括整体的一部分或一些要素，不用于进行时态，后可接名词、代词或动名词。

  Your duties include typing letters and answering the telephone.

  你的职责包括打印信件和接电话。

 【拓展】contain  v. 包含  表示包含全部内容或容量，也指里面所含的成分。

  The book contains 10 units. 这本书包含10个单元。

  Vegetables contain a lot of fibre. 蔬菜含有大量纤维素。   

Step 10  Homework

1. Remember the new words and expressions learnt in this lesson.

2. Write a survey report about eating habits of your classmates.

3. Preview Lesson 4.

当堂达标

Ⅰ.根据句意及提示写出单词

1. Corn is a kind of g__________.

2. China and Japan are East A___________ countries.

3. C__________ can keep our bone and teeth strong.

4. A ____________(balance) diet is good for our health.

5. S_________ can be made into tofu.

Ⅱ. 根据汉语意思完成句子

1. 蔬菜富含维生素。   

  Vegetables 　　　　 　　　　 　　　　 vitamins.

2. 维生素、矿物质和纤维素帮助我们保持健康。

  Vitamins, minerals and fibre help us 　　　　 　　　　.

3. 均衡的饮食将保持我们健康。

  A 　　　　 　　　　 will keep us healthy.

4. 面包是由面粉制成的。

  Bread 　　　　 　　　　 　　　　 flour.

5. 在日常生活中吃各种各样的食品是重要的。

   　　　　 important 　　　　 　　　　 all kinds of foods in everyday life.

答案:Ⅰ. 1. grains  2. Asian  3. Calcium   4. balanced  5. Soy  

Ⅱ. 1. are rich in  2. keep healthy   3. balanced diet  4. is made of 

5. It’s, to eat

板书设计

教学反思