Unit 2 Remember three words: reduce, reuse and recycle.

Heal the earth

Teaching Aims and Demands:

Key structures: Some rules of word formation: prefix and suffix. (重点 )

To understand the passage. (难点 ) To get the main idea of each paragraph. Attitudes: To protect our world.

Match the words with the pictures:

bottle

boil

Which things are better for the environment ? Why?

It’s better for Chinese people to buy Chinese products than products form abroad.

It is better to use a lunch box and china cup than a paper cup, because they are reusable. Paper cups can only be used once and have to be throw away.

It is much better to recycle used things than burn them. In this way we can use less energy; also, burning pollutes the atmosphere.

Read the passage and answer the questions.

How green are you?Do you care about protecting the

environment and saving energy?

Check (√) the things you should do.

1. buy the latest fashions 2. choose local products 3. waste energy when things are

made 4. buy things from abroad 5. repair things 6. use paper cups and bags 7. throw things away 8. burn things

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√

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Read the passage and give reasons for what you should or shouldn’t do.

eg: You shouldn’t buy the latest fashion because it waste energy to make them.

You should grow your own food if possible because it saves money.

You shouldn’t throw things away because they should be recycle.

You shouldn’t burn things because that pollutes the air.

Work in pairs and answer the questions.1. What can we reuse?

2. What can be recycled?

3. What can’t we throw away?

4. What takes a lot of energy to make?

5. What pollutes the air and water?

We can reuse a lot of things, such as paper, water.

Paper, cloth, batteries and glass can be recycled.

If things can be used for a longer time, we shouldn’t throw them away.

New things take a lot of energy to make.

Things made out of plastic and rubber.

Make a poster about how to be green.

Make a list of the things that use power in your home.lights, cooker, car, fridge …

Make a list of green products – things that have already been recycled.envelopes, paper …

Make a list of things you use every day that you could recycle.

glass bottles, newspapers, old clothes, drinks cans …

Make suggestions about how to be green.

Give reasons using because, so and so that.Don’t throw bottles away because it’s better to recycle them.Do turn out lights so that you use less energy.Try to use recycled envelopes because it saves energy.

Language points:1. We all need a healthy environment, but we

produce waste every day and it does harm to our environment.

解析 : do harm to “ …… ”意为 对 有害处 。英文“ …… ”中 对 有好处 可说： do good to…如：

Tom would never do harm to them.

A holiday will do good to you.

Going to bed late every night will do more harm than good.

2. In fact, even the simplest everyday activities can make a real differences to the environment.解析 : everyday “是一个形容词， 每日的，每

”天的 ，用来修饰后面的名词；而 every day是两个单词，后面不能有名词被它修饰，只能在句中作状语。如：

Computers are now part of everyday life.We walk to school every day.

Language points:

解析 : make a difference (to…) 意思“ …… ”是 （对 ）产生重大影响 。如：

You needn’t do it. It’ll make no difference.

Exercise made a great difference to her health.

Language points:

3. Although it takes energy to change something into something else, it is better than throwing things away or burning them.解析 : everyday

“ ”是一个形容词，意为 每日的，每天的 ，用来修饰后面的名词；而 every day是两个单词，后面不能有名词被它修饰，只能在句中作状语。如：

Computers are now part of everyday life.We walk to school every day.

Language points:

Homework:

Retell the text.