1. Saving the earth

2. Teaching aims Teaching aims 1,improve the students ’ speaking ability by talking about nature ecology and the environment 1,improve the students ’ speaking ability by talking about nature ecology and the environment 2,learn and master some useful new words and expressions for supporting an opinion 2,learn and master some useful new words and expressions for supporting an opinion 3,learn something about the environment to help the students know the importance of protecting our earth 3,learn something about the environment to help the students know the importance of protecting our earth

3. Teaching important points Teaching important points 1,improve the students ’ reading ability 1,improve the students ’ reading ability 2,master the useful words and expressions 2,master the useful words and expressions

4. Teaching difficult points Teaching difficult points 1,how to help the students master the usage of the useful words and phrases in the passage 1,how to help the students master the usage of the useful words and phrases in the passage 2,how to improve the students ’ reading ability 2,how to improve the students ’ reading ability

5. Look at the pictures.how beautiful they are !Do you want to pay a visit to these places?

6. But in some places, it ’ s not so beautiful. Look at the pictures, please. But in some places, it ’ s not so beautiful. Look at the pictures, please.

7. What can see in the pictures ? What can see in the pictures ? Yes,from the pictures we can see that our environment has been destroyed seriously,immediate action must be taken to stop the destroyed environment. Yes,from the pictures we can see that our environment has been destroyed seriously,immediate action must be taken to stop the destroyed environment. Now who can tell us what cause these problems? Now who can tell us what cause these problems?

8. Explanation 1,representative 1,representative n. people chosen to present another or others. n. people chosen to present another or others. adj. serving to show a class or group adj. serving to show a class or group e.g. He was the first representative to China. e.g. He was the first representative to China. This painting is representative of his work. This painting is representative of his work.

9. 2.access 2.access n. 1 means of entering a place n. 1 means of entering a place 2 opportunity or right to use something 2 opportunity or right to use something or approach somebody or approach somebody e.g. The only access to the farmhouse is e.g. The only access to the farmhouse is across the fields. across the fields.

10. 3 stress vt. Put stress or emphasis on (sth.) vt. Put stress or emphasis on (sth.) n. Special emphasis or significance n. Special emphasis or significance e.g. I stressed the importance of coming e.g. I stressed the importance of coming early early My parents lay great stress on honesty. My parents lay great stress on honesty. 4.take action do sth.in response to what has happened do sth.in response to what has happened e.g. Immediate action must be taken to e.g. Immediate action must be taken to stop the fire spreading stop the fire spreading

11. 5. in harmony with …… agreeing,matching agreeing,matching e.g. His tastes are in harmony with mine e.g. His tastes are in harmony with mine 6. put an end to … stop sth. from happening any more stop sth. from happening any more e.g. we must put an end to this foolish e.g. we must put an end to this foolish behaviour. behaviour.

12. Homework Homework Try to make sentences with them so that Try to make sentences with them so that that you can use them freely.Don ’ t that you can use them freely.Don ’ t forget to preview the text. forget to preview the text.