Unit 10 The world around us 教学示例（二）I. Teaching aims: 1.Learn some useful words and expressions 2.Do some reading to improve the students’ reading ability II. Teaching aids:Tape recorder, Pictures III. Grammar: Direct and Indirect SpeechIV. Teaching steps:1. Pre-reading: 1. T ask Ss: What do human beings need to survive? What do plants and animals need to survive?2. Group work: Let Ss discuss the following questions: Do you think human beings can live on the earth without plants and animals? Why?Do you have pet in your home? Do you think the animals are our friends? Please tell me any stories. 3. Show some pictures of animals to Ss. II. Reading1. (Skimming)Let Ss read the text first, and find out the answer to the following questions. Who is Steve Jones? What is the article probably about? What cause a species became endangered?(Para 2)2. (Scanning )Let Ss read the passage again and fill in the box Main reasons for endangered species1. destruction of human beings2. introduction of a new species3. overuse of a plant and over-hunt of animals4. lack of food5. pollution 3. Tell the students to read through the text once, marking any new words and then explain the meaning of new words.III. Post-reading1. Group work: Work in pairs. And write your own list about protecting environment.2. Group work: And look at some pictures, let Ss make a list of different pollutions. Then discuss the ways to protect our earth. 3. Group work: And look at some pictures, Then discuss the ways to protect endangered animals . IV. Language points Useful expressions:1. keep…from doing sth 2. take good care of 3. on a tour of 4. die out 5. live a better life 6. have a bright future 7. take measures 8. be used to 9. adapt to 10. too much 11. a lot we can do to help V. Summary and Homework Let Ss finish all the exercises in the book
