[初三上]Make our world more beautiful!3(人教版)

Language Focus: leave … on my desk, The more trees, the better …

Properties: Recorder; Overhead Projector; Pictures

Teaching Procedures:
　I. Showing aims
　　Get the students to know what they will learn in this lesson and what they will do in this class:
　　1. To master some useful expressions.
　　2.To learn the dialogue and act out the dialogue.
　　3.To use the Present Perfect Tense freely.

　II. Revision
　　1. Check the homework
　　2. Revise the passage of Lesson 10. Ask: What have you done to the environment? Have you done anything to harm the environment? What have you done to protect the environment? Help the students answer correctly. Then ask: How can you make our world more beautiful? Get several students to give their own idea.

　III. Presentation
　　Present this dialogue:
　　A: Have you been a teacher?
　　B: Yes, I have.
　　A: How long have you been a teacher?
　　B: Two weeks.
　　First get the students to practise in pairs, then make similar dialogues.

　IV. Presentation
　　Part 1. Speech Cassette - Play the tape for the students to listen and try to find the answers to the questions: Where has Lin Feng gone? Why has he gone to do it again? See if the students can answer correctly.
　　Books open. Play the tape again, get the students to repeat after the tape, have two students read the drills for the class.

　V. Practice
　　Have the students practise the dialogues in pairs, then ask some pairs to act out the dialogue in front of the class.

　VI. Read and answer
　　Have the students ask and answer in pairs, Using the words in the box help them.

　VII. Guessing games
　　Get the students to guess the riddles. If time permits, do it in class, if there is no time, do it after class.

　VIII. Workbook
　　Do Exercise I in class. Have the students do it individually, then check with the whole class. First, Do Exercise 2 orally, then write down the sentences.

　IX. Summary
　　Exercises for class
　　Fill in the blanks with the right verb forms;
　　1. Where __________ you __________ (go) yesterday?
　　I __________ (go) to the zoo.
　　I __________ never _________ (be) to that zoo before.
　　2. Where is Mr Green? He ___________ (go) to the library.
　　3. ___________ you ___________ ( hear) him before? No, never.
　　4. ___________ you ___________ (finish) your homework yet?
　　5. How long __________ you __________ (live) in China? For two years.
　　6. ___________ you ever ___________ ( throw) any litter onto the ground?
　　7. When ___________ you __________ (throw) the litter onto the ground?
　　8. Why ___________ he ___________ (cut) down trees two days ago?

　　Answers: 1. did go have gone been 2. has gone 3. Have heard 4. Have finished　5. have lived 6. Have thrown 7. did throw 8. did cut

　X. Homework
　　Finish off the exercises in the workbook.