Lesson 42

Properties: Recorder; Overhead Projector; Pictures.

Teaching aims:

　　1. Let the students get the main idea of this passage.

　　2. Learn some useful words and expressions.

　　3. Let the students understand the importance of planting trees.

Language Focus:

　　 keep … from doing something, stop … from doing something, the more, the better.

Teaching Procedures:

I. Showing the teaching aims

II. Revision

　　1. Check the students’ homework. Ask some students to tell how to plant a tree.

　　2. Let the students use “should” and “must” to make sentences.

III. Leading in

　　Ask the students to look at the pictures and tell the students that it’s about the Great Wall, There are many trees - forest just like a wall to protect something. Ask: Do you know why the Great Green Wall was built? Give the students a few minutes to discuss. Then collect their information. Then say : Your opinions are very good. Some are right, but they are not enough or exact. Shall we find the answer from the text?

　　Get the students to read it quickly, and see who can find the answer first.

IV. Reading

　　Open the wordbook, Look at Exercise I and ask the students to remember the questions in their mind. Then read the passage again, but more carefully. Do Exercise I individually first, then work in pairs, at last check the answers with the whole class.

V. Practice

　　Listen to the tape, pay attention to the stress and intonation. Listen again and read the passage after the tape sentence by sentence, then let the students practise reading by themselves. While they are reading, the teacher may ask some questions.

VI. Teaching Language Focus

　　Let the students grasp the following phrases and notes.

　　1. stop… from doing something

　　She stopped me from telling the secret to her parents.

　　We must stop him from doing such a thing.

　　2. among the young tree

　　“Among” is used for more than two; “Between” is used for two .

　　3. The more, the better

　　4. Point to, Point at

VIII. Workbook

　　Do Exercise 2 in class. “The answers are: 1. prevent 2. desert 3. towards 4. farmland 5. among 6. direct 7. flood

　　Do Exercise 3 in class. The answers are: built, across, long, wide, from, sand, towards, farmland.

IX. Consolidation

　　Get the students to ask and answer questions according to the text. Let them really to

understand the passage, then ask them to retell it.

X. Summary

Exercises in class

　　Fill in the blanks with the right form.

　　1. China has built a new Great Green Wall across the ___________ part of the country. ( north)

　　2. It’ a “Great Green Wall of trees”,__________( thousand) of trees.

　　3. The Great Green Wall will stop the wind from___________(blow) the south .

　　4. The more, the___________(better) .

　　5. We grow our own food, too. ___________to the Great Green Wall. ( thank)

XI. Homework

　　Finish off the exercises in the workbook.

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