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Plantingtrees(10)

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来源: 2003-4-15 3:18:37

 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
 VII. Background Knowledge
T: Sanbei shelter- forest(三北防护林) is known as China’s “Great Green Wall”. It is a “Great Green Wall” of trees, millions of trees. China has a built a new Great Green Wall across the northern part, including Inner Mongolia, Shanxi, Hebei, Beijing and Tianjin. The Great Green Wall also covers some of the Northwest (Xinjiang, Qinghai, Gansu, Ningxia and Shanxi) and the western part of the Northwest (Liaoning, Jilin and Heilongjiang). It includes altogether 13 provinces, cities and autonomous regions(自治区) . Its total area is 4 069 000. Wall will take 73 years ( 1978 - 2050) . The Great Green Wall has already saved a lot of land by stopping the wind from blowing the earth away and the sand from moving towards the rich farmland in the south. But more “Great Green Walls” are still needed and not only in China. They must be built all over the world.
 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
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.
Lesson 43
Properties: Recorder; Overhead Projector; Pictures.
Teaching aims:
1. Measurement.
2. The Passive Voice
3. With modal auxiliaries ( can, may, must. . . . )
Language Focus:
Learn how to use measurement and the Passive Voice with modal auxiliaries
Teaching Procedures:
 I. Showing the teaching aims
 II. Revision
Check the students’ retelling.
 III. Leading in
Let the students look at the following sentences. Pay more attention to the underlined words.
1. Peter is one metre seventy tall.
2. The room is ten metres long.
3. The window is 3 metres wide.
4. The hill is 50 metres high.
5. The well is 4 metres deep.
Ask the students to tell the structure. Point out the position of the adjective at the end of the sentence again.