【重建课】+余为勇/淮滨县/马集中学。

教学案例设计

Unit 2  Saving the Earth

Topic2  All these problems are very serious.

Section A

Learning Aims and Demands:

1.Learn how sandstorms come into being     (学习沙尘暴形成的原因）

2. Learn the functions of the trees.           (学习树木的作用）

3. Learn the indefinite pronouns and adverbs . (初步学习不定代词和不定副词）

4.Master some important words and phrases.  (掌握一些重点单词和短语）

Teaching Plan: Aims(标) Leaching(学) Show (展) Comment(点) Exercise(练)

Learning producer：

Step1. Aims(标)

1.Knowing about the aims.

2.Watch a short movie to lead in.

Step2. Leaching(学)

1. Talk about how the sandstorm come into being.

2. Listen to 1a and choose the best answer in 1b.

Question: The boy and girls are talking about _______.

A. different types of sandstorms

B. the reasons for sandstorms

C. sandstorms in different cities

2. Read 1a by groups

①.students -----computer    ② computer ----- students 

3. Read 1a again with your partner and underline the functions of the trees.

（1）.__________________________________________

（2）.__________________________________________

（3）.__________________________________________

4. Work together(合作学习)-----Read 1a again and find out the key points.

Step3. Show (展)----Read、discuss and learn.(小组合作，综合探究)

1.走在大街上__________

2. 刚才__________

3.砍到 __________

   拓展：切碎/切断/切成碎_____/______/_________  

4. 结果__________

5.富饶的土地__________

6.变成__________

7.阻止某人做某____/______/__________________  

8.吹/冲走______/______________

9.尽管： __________ （不与________连用）

10.绿色长城______________

11.保护环境 ______________

12. While......,I couldn't see anything.

    Athough....,we still need to do something to ....

  (1)：anything 和something 都是_____________，表示不明确指代某人或某事的代词。不定代词是由some, any, every, no与thing,body,one等构成，如果some, any, no, every和where连用，就构成_____________。

(2)  I have ____ to tell you.   

A. important something   B. something important

总结：__________________________________________

   Everybody ___ ready for the match.

A. is         B. are

总结：__________________________________________

Step4. Comment(点)

1. Correct the mistakes.

2. Sum up the functions of the trees and the indefinite pronouns and adverbs .

Step5. Exercise(练)

一．Complete the sentences with the correct forms of the given phrases in the box.

1. People have cut down such a large number of trees that the land_________________desert.

2. There are fewer trees left, so the wind always _______ the earth________.

3. Air pollution has become a serious problem, so we must

 ______________ to reduce it.

4. we should try our best to _________ people ________

cutting down the trees.

5. In the future, human beings can protect the trees well.

 _____________, animals will live a happy life in the forest.

二． Use someone, something, anything, somewhere, anywhere to fill in the blanks.

6. Lily, would you like ___________ to drink?

7. Cindy is very busy now. She needs _______ to help her.

8. Is there _________ wrong with your computer?

9. Jim looked for his pencil-box ____________ , but he didn’t find it.

10. I stayed at home last week. I didn’t go __________.