仁愛英語九年級上冊課件.ppt

1、Unit 2 Topic2 All these problems are very serious. Section C張 新 魁睢陽區(qū)毛堌堆一中,Part One (一) The analysis of the Teaching Material 1.This lesson is the third one of Topic 2. So if the Ss can learn it well, it will be helpful to make the Ss learn the main idea of this topic. And it also helps the Ss to imp

2、rove their listening, speaking, reading,and writing skills.,2.The topic is about daily environment, so it is helpful to raise learning interests of the students .(二)The analysis of the StudentsSo far,the Ss has learnt English for more than 2 years . They should improve their ways and skills.,(三)Teac

3、hing Aims and Demands 1. Learn more about the harm caused by different kinds of pollution and the reasons of these kinds of pollution. 2.Get information by using simple reading . 3.Improve the Ss listening, speaking, reading and writing skills, and increase the Ss ways of studying .,(四) Key words an

4、d phrases on earth ,millions of ,take away, refer to,carbon dioxide,blanket, escape, the greenhousse effect,the level of sea rise (五)Teaching Aids a computer, a tape recorder, Power point and so on.,Part 2 The Teaching Methods 1. Communicative teaching method 2. Emotional teaching method The main ai

5、ms of learning English in the Middle School is to improve the ss abilities of listening, speaking, readingand writing. So, in the lesson, Ill mainly use the two teaching methods. Ill let the Ss to get a better understanding of a passage and improve their abilities.,Part 3 learning Ways 1.Teach the S

6、s how to be a greener person. 2. Let the Ss use listeningSpeakingReading to learn language. 3. Teach the Ss how to master the passage and how to communicate with others.,Part 4 Teaching Procedure Ill finish this lesson in 5 steps. Step1 Review T says: Look at the pictures in 1aand the blackboard.Dis

7、cuss in groups about what pollution human activities bring and what problems the pollution causes. Then get a few students to report the results of their discussion. let the ss to report the results of their discussion., and lead to todays content.,Step 2 Presentation (1)What is the ozone layer? (2)

8、 What does the ozone do? Is it good or bad for us? (3) What problem will the rise of carbon dioxide cause? Purpose of my designing: Let the students know the main idea of each paragraph,Step3 Pair work1.Let the ss choose the best answers according to 1a,and finish 1b .2.Let the ss find out the diffi

9、culties in 1a and solve them with the teacher. let the ss understand the text deeply.,Steps 4 Practice1.let two groups find out the influences of O3 ,CO2 and the greenhouse effect on the environment. Finish 22.Discuss:What should we do to protect the earth?,Step 5 Homework Make a social survey about the greenhouse gas on t