教学ppt课件 unit 9 saving the earth warming up listening speaking.ppt

Unit 9 Saving the earth water pollution rubbish desertification deforestation air pollution starvation What is the biggest problem facing the earth? Why do you think so? What causes the problem? What can we do to solve the problem? Why is she giving this speech? What does she think the most serious problem is? What does she say we should do about it ? Outline the speaker’s arguments. Argement 1: We should We must We must If we ,we Argement 2: Problem: Solutions: Answers to Part 1: She is giving this speech to celebrate Earth Day (and to talk about serious problem/to ask people to take action) 2. She thinks that water pollution/protecting our water is the most serous problem 3. (1) We must learn to take better care of our water. (2)We must stop polluting our water. (3)We must learn to save water in our daily life. Answers to Part 2: Argument 1: We should We must We must If we , we take better care of our water. be more careful when we use our water. use modern technology that some countries have already developed to solve the problem. work together and share what we know will be building a better future for all of us. Argement 2: Problem: Solutions: Answers to Part 2: We must stop polluting our water We are polluting water at an alarming pace. Cars , factories, and air conditioners pollute the air and the water We must change the way we think and the way we live. Let’s not drive if we can walk or ride a bike. Let’s try not to use air conditioners more than what is absolutely necessary Let’s not buy products that cause pollution. Let’s make new rules and use new technology to make sure that factories are green and clean. SPEAKING Situation: A meeting is being held in an area where there is A lot coal. Coal is a valuable resource that