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课件网) Unit 13 Section B (3a-3b&self-check) 人教版九年级全册 Content Learning objectives 01 Lead-in 02 Presentation 03 Writing 04 Summary 05 Homework 06 目录 Learning objectives After learning this lesson, you can: 复习并巩固本单元所学词汇。能够掌握后缀构词法。 通过运用正在进行时、现在完成时和被动语态等描述污染、环境保护和循环再利用，来培养学生爱护环境和保护动物的意识。 Lead in What kinds of environmental problems do you know air pollution water pollution waste pollution light pollution land pollution noise pollution Presentation 3a …… Think about the environment in your town/city and complete the chart below. Which parts of the town/city have a nice environment Why are they nice Which parts need to be improved Why Good environment Why Bad environment Why Presentation 3a Which parts of the town/city have a nice environment Why are they nice In the south part of the city, the government thought about some ways to cut down pollution. use reusable bags instead of plastic bags don’t take wooden chopsticks or plastic forks sort garbage Presentation 3a Which parts of the town/city have a nice environment Why are they nice In the south part of the city, the government thought about some ways to let people know. hand out notices make videos post articles on the Internet make speeches Presentation 3a Which parts need to be improved Why The northern part of the city needs to be improved. There is rubbish everywhere. People are throwing litter into the river. Presentation 3b Write a letter to the city mayor about the problems and your suggestions. In your letter, describe the environmental problems in your town/city. 1. What are the problems 2. Where are they 3. What or who is causing these problems Then, give suggestions or possible ways to solve the problems. I think that… We should/could… I suggest… It is a good idea to …. It is useful/helpful/important/necessary to do sth. We’d better do sth. Writing …… How to save the earth should/ can … had better ... It’s necessary / important to … Save the energy Cut down the pollution other ways ride bikes or walk instead of… … turn off the light /shower … keep the balance of ecosystem, plant more trees, … the little things in daily lives government and public We should... We’re supposed to ... We can... It’s important/necessary to... We’d better... We’re trying to... Writing Dear Mayor, I’m glad to write this letter to you. I’d like to talk about the environment in our city. Our city is not as beautiful as before. Environmental problems are becoming more and more serious. The river is dirty. People are throwing litter into the river or in public places like parks. Factories are putting waste into the river and they burn coal. And most of us ride in cars to school. I think it is time to play a part in saving the earth. First of all, we should let more people know the importance of environmental protection. We’re supposed to save water ... ...
