Unit 13 Section B 3a-Selfcheck 课件 2022-2023学年人教版九年级英语全册

unit 13 We are trying to save the earth Section B 3a-selfcheck Teaching aims By the end of the class, you will be able to: 1. know the structure and the language features of the letter to the city mayor. 2.write a letter about the environmental problems and give suggestions. 3. realize the importance of protecting the environment and start it with yourself. Think about the environment in your town/city and complete the chart below. 3a 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 park the air is clean streets so many trees restaurants clean and tidy river a lot of rubbish so many cars air too many factories streets 3b Writing 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… 四步三要素法”写环保的文章 ◆ 步骤一：先写出 问题所在。 ◆ 步骤二：先说出有利的一面。  ◆ 步骤三：再说出不利的一面。 ◆ 步骤四：说出自己的观点。 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 What caused the environmental problems? Problems pollution waste of energy break the balance of ecosystem waste water waste gas plastic bags … forget to turn off the light or shower … cut down too many trees kill the animals … the environment around us is becoming worse and worse…,we can't see…,the air is so… One possible version Dear Sir/ Madam, Environmental problems are becoming more and more serious all over the world. With the development of the society, there are too man