Unit 5 A fine balance--Listeng & speaking 课件 2026-2027学年外研版英语九年级上册

A fine balance Listeng & speaking Development and conservation of forests 外研版九上Unit 5 Learning aims 能够描述雨林的作用 01 Forests - "The master control room of Nature" 描述雨林面临的生态问题 02 Global environmental problems of rainforests 介绍人类为保护雨林采取的措施与成就 03 The measures to protect the rainforest Lead in 01 What can you see in the picture? The picture show us the forests with lots of tall trees. Ther is a man who is cutting down trees or logging with a chiansaw. Lead in 01 Why does the man cut down trees? Maybe he logs trees for money. Maybe he logs trees to make papaer. Maybe he logs trees to make space for farming or living. Lead in 01 What influence will it have? On one hand, the animals and plants will lose their homes; on the other hand, it will be harmful to the environment and then break the balance of nature. The geography club is going to make a report about rainforests. They are doing some research. Warm-up: 雨林知识知多少 02 While-listening 03 Look & Tick Listen & check lungs of the earth disappearing paper What things are mentioned? While-listening 03 Listen & choose a Where you can find rainforests. b Why rainforests are important. c What animals live in rainforests. d Why rainforests are disappearing. While-listening 03 Read & answer 1. Why rainforests are important? 2. Why rainforests are disappearing? Rainforests are the “lungs of the earth”, because they produce oxygen and help control the world’s climate. Rainforests are home to many animals and plants. Farmers cut down trees to make more space for their animals. Factories cut down trees to make paper. The school radio programme is introducing some effective solutions. While-listening 03 Look & say problem solution invention result While-listening 03 Listen & complete against difficult ears mobile phone tied catches the noise the place 10 /ten While-listening 03 Read & answer Welcome to today’s programme. We will tell you a useful way to deal with your old mobile phone. Logging in rainforests is usually against the law. However, it’s difficult to notice it. Topher White, a US engineer, has come up with a more suitable solution — he puts “ears” on trees. His invention uses an old mobile phone, a solar panel and a microphone. This is how it works: First, the invention is tied to trees. Next, an app on the mobile phone starts listening. When it catches the noise of cutting down trees, it sends an alarm to the forest guards. The guards can soon find the place and stop the logging. The invention has been used in 10 countries. It has saved over 2,500 square kilometres of rainforests. That’s about the size of 350,000 football fields. What is the problem? Who is the inventor? What did he do? What does his invention use? What does his invention catch? What is the result? What can the guards do when receiving an alarm? While-listening 03 Read & Think Welcome to today’s programme. We will tell you a useful way to deal with your old mobile phone. Logging in rainforests is usually against the law. However, it’s difficult to notice it. Topher White, a US engineer, has come up with a more suitable solution — he puts “ears” on trees. His invention uses an old mobile phone, a solar panel and a microphone. This is how it works: First, the invention is tied to trees. Next, an app on the mobile phone starts listening. When it catches the noise of cutting down trees, it sends an alarm to the forest guards. The guards can soon find the place and stop the logging. The invention has been used in 10 countries. It has saved over 2,500 square kilometres of rainforests. That’s about the size of 350,000 football fields. Why is logging difficult to be noticed? How does Topher’s invention work? Summary 04 What problem do the rainforests face? What did Topher do to help? How does Topher’s invention work? What do you think of his invention? All about rainforest Work in pairs What problem do the rainforests face? What did Topher do to help? How does Topher’s invention work? What do you think of his invention? Work in pairs It’s hard to He invented a tool that uses , and to stop First, Then, When it it sends The guard can .. It is With the help of the invention, 雨林的前途 05 The future of rainforests 保护热带雨林的六项措施 加强环境教育,提高公民环保意识 设立国际基金,使当地从管理和保护中获益 加强雨林管理和保护,简历自然保护区 鼓励保护性的开发方式,如雨林观光、生态旅游 森林选择性才发与更新造林相结合 加强雨林缓冲区的建设,减少移民进入雨林区机会 Development and conservation of forests It’s our duty to protect nature. null 65898.48 null 70999.41 $