Unit 3 Trees and us Section 1 课件-2024-2025学年沪教版（2024）英语七年级下册

Unit 3 Trees and us Reading Lead-in fruit branch trunk root flower leaf （leaves） Watch a video Trees are_____ to birds and animals. Trees ______ us with fruit,wood,etc. A lot of furniture _______ of wood. home provide is made Trees are really important in our daily lives .They are our silent friends. Fill in the blanks Before you read Look at the introduction, title, pictures and the first sentence of each paragraph,and answer the following questions. What is the article mainly about? Where can you find the article ? A.on a travel guide B.on a website A.The importance of trees B.ways to protect trees Our silent friends From the deepest forests to our towns and cities, trees are all around us. We share our world with trees. They are our silent friends, but we often overlook them. In fact, trees are very important for all living things on Earth. To begin with, forests are a safe place for animals, insects and plants to live. Trees are also good for us humans because they take in greenhouse gases like CO2 and produce oxygen. This means they help create a clean environment for everyone on this planet. Trees make our lives more convenient. Many of the things around us, such as paper and pencils, come from trees. Just look around your room—a lot of the furniture is made of wood. Trees also provide us with delicious fruit and wonderful drinks. For example, we can make tea from the leaves of the tea tree. Trees do so much for us. We can’t imagine a world without them. However, humans are not treating trees in a kind way. We are cutting down forests all around the world. We are polluting the water and the air, and this harms trees. All these things are a big problem. We need to do more to protect trees and save our planet. While you read From the deepest forests to our towns and cities, trees are all around us. We share our world with trees. They are our silent friends, but we often overlook them. Read the first paragraph 1 and get the main idea of it. Read the second paragraph and answer some questions. 1.What is the topic sentence of this paragraph? 2.How many examples does the writer use to support the topic ? pay attention to the linking words Trees make our lives more convenient. Many of the things around us, such as paper and pencils, come from trees. Just look around your room—a lot of the furniture is made of wood. Trees also provide us with delicious fruit and wonderful drinks. For example, we can make tea from the leaves of the tea tree. Read the third paragraph and think about what we can get from tress. Trees do so much for us. We can’t imagine a world without them. However, humans are not treating trees in a kind way. We are cutting down forests all around the world. We are polluting the water and the air, and this harms trees. All these things are a big problem. We need to do more to protect trees and save our planet. Read the last paragraph and answer the following questions 1.How are humans treating trees now? 2.What should we do? After you read Retell the article according to the mind map. share ...with... , overlook a safe place for animals,insectsand plants to live take in produce oxygen are good for us humans important for living things convenient paper,pencils come from furniture is made of provide us with fruit, drinks (tea) can't imagine ... However, are cutting down, are polluting , protect trees and save our planet Discuss the questions below in your group. (1) Why is the article titled “Our silent friends”? What does the title mean? (2) What is the purpose of the article? What does the author want to tell us? What would a tree say? Imagine you are a tree. What would you like to tell human beings? Work in pairs and design a poster. (1) You can begin with “Hello, I am a tree.” (2) Explain why trees are important and how humans are harming trees. Then ask humans to protect trees. Use at least eight sentences. (3) Add an attractive title and some drawings to your poster. (4) Vote on the best posters. They will be put up on trees in our school. Let 's remember Clear waters and green mountains are as valuable as the mountains of gold and silver . --- President Xi 绿水青山就是我们的金山银山。 --习近平 Homework 基础作业 1. 模仿课本录音的语音、语调，朗读课文。 2. 完成课本第39页Vocabulary practice。 3. 继续完成课堂上的活动，完善保护树木的海报。 拓展作业 搜索信息，查阅树木对人类和地球的重要性相关的资料。 Thanks！ $