Unit 3 Trees and us 课件-2025-2026学年沪教版七年级英语下册

该初中英语课件围绕“树木与人类”核心主题，涵盖树木结构、功能及保护方法，通过趣味事实导入，以问题链引导学生从树木结构标注过渡到功能讨论，构建从认知到应用的学习支架。 其亮点在于融合语言能力、思维品质与学习能力培养，如通过阅读策略区分事实与观点（思维品质），词汇练习和语法结构训练（语言能力），结合音频材料及小组对话（学习能力）。实例包括阅读后讨论文章目的提升分析能力，帮助学生建立环保意识，教师可高效开展互动教学。

Listening amazing trees, page forty two. listen to the podcast the natural world and tick the main topic of IT. Amazing trees. Good evening. Thanks for joining me. In this weeks, the natural world, i'm rebecka. For the next four weeks, we'll talk about trees around us. And today's topic is about how trees help each other. Being a tree can be difficult, but trees have found ways to make IT easier for one another. In fact, trees are not alone. They have very long roots, and they use them to communicate with their neighbours. When something bad happens to a tree, IT may be able to send a message through its roots. Then the other trees will try to help IT. Did you know that like us, trees also have families. Older trees give Younger trees food and water. Younger trees also help older trees survive. When one tree becomes ill, the healthy trees around IT will try to help. Most trees only share things with trees from the same species. However, some trees always help their neighbours, even if they aren't their relatives. Trees know they are stronger together. When the branches and leaves join together, they don't need to worry about strong winds together, they grow Better and stronger. Aren't trees amazing? That's awful today. Next week i'll talk about famous trees in china. What are they? Think of your favourite and join me next tuesday to find out more. See you then. Three, listen again, decide whether the following statements are true. T office F. Amazing trees. Good evening. Thanks for joining me in this weeks, the natural world, i'm Rebecca. For the next four weeks, we'll talk about trees around us, and today's topic is about how trees help each other. Being a tree can be difficult, but trees have found ways to make IT easier for one another. In fact, trees are not alone. They have very long roots, and they use them to communicate with their neighbours. When something bad happens to a tree, IT may be able to send a message through its roots. Then the other trees will try to help IT. Did you know that like us, trees also have families. Older trees give Younger trees food and water. Younger trees also help older trees survive. When one tree becomes ill, the healthy trees around IT will try to help. Most trees only share things with trees from the same species. However, some trees always help their neighbours, even if they aren't their relatives. Trees know they are stronger together. When the branches and leaves join together, they don't need to worry about strong wind together. They grow Better and stronger. Aren't trees amazing? That's awful today. Next week i'll talk about famous trees in china. What are they? Think of your favourite and join me next tuesday to find out more. See you then. Key question Why do we need trees？ Unit 3 Section 2 Section 2 Grammar Exploring and applying rules The present continuous We use the present continuous to show that something is happening now. Li Na is talking to Wang Jie on the phone. Read the dialogue and pay attention to the words in bold. 注意 在家 be away 离开 看电视节目 Unit 3 Section 2 Unit 3 Section 2 Unit 3 Section 2 1 Chen Li is making a video about how trees protect themselves from enemies. Help her complete the video script with the correct form of the verbs in brackets. are eating am feeling is moving is waiting 此时此刻 fight back 反击；还击 Unit 3 Section 2 is eating is giving is enjoying 呼救 Unit 3 Section 2 2 Look at the pictures and describe what people are doing. 照顾 Unit 3 Section 2 Homework 完成相关课后习题 Unit 3 Section 2 Thanks Unit 3 Section 2 $Section for extending and developing competencies focusing on culture page forty six tea is one of the wonderful gifts trees provide us with. How did IT become a popular drink around the world? Let's explore the history of tea. One, read the article and think about the different . uses of tea luu and charging. When and where did people start drinking tea? Historians are not sure, but people in china have grown tea for thousands of years. According to a chinese legend, shenyang discovered tea by accident when some leaves fell from a tree into his drink. The oldest tea archeologists have found so far is almost two thousand, two hundred years old. IT dates back to the early han dynasty, but before the tongue dyna sty, people usually did not drink tea for the taste. They used IT as medicine, thanks to a man named leu u. Seven hundred and thirty three to eight hundred and four C. E. People all over china started enjoying tea as a drink. Love you carefully studied the art of making tea, and he wanted to share his knowledge with others. He decided to write, charging the classic of tea. This was the world's first book about tea and tea culture. IT was only about seven thousand characters long, but the book became very popular. Not long after lu you died, tea culture quickly spread across the country, and he became known as the sage of tea. People still read charging today, and there are translations of the book in english, french, japanese and many other languages. Key question Why do we need trees？ Unit 3 Section 3 Section 3 Expressing and communicating ideas Speaking Talking about ways of saving trees Trees are important to us. Talk in groups about how we can save trees. Look at the example and use the list below to help you. 号召 砍伐 Unit 3 Section 3 双面书写或印刷 borrow sth. from… 从……借…… share sth. with sb. 和某人分享某物 Unit 3 Section 3 思考 Unit 3 Section 3 Writing Writing a script for a live report on Tree Planting Day 1 Look at the pictures from Tree Planting Day and discuss what the students are doing. Use the expressions below to help you. send…to… 发送…给… Unit 3 Section 3 • dig a deep hole • use a stick to support the sapling • plant a sapling ① into the hole • water the sapling ... Unit 3 Section 3 2 Now write a script for your live report on Tree Planting Day. Step 1 Plan Plan your script using the outline below. Unit 3 Section 3 Unit 3 Section 3 Step 2 Write Complete the script according to the outline in step 1. Some students are planting trees here. Some students are digging deep holes with shovels. They are working very hard. Other students are carefully putting the saplings into the holes. Some are using sticks to support the saplings, and they are tying the sticks to the saplings. Also, some students are carrying water and watering the saplings. Unit 3 Section 3 Step 3 Check and revise Tick (✓) the boxes to check your writing, and then revise it. Unit 3 Section 3 Homework 完成相关课后习题 Unit 3 Section 3 Thanks Unit 3 Section 3 EV录屏5.2.3软件录制 null 167139.92 $ Key question Why do we need trees？ Unit 3 Section 4 & Checking your progress Section 4 Extending and developing competencies Focusing on culture Tea is one of the wonderful gifts trees provide us with. How did it become a popular drink around the world? Let’s explore the history of tea. 1 Read the article and think about the different uses of tea. Unit 3 Section 4 & Checking your progress When and where did people start drinking tea? Historians are not sure, but people in China have grown tea for thousands of years. According to a Chinese legend②, Shennong③ discovered tea by accident when some leaves fell from a tree into his drink. The oldest tea archaeologists④ have found so far is almost 2,200 years old. It dates back to the early Han dynasty. 根据 偶然的 fall from 从……掉落 追溯到 Unit 3 Section 4 & Checking your progress But before the Tang dynasty, people usually did not drink tea for the taste—they used it as medicine. Thanks to a man named Lu Yu (733–804 CE⑤), people all over China started enjoying tea as a drink. Lu Yu carefully studied the art of making tea, and he wanted to share his knowledge with others. He decided to write Cha Jing (The Classic of Tea). This was the world’s first book about tea and tea culture. It was only about 7,000 characters long, but the book became very popular. Not long after Lu Yu died, tea culture quickly spread across the country, and he became known as the Sage of Tea. People still read Cha Jing today, and there are translations of the book in English, French, Japanese and many other languages. 多亏，幸亏 制茶 不久之后 become known as 开始作为……出名 in+语言 用语言 Unit 3 Section 4 & Checking your progress Unit 3 Section 4 & Checking your progress 2 Answer the questions below with the information from the article on page 46. (1) How did Shennong discover tea, according to the ancient Chinese legend? (2) How did people before the Tang dynasty use tea? (3) Why did Lu Yu write Cha Jing? Shennong discovered tea by accident when some leaves fell from a tree into his drink. People used it as medicine. Because he carefully studied the art of making tea and wanted to share his knowledge with others. Unit 3 Section 4 & Checking your progress 3 Complete the sentences with the words and phrases below. Change the form if necessary. (1) She has a lot of _____________ about the history of tea, and she often appears on TV to talk about it. (2) I discovered this book about tea _____________ in the school library. (3) The different parts of a Chinese _____________ have different meanings. (4) I didn’t like the old _____________ of the novel—the new one is much better. (5) _____________ my friend Wang Yao, there was a great TV programme about tea last night. knowledge by accident character translation According to Unit 3 Section 4 & Checking your progress 4 What kinds of tea in China do you know? Which of these have you tried? Share your experiences / ideas in groups. Unit 3 Section 4 & Checking your progress Cross-curricular connection | Biological science From the podcast The Natural World, we have learnt that trees also have families and relatives like us. Actually, they have senses too. 1 Read the article about how trees sense things. Match the headings below with the paragraphs. Unit 3 Section 4 & Checking your progress Tree senses In the past, scientists didn’t know that trees could sense things. Now, they are discovering that trees can notice lots of things around them! (1)________________ Trees can sense many different things with their roots. For example, they can feel where “up” and “down” are. There is no light down in the earth, but the roots always know which way to grow. (2)________________ Trees can feel different temperatures. They know when to drop their leaves in autumn, and when to grow new leaves in spring. (3) ________________ If an animal starts biting a tree of a certain species, the tree can find out what happens. For example, if a deer starts eating from a tree, the tree can make its leaves taste really bad after a while. c a b 在地下 落叶 发现 过了一会 Unit 3 Section 4 & Checking your progress (4)________________ Tree roots can sense different sounds. They really like the sound of running water when it is dry. If the sound continues for a long time, the roots will slowly start growing towards it. (5)________________ Trees can sense different kinds of light and colours. They know where the sun is, so their branches grow in that direction. That’s why trees in the northern hemisphere① usually have more branches growing out on the south side. There are still many things we don’t know about trees. Scientists are working hard to find out more. 2 Find more information about trees in an online encyclopaedia②. Share your findings with the class. e d 流水 持续很长时间 在北半球 Unit 3 Section 4 & Checking your progress Checking your progress Project Making a booklet about trees In this project, you are going to work in groups and make a class booklet about different types of trees. Each group will make one page. Step 1 Think about the trees around you (e.g. ginkgo①, maple②, pine tree, willow③) and choose one kind of tree in your group. Unit 3 Section 4 & Checking your progress Step 2 Search for information about this type of tree. Then discuss in your group and decide what to include on your page. For example: • What does the leaf look like? (e.g. size, colour, shape) • Which kind of tree does it come from? • What fruit does the tree have? • Why is the tree important to us? ... Step 3 Organize the information you collected and design your page. You may add some pictures. If possible, find a leaf and put it on the page. Use the example below to help you. Unit 3 Section 4 & Checking your progress Step 4 Present your page to the class. Then put together the pages to make a class booklet. 一种活化石 属于 被用于 传统中医 看起来像 多达 变成金黄 Unit 3 Section 4 & Checking your progress 大树的好处在于提供阴凉处。（大树底下好乘凉） ——乔治·赫伯特 Unit 3 Section 4 & Checking your progress Homework 完成相关课后习题 Unit 3 Section 4 & Checking your progress Thanks Unit 3 Section 4 & Checking your progress EV录屏5.2.3软件录制 null 161941.05 EV录屏5.2.3软件录制 null 148983.05 $ Key question Why do we need trees？ Unit 3 Section 1 Unit objectives I can: □understand what trees do for us. □identify amazing facts about trees. □describe what we can do to help protect trees. □explain the relationship between trees and humans. relation between…and… …与…之间的关系 Unit 3 Section 1 First thoughts The roots of trees collect water and food or nutrients from the soil. Trees grow a ring of bark each year through which you can know the age of the tree. Trees can takes in harmful gases and produce oxygen. Trees can prevent the soil from being washing away. Plant more trees. Don’t use disposable chopsticks. Don’t play fire in the forest. Unit 3 Section 1 Unit 3 Section 1 Section 1 Experiencing and understanding language Reading Before you read 1 Label the different parts of a tree with the words below. Unit 3 Section 1 fruit branch trunk root flower leaf Unit 3 Section 1 2 Talk in pairs about what trees do for us. provide sb. with sth. provide sth. for sb. 提供 Unit 3 Section 1 On Tree Planting Day, Yangguang Junior High School posted the following article on its website. Read the article and discover some interesting facts about 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. share…with… …与…分享 事实上 对……重要 be good for 对……有好处 吸收 创造一个干净的环境 在这个星球上 Unit 3 Section 1 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. 来自 环顾四周 be made of 由……制成 例如 Unit 3 Section 1 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. 用友善的方法 砍伐 遍布全世界 需要做某事 拯救我们的星球 Unit 3 Section 1 tell…from… 辨别 Unit 3 Section 1 Reading comprehension 1 Complete the poster below with the information from the article on page 37. animals, insects and plants greenhouse gases like CO2 oxygen more convenient paper and pencils is made of wood delicious fruit and wonderful drinks Unit 3 Section 1 2 Read the article again and try to find examples of facts and opinions in it. From the deepest forests to our towns and cities, trees are all around us. Trees also provide us with delicious fruit and wonderful drinks. We need to do more to protect trees and save our planet. (答案不唯一，仅供参考) Unit 3 Section 1 3 Discuss the questions below. (1) What is the purpose of the article? What does the writer want to tell us? The purpose of the article is to tell us to do more to protect trees and save our planet. The writer wants to tell us that trees are very important for us and we need to save them. Unit 3 Section 1 (2) How do you understand the sentence “We can’t imagine a world without them (line 17)”? (3) What else do trees do for us? The sentence means that trees are very important for all living things on Earth and they do so much for us. so life without them is hard to imagine. Trees also provide shade for us in hot summer days. (答案不唯一，仅供参考) Unit 3 Section 1 Vocabulary practice 1 Look at the article on page 37 and find words with similar meanings. (1) not making any sound _________ (line 2) (2) a gas we need in order to live _________ (line 8) (3) easy; easy to do _________ (line 11) (4) a hard material used for making tables, chairs, pencils, etc. _________ (line 14) (5) to act in a certain way towards someone or something _________ (line 18) silent oxygen convenient wood treat Unit 3 Section 1 2 Complete the information column on the school website with the words from Exercise 1. Change the form if necessary. silent oxygen convenient wood treat Unit 3 Section 1 3 Make sentences about what trees do for us with the words and expressions below. Unit 3 Section 1 Listening Amazing trees 1 How much do you know about trees? Discuss the questions below. (1) How do trees communicate with one another? (2) Do trees have families and relatives like us? (3) What makes trees grow better and stronger? 2 Listen to the podcast The Natural World and tick (✓) the main topic of it. Using their long roots. Yes, they do. When their branches and leaves join together, they don’t need to worry about strong winds. √ Unit 3 Section 1 3 Listen again. Decide whether the following statements are true (T) or false (F). (1) Trees use their branches to communicate with each other. T / F (2) Trees can ask each other for help when bad things happen to them. T / F (3) Older trees and younger trees help each other. T / F (4) Healthy trees help sick trees. T / F (5) Most trees share things with trees from different species. T / F (6) It is harmful when the branches and leaves of trees join together. T / F Unit 3 Section 1 4 What other amazing facts do you know about trees? Share your facts with your classmates. Unit 3 Section 1 Homework 完成相关课后习题 Unit 3 Section 1 Thanks Unit 3 Section 1 EV录屏5.2.3软件录制 null 156507.05 EV录屏5.2.3软件录制 null 336612.78 $Section three, expressing and communicating ideas, speaking, talking about ways of saving trees. Page forty three trees . are important to us, talking groups about how we can save trees. Look at the example and use the list below to help you. We should find ways to use less paper. For example, we can reuse paper. We should write or print on both sides. Besides, we can borrow books from the library or share books with friends . and classmates. Improving your pronunciation. listen and repeat, pay attention to the letters . in the . black. black. trouble. trouble. bb brunch. brunch, breathe. breathe . for butterfly. butterfly, flower. flower. fresh. fresh . fruit. fruit. go, go. glass. glass. glue. glue. gr, girl. grade grade. grow. grow. clean. clean. clever. clever. across. across. crazy. crazy. One trees create cleaner air for us to breathe. Two butterflies are glad to see the flowers in bloom. Three, both mister black and mister Brown grow fruit trees in their gardens. For when eating the fruit, think of the person who grew IT. Cross curricular connection biological science, page forty eight, from the podcast the natural world, we have learned that trees also have families and relatives like us. Actually, they have senses. Two. one, read the article about how trees sense things. Match the headings below with the paragraphs tree senses. In the past, scientists didn't know that trees could send things. Now they are discovering that trees can notice lots of things around them. Trees can sense many different things with their roots. For example, they can feel where up and down are. There is no light down in the earth, but the roots always know which way to grow. Trees can feel different temperatures. They know when to drop their leaves in autumn and went to grow new leaves in spring. If an animal starts biting a tree of a certain species, the tree can find out what happens. For example, if a deer starts eating from a tree, the tree can make its leaves taste really bad. After a while, tree roots can sense different sounds. They really like the sound of running water when IT is dry. If the sound continues for a long time, the roots will slowly start growing towards IT. Trees consents different kinds of light and colours. They know where the Sunny, so their branches grow in that direction. That's why trees in the northern hemisphere usually have more branches growing out. On the south side. There are still many things we don't know about trees. Scientists are working hard to find out more. Unit three trees and us section one, experiencing and understanding language reading page thirty seven. On tree planting day, Young ang junior high school posted the following article on its website. Read the article and discover some interesting facts about . trees are signed 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 plans to live. Trees are also good for us humans because they take in Greenhouse gases like carbon dioxide and produce oxygen. This means they helps 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 provides 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.