Unit 7 Integration (D) 课件 2025-2026学年译林版英语八年级上册

该初中英语课件聚焦生态系统保护提案写作，核心知识点为“引言—主体—结论”的提案结构。课堂通过Free talk讨论海洋作用与问题激活认知，以Amy的海洋保护提案为支架，引导学生从分析重要性、问题、措施到仿写，构建“输入—内化—输出”的学习脉络。 其亮点在于融合语言能力与环保意识，通过“问题分析—解决方案—行动呼吁”逻辑链训练思维品质，如Let's write环节要求用offer短语、介词短语作定语、祈使句完成湖泊保护段落，评估表结合自评互评提升学习能力。学生在真实语境中提升写作与批判性思维，教师可直接使用结构化活动与范例提高教学效率。

初中英语译林版八上 Unit 7 Integration (D) The natural world 能理解保护生态系统提案的结构,明确“引言—主体—结论”各部分的作用。 01 03 能体会生态系统对人类和自然的重要性,增强环保意识,乐于用英语表达和倡导环保行动。 Learning objectives 能选择一个生态系统,仿照Amy 的提案范例,写出结构完整、具有说服力的保护提案。 02 重点 重点 How does the ocean make you feel? What roles does the ocean play in our world? It makes me feel peaceful and amazed. It’s home to sea life, provides food and offers fun spaces. Free talk But now, the ocean is facing serious problems. What problems can you spot? How do these problems make you feel? I can spot millions of tons of plastic waste and wastewater from factories and houses. These problems make me feel worried and sad. To protect the ocean, we need to call on people to take action. Free talk Imagine you are a member of an eco-club. You are going to write a proposal asking people to protect an ecosystem and help solve the problems it faces. D D1 Look at Amy's outline for her proposal to ask people to help protect the ocean. Please help protect the ocean The importance of the ocean Home to many kinds of sea life Provides us with food Offers us space for fun Think and answer Please help protect the ocean The problems it faces What we can do A call to action Millions of tons of plastic waste Wastewater from factories and houses Clean up the beach Use environment-friendly products Tell people how to protect the ocean Volunteer to help Think and answer What do you think Amy will write about in this proposal? The title of Amy’s proposal: Please help protecting the ocean The introduction paragraph: Dear Sir or Madam, I am writing today to ask for your help in protecting the ocean. I think Amy will write about why the ocean is important, the problems the ocean is facing (such as pollution from plastic waste and wastewater), what people can do to help protect the ocean, and encourage readers to take action (like volunteering). Think and predict D2 Read Amy's proposal on protecting the ocean. Dear Sir or Madam, I am writing today to ask for your help in protecting the ocean. The ocean is home to many kinds of sea life. It provides us with food and offers us space to have fun. However, the ocean is facing many problems. Pollution is one of the biggest problems. There are millions of tons of plastic waste in the ocean. Also, wastewater from factories and houses Introduction: Say why you are writing the proposal. Read and answer Main body: Say why the ecosystem is important. State the problems it faces and how people can help. travels to the ocean and causes pollution. This will harm or even kill sea life. We can help solve the problems. We should keep beaches clean and use more environment-friendly products. It is also a good idea to tell people how to protect the ocean. We can also encourage them to help. Read and answer D2 Read Amy's proposal on protecting the ocean. D2 Read Amy's proposal on protecting the ocean. It is meaningful to join an environmental group and work as a volunteer. Please join us. Together we can help protect the ocean. With kind thanks, Zhao Min Conclusion: Encourage people to take action. We often end a proposal with a strong and moving sentence to encourage the reader to take action. TIP Read and answer What is Amy's purpose in writing this proposal? 1 To ask for help in protecting the ocean. Read and answer What problems does the ocean face? 2 There are millions of tons of plastic waste in the ocean, and wastewater from factories and houses travels to the ocean and causes pollution. Read and answer What actions does Amy suggest people taking to protect the ocean? 3 She suggests keeping beaches clean, using more environment-friendly products, telling others how to protect the ocean, encouraging people to help, and joining an environmental group to volunteer. Read and answer The ocean is home to many kinds of sea life. It provides us with food and offers us space to have fun. offer sb. sth. =offer sth. to sb. 给某人提供某物 Also, wastewater from factories and houses travels to the oceanand causes pollution. 介词短语作后置定语,修饰wastewater Language points State the problems it faces and how people can help. 祈使句 动词原形开头 宾语 定语从句,修饰problems 宾语从句 Language points Write a 3–4 sentence paragraph about protecting a lake. Include: offer sb. sth. a prepositional phrase as a postpositive attributive an imperative sentence. The lake offers us fresh water for drinking. But the lake with plastic bottles floating in it is in danger. Clean up the lake and ask others to join you! Example: Let’s write Learn writing skills —— connecting the previous and the next Definition Transition words or paragraphs connect the content of the previous section and the next section in a text, helping the article form a coherent and organic whole. Read and learn Learn writing skills —— connecting the previous and the next Example from the Proposal However, the ocean is facing many problems. It shifts the writing smoothly from describing the ocean’s positive aspects (eg: being home to sea life, providing food) to presenting its negative current situation (pollution issues). Read and learn D3 Choose an ecosystem and write a proposal asking people to protect it. Make an outline like the one in Part D1. Use Amy's proposal as a model. Dear Sir or Madam, ... I am writing (to you) today ... I want to ask you to ... ... is / are home to ... One of the main problems is ... Another problem is ... It is meaningful to ... Together we can ... Useful expressions Let’s write Please Help Protect the Forest Dear Sir or Madam, I am writing to you today to ask for your help in protecting the forest. The forest is home to countless plants and animals. It not only provides us with wood and other natural resources but also helps keep the air clean and fresh. However, the forest is facing serious problems now. One of the main problems is deforestation. People cut down too many trees to build houses or create farmland. Another problem is pollution — waste from some factories and litter left by visitors harm the forest’s Let’s share Please Help Protect the Forest environment. This puts many living things in danger. We can help solve these problems. First, it is meaningful to plant more trees every year. Second, we should stop littering in the forest and pick up trash when we see it. Also, we can tell our family and friends about the importance of forest protection. Together we can make a difference. Please join us in protecting the forest. Let’s work as volunteers to take care of this precious ecosystem. With kind thanks, [Your Name] Let’s share What I can do Me Partner 1 I can retell some facts about different ecosystems. 2 I can use verbs and sentence structures, and, but, or and so, and the suffix -ly correctly. 3 I can talk and write about protecting the ecosystems with the new words in this unit. 4 I have some ideas about why it is important to protect ecosystems and the environment. Assessment Assess your learning of new words and grammar by doing the exercises on page 140. I am good at_. I need to spend more time on_. My action plan: _. Result: Weak Good Wonderful Assessment The Chinese Wetlands is a wonderful documentary about various kinds of wetlands in China, the Chinese people's efforts to protect them and the achievements we have made. Watch it to learn more about the importance of wetlands and share your findings with your classmates. Further study Structure Mastery Learned the structure of a protection proposal: introduction, main body (importance, problems, solutions), and conclusion. Useful Expressions Grasped key phrases like “... is home to...”, “One of the main problems is...”, and “It is meaningful to...”. Writing Skill Able to write a proposal to protect an ecosystem (e.g. ocean, forest) by following Amy’s model. Awareness Raising Enhanced awareness of ecosystem protection and willingness to take action. Summary Base: Review the structure of Amy’s ocean protection proposal and key phrases. 1 Practice: Polish your writing with the help of your deskmate’s feedback. 2 Expand: Create a poster to call on classmates to protect a local ecosystem. 3 Homework Bye Bye null 92526.93 $