Unit 8 A green world (Welcome to the unit)学习任务单-2025-2026学年译林版八年级英语下册

该初中英语学习任务单聚焦“Unit 8 A green world (Welcome to the unit)”，核心围绕四种污染类型的识别、成因影响及环保建议表达。以课前预习与资料搜集为基础，课上通过图片视频导入主题，结合听力材料梳理污染成因与建议，最终通过对话活动实现语言运用，构建从输入到输出的学习支架。 任务单亮点在于融合语言能力与思维品质培养，借助图片、视频及听力材料提升信息理解与提取能力，通过对话活动强化表达应用。推荐BBC Teach短片、TED-Ed动画及互动游戏，激发学习兴趣，引导学生主动探究，在真实情境中运用语言，增强环保意识与社会责任感。

学习任务单 课程基本信息 学科 英语 年级 八年级 学期 春季 课题 Unit 8 A green world (Welcome to the unit) 学习目标 通过本课时的学习，我能够： 1. 借助图片和听力材料识别四种主要污染类型，初步了解其成因和影响； 2. 获取并梳理Millie和Daniel对话中关于减少空气污染和水污染的建议，提取并归纳表达环保建议的词汇和句型； 运用所学词汇和句型开展同伴对话活动，讨论如何减少不同类型的污染。 课前学习任务 1.预习课本第106-107页。 2.搜集有关污染的图片和英文表达并思考其成因、危害和相应解决措施。 课上学习任务 【学习任务一】Know about the topic and learning objectives of this unit 1. Look at the picture on Page 106 and answer the following questions: (1) What can you see in the picture? (2) What is it similar to? 2. Learn about the learning objectives of this unit. 3. Watch a video about the pollution on the Earth. 【学习任务二】Learn about four types of pollution 1. Look at the pictures and get to know four types of pollution. 2. Discuss and list the bad influence each type of the pollution will bring about. 【学习任务三】Learn about the causes of pollution and the ways to reduce pollution 1. Listen to the introduction and complete the table below. 2. Listen to Millie and Daniel’s conversation about how to reduce pollution and complete the chart below. 【学习任务四】Talk about pollution 1. Discuss and find more ways to reduce pollution. 2. Make up a new dialogue to talk about reducing pollution. A: What can we do to reduce ...? B: It’s a good idea to ... A: I agree. I think we can also... B: Yes. And what can we do to reduce...? A: We can... B: Excellent! 3. Talk about the biggest problem in their hometown and explain. 推荐的学习资源 1. 视听资源（适合课堂导入或课后拓展） （1）BBC Teach “The Regenerators” 短片系列 主题：针对青少年的环保科普短片，如“What is air pollution?”“The problem with plastic.” （2）TED-Ed 精选动画 主题：“What really happens to the plastic you throw away?”（塑料污染旅程） 2. 交互式学习平台 National Geographic Kids – “Save the Earth” 互动游戏与测验 主题：垃圾分类、碳足迹计算等小游戏 学科网（北京）股份有限公司 $