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外研版英语2024七年级(上册)Unit 6 - The Power of Plants 教案讲义 1. 教学目标 1.1 知识目标 掌握与植物及其重要性相关的核心词汇:plant, grow, nature, environment, oxygen, protect。 理解植物对环境和人类的重要作用,学会用英语描述这些作用。 1.2 能力目标 能够用英语描述植物的特点及其对自然的影响。 学会谈论如何保护植物和自然环境。 1.3 情感目标 增强学生保护环境的意识,培养热爱自然、尊重生命的价值观。 2. 教学重点与难点 2.1 教学重点 学习描述植物及其功能的词汇和短语。 掌握如何用英语表达植物对环境的贡献。 2.2 教学难点 理解并正确使用描述植物功能和环境保护的句型。 将植物的重要性与实际生活场景结合,进行有意义的表达。 3. 教学内容详解 3.1 核心词汇与短语 3.1.1 核心词汇 plant (n./v.) 植物;种植 例句:Plants are very important to our environment. grow (v.) 生长 例句:Trees grow tall and strong in the forest. oxygen (n.) 氧气 例句:Plants give us oxygen to breathe. nature (n.) 自然 例句:We should take care of nature. environment (n.) 环境 例句:A clean environment is good for everyone. 3.1.2 扩展词汇 root (n.) 根 例句:The roots of the tree go deep into the soil. leaf (n.) 叶子 例句:The leaves of this plant are green. flower (n.) 花 例句:This plant has beautiful yellow flowers. soil (n.) 土壤 例句:Good soil helps plants grow better. protect (v.) 保护 例句:We should protect the plants and trees. 3.2 短语表达 be good for... 对……有益 例句:Plants are good for the air and the soil. clean the air 净化空气 例句:Trees help clean the air. provide oxygen 提供氧气 例句:Plants provide oxygen for us to breathe. take care of 照顾 例句:We should take care of the plants around us. reduce pollution 减少污染 例句:Planting more trees can help reduce pollution. 3.3 核心句型与语法 3.3.1 描述植物作用的句型 Plants help... 例句:Plants help clean the air and provide oxygen. Trees give us... 例句:Trees give us shade and fresh air. Why are plants important? 回答:Because they protect the environment and give us oxygen. 3.3.2 提建议的句型 We should... 例句:We should plant more trees to protect the earth. Let’s... 例句:Let’s take care of the flowers and trees in the park. 4. 课文解析与情境对话 课文摘要 课文通过学生之间的讨论,展示了植物对人类和地球的重要作用: 讨论植物的功能: A: Why are trees important? B: Because they provide oxygen and clean the air. 谈论环境保护: A: What can we do to protect the environment? B: We can plant more trees and take care of nature. 描述植物的特点: A: What do the leaves of this plant look like? B: They are green and big. 5. 课堂练习设计 5.1 词汇与短语练习 填空题 选词填空:grow, oxygen, protect, flower, soil Plants give us _ to breathe. We should _ the plants in our community. Good _ helps plants grow better. This tree has beautiful yellow _. Trees _ tall and strong in the forest. 5.2 句型与语法练习 翻译句子 植物可以净化空气并提供氧气。 我们应该种植更多的树来保护环境。 为什么植物对我们很重要? 这棵树的根很深。 补全对话 A: What do plants do for us? B: They provide _ and clean the _. A: That’s why we should _ more trees. 6. 拓展阅读与写作 6.1 阅读短文 The Importance of Plants Plants are very important to our life. They clean the air, provide oxygen, and make the earth beautiful. Without plants, we cannot live. Trees also give us shade in summer and protect the soil from being washed away. We must take care of plants and plant more trees to make the earth a better place. 问题: Why are plants important? What do trees give us? What should we do to protect the environment? 6.2 写作任务 题目:How to Protect Plants 要求:写一篇关于如何保护植物的短文,内容包括: 植物的重要性; 我们应该做的事情; 保护植物的意义。 范例: Plants are very important to us. They clean the air, give us oxygen, and protect the environment. To protect plants, we should not pick flowers or cut down trees. Instead, we should plant more trees and take care of them. Protecting plants means protecting our future. 7. 总结与学习建议 分类记忆植物相关词汇:如植物的部分(roots, leaves)和作用(provide oxygen, clean the air)。 结合实际场景练习:观察周围的植物,并用英语描述其外貌和功能。 提升环保意识:尝试用英语表达保护环境的重要性,并将所学知识付诸实践。 学科网(北京)股份有限公司 $$