Unit 2 Lesson 8 Why Are Plants Important？-【绿卡初中创新题】2024-2025学年八年级下册英语同步教案(冀教版)

Unit 2 Plant a Plant! 课时 第8课时 Why Are Plants Important? 课型 新授课 教学目标 【知识与技能】 1. 能掌握下列词汇： basic, pleasant, shade, fulfill, soil, 2. 能掌握以下句型： It’s pleasant to walk in the forest. 【情感、态度与价值观】 该部分学习内容贴近学生的生活，谈论的主题是植物的重要性，对学生养成良好的表达能力很有帮助，能引起学生的特别关注，极易于激发学生学习的欲望和兴趣，使他们乐于参与各种学习实践活动，通过学习植物的重要性，增强环保意识。要求学生会运用句式表达或谈论植物的重要性。正确的表述方法有助于学生提高学习效率，从而提高学生的学习成绩。 教学重点 掌握和运用谈论植物重要性的单词及句型 教学难点 运用英语谈论植物的重要性 教学准备 教师：音频、课件。 教 学 过 程 Step 1: Lead­in 建议：回顾上节课植树的过程，教师向学生提出以下问题，进而引出本课时主题（Why Are Plants Important?）: T: Can you tell me why we plant trees? S1: Trees help clean the air. S2: It’s pleasant to walk in the forest. S3: Trees and other plants cover the soil. The wind and water don’t carry the soil away. … Step 2: Presentation 建议：教师展示多媒体课件，上面是本课时需要学习的单词，然后让同学们跟同伴一起读，之后在课堂中进行展示，其他同学仔细听，如果有错误及时校正。这种方法使每位同学参与其中，能极大调动学生的积极性。 shade n. 树阴；阴凉处 It’s pleasant to sit in the shade. It’s pleasant to do…做……很愉快。 pleasant adj. 使人愉快的 ( The plants cover the soil . soil n. 土；土壤 ) ( Trees and other plants can help us fulfill our basic needs. fulfill v. 达到；执行 basic adj. 基本的；基础的 ) The trees and plants take energy from the sun and turn it into food. take energy from从……获取能量 In a word, we can’t live without plants! in a word总之；一句话 Step 3: Drill 建议1: 游戏比赛，通过一闪而过的图片，让学生说出英语单词，看谁说得又快又准。 建议2: 同桌间互相提问单词，一个说汉语，一个说英语, 然后教师抽查。 Step 4: Reading Ⅰ.建议: 读课文，选出课文中提到的内容。（Let’s do it!） People can eat plants or use them as medicine. Plants help make the air clean and fresh. Many animals live in the forest. Books, paper, pencils and erasers all come from plants. Animals eat the fruit from the trees. The plants cover the soil and can stop the dust. When the weather is sunny and hot, people can sit in the shade under a tree. The plants make everything look beautiful. People use wood from trees to build houses and furniture. Answers: 除去Books, paper, pencils and erasers all come from plants.和 People use wood from trees to build houses and furniture. 外，其他内容课文中均 有提到。 让同学们进行作答，然后与同伴进行答案的检查。 Step 5: Practice 建议：选词填空。（Let’s do it!） ( basic shade forest cover pleasant ) There are many trees and plants. It’s 　　　　 to walk in the forest. When the weather is sunny and hot, you can sit in the 　　　　 under a tree. Trees and other plants are one of our 　　　　 needs for life. Many things are made from trees and plants. Most animals live in the 　　　　 and eat the fruit from the trees. And plants 　　　　 the soil. That way, the wind and water don’t carry the soil away. Step 6: Discussion 建议：教师让同学们讨论植物的重要性，然后在班级内分享。 Example: For the environment: Plants help clean the air. Plants cover the soil. So the wind and water don’t carry the soil away. For human’s daily needs: The plants take energy from the sun and turn it into food. Medicine and clothing are made from plants. For animals: Many animals live in the forest and eat the fruit from the trees or other plants. ... Step 7: Language Points　　 1. It’s pleasant to do sth. 做某事很愉快 It’s +adj.+to do sth.，句中it是形式主语，真正的主语是后面的动词不定式 （短语）。 【例句】 It’s pleasant to play with friends.和朋友们一起玩耍是令人愉快的。 It’s important to learn Chinese well.学好汉语很重要。 2. pleasant使人愉快的 【例句】 It’s a pleasant evening.那是一个令人愉快的夜晚。 Our school trip was pleasant.我们的学校旅行是令人愉快的。 【拓展】 ①please 感叹词， “请”。 【例句】 Could you please clean up the living room? 请把起居室打扫一下好吗？ ②pleased 形容词， “高兴的，满意的”。 【例句】 He was pleased with the result.他对这个结果感到满意。 ③pleasure作不可数名词时,“愉悦,愉快”；作可数名词时,“乐事；快事”。 【例句】 With pleasure.乐意效劳。 It’s a pleasure to meet you.认识你很高兴。 3. be made from由……制成，表示从成品上看不出原材料。 【例句】 The wine is made from grapes.这酒是由葡萄制成的。 【拓展】 ①be made of由……制成,表示从成品上能看出原材料。 【例句】 The desk is made of wood.这张桌子是由木头制成的。 ②be made by被……制成，其后接制造者，表示成品是由谁制作的。 【例句】 The card is made by Lucy.这张卡片是由露西做的。 ③be made in在……制造，其后接地名，强调生产地点。 【例句】 This bag is made in China.这个包是中国制造的。 ④be made up of由……组成，强调组成部分。 【例句】 The team is made up of six workers.这支团队是由六个工人组成的。 4. carry…away把……搬走，把……移走 还可作carry away,是“动词+副词”结构的短语，当其宾语是名词时,名词可 放在carry和away之间,也可放在away后，当其宾语是人称代词时,要将 人称代词放在carry与 away之间。 【例句】 Can you carry away the book? =Can you carry the book away? 你能把这本书带走吗? Here are your clothes. Please carry them away. 这些是你的衣服。请把它们带走。 5. in a word总之，一句话 常放在句首表示归纳和总结。 【例句】 In a word, your speech cheered up many people and helped them work out a lot of problems. 总之，你的演讲让许多人振作起来了，并且帮助他们解决了很多问题。 In a word, I have a bad day in the theme park. 总之，我在主题公园玩得很不开心。 Step 8: Work in Pairs 建议：两人一组，讨论一下我们为什么需要植物，然后填写思维导图。 ( Food or medicine: 1. People can eat plants or use them as medicine. 2. Animals eat the fruit from the trees. ) ( Clothing and school things: 1. People can make clothing from plants. 2. Books, paper, pencils and erasers all come from plants. )Example: ( Functions of trees (plants) ) ( Environment: 1. Plants help make the air clean and fresh. 2. The plants cover the soil and can stop the dust. ) ( Shelter: 1. Many animals live in the forest. 2. People use wood from trees to build houses and furniture. ) Step 9: Summary 建议：让学生自己总结本节课主要学习了什么，还有哪些疑惑？教师可作 补充。 For example: 本节课我们主要学习了如何阐述植物的重要性，It’s +adj.+to do sth.也是我们这一节课的重点, 也是整个单元的难点，我们会在以后的学习中继续学习和巩固。 课堂作业 1．口头作业: 朗读课文。 2．书面作业: 结合本课时所学写一篇植物重要性的短文。 板书设计 Unit 2 Plant a Plant! Lesson 8 Why Are Plants Important? 1. New words and phrases: pleasant, shade, fulfill, basic, soil take energy from…, in a word 2. Important sentences: (1) It’s pleasant to walk in the forest. (2) Medicine and clothing are also made from trees and plants. (3) That way, the wind and water don’t carry the soil away. (4) In a word, we can’t live without plants！ 教学反思 这是单元的第二个课时。因此，让学生知道他们在本单元学习的重点很重要。首先通过问题导入新课。利用图片和句子，教授新单词和短语，为本课的学习扫清障碍。播放本课的录音文件，让学生了解对话的大体内容；阅读对话，回答问题，然后根据对话内容，完成练习，并复述短文。再进行语言点的讲解，帮助学生解决学习中的疑惑和重难点。最后，通过让学生总结本课学习内容，检查本课节的掌握情况。本课节从多方面对本课的语言知识进行练习，从而达到教学目的，实现教学目标。 学科网（北京）股份有限公司 $$