内容正文:
Unit4 Inventions
⭐Section 3导学案
学习目标
1. 掌握发明描述主题词汇;掌握朗读语调规则:一般疑问句升调(Rising tone);掌握发明作文思维导图五要素框架,学会条理清晰介绍发明
2. 完成趣味发明问答对话、升调朗读练习、范文研读,掌握介绍发明的四大提问维度,梳理发明写作五板块结构,能完整描述发明外观、功能、优势
3. 小组完成趣味发明访谈对话,自主绘制思维导图并完成原创发明英文短文
4. 激发创新思维,学会有条理介绍发明创造,体会发明改变生活,树立创新意识
一、预习案(课前自主完成)
(一)词汇预习・基础过关
模块 A:口语对话核心词汇
· pedal-powered adj. 踏板驱动的
· washing machine 洗衣机
· invent v. 发明;inventor n. 发明者
· work v. 运转,工作
· move ... around 搅动、转动
模块 B:写作主题词汇 & 短语
· flying car 飞行汽车
· main features 主要特点
· solar power 太阳能
· voice-controlled 语音控制的
· traffic jam 交通堵塞
· avoid v. 避免
· convenient adj. 方便的
· green adj. 环保的
· top speed 最高时速
· pollute v. 污染
模块 C:发音知识点:Intonation (1) Rising tone 升调
· 规则:一般疑问句(Yes / No questions)句末语调上扬
· 例句:
Do you understand↗?
Can you repeat it↗?
Is it a pen↗?
模块 D:写作思维导图五要素(文章结构)
1. What it is:发明名称、整体定位
2. What it looks like:外观外形
3. Main features:核心特点、配置
4. What it can do:功能、使用方式
5. Benefits of my invention:优势、带来的好处
模块 E:核心句型抄写 + 中英对照
1. It is a pedal-powered washing machine invented by a 14-year-old Indian girl.
译:这是一台踏板驱动洗衣机,由一名 14 岁印度女孩发明。
2. When you ride the bicycle, it moves the clothes around to wash them.
译:当你踩踏自行车结构时,它会搅动衣物完成清洗。
3. My invention is a flying car with four wheels and two wings, it can run on land and fly in the air.
译:我的发明是一辆飞行汽车,配有四轮双机翼,既能陆地行驶也能空中飞行。
4. It uses solar power instead of petrol, so it will not pollute the air and help us avoid traffic jams.
译:它使用太阳能而非汽油,不会污染空气,还能帮我们避开交通拥堵。
(二)预习思考题(通读 P59-P61)
1. 朗读时,一般疑问句(Yes/No questions)句末语调有什么要求?
2. 介绍一件发明需要从哪四个方面提问?写作思维导图分为哪五大板块?
3. 写作完整三步流程是什么?写完后需要从哪四点自查修改?
二、课堂探究案(课中小组合作完成)
(一)语篇问题链・研读口语对话 & 飞行汽车范文
基础浅层任务 1:口语对话四大提问维度
1. What is the invention and who invented it? 发明是什么、发明者是谁
2. Why did he /she invent it? 发明初衷
3. What does it look like? 外观样貌
4. How does it work? 工作原理、使用方式
基础浅层任务 2:范文《A flying car》信息梳理
1. What it is:A flying car, fast, convenient and green
2. What it looks like:four wheels and two wings
3. Main features:300 km/h top speed, voice-controlled, solar power
4. What it can do:drive on land, fly in the air, turn into plane in 30 seconds
5. Benefits:avoid traffic jams, no air pollution, free travel, better travel experience
进阶理解问题链(口语 & 写作主线梳理)
1. Speaking 主线:趣味发明双人问答
· 对话逻辑:发明名称→发明者→外观→工作原理
· 发音重点:所有一般疑问句句末升调朗读,练习猜发明小游戏对话
· 游戏任务:一人描述发明,另一人用 Yes/No 问句猜测物品
2. Writing 主线:新发明说明文写作
· 写作逻辑:思维导图五要素搭建全文框架,条理清晰
· 写作三步法:Plan(绘制思维导图)→ Write(成文)→ Check and revise(自查修改)
· 自查四项标准:写明外观与特点、描述功能用法、使用本单元词汇、拼写语法标点无误
3. 核心思考:How can good inventions solve daily life problems? What new invention do you want to create?
深度思辨讨论题
What useful invention would you design to make our daily life easier?
(二)合作探究・小组课堂活动(4 人一组)
活动 1:发音朗读训练
分组朗读一般疑问句对话,练习句末升调,互相纠正语调
活动 2:双人发明访谈对话
仿照课本模板,挑选一件趣味发明完成问答对话;开展猜发明小游戏(一人描述,一人用升调 Yes/No 问句猜测)
活动 3:写作构思头脑风暴
小组合作构思原创发明,绘制简易思维导图,梳理外观、功能、优势
(三)分层输出任务
迁移 1:基础口头输出(达标)
基础 4 句
This pedal-powered washing machine was invented by an Indian girl.
You can ride it to wash your clothes easily.
My ideal invention is a flying car with wings.
It uses solar energy and won’t pollute the environment.
迁移 2:双人综合访谈对话(提升)
A: What’s this interesting invention?
B: It’s a pedal-powered washing machine.
A: Who invented it?
B: A 14-year-old girl from India invented it.
A: How does it work?
B: When you pedal the bike part, it stirs the clothes to clean them.
迁移 3:书面综合发明短文写作
标题:My great new invention
写作框架
1. 第一段:Introduce what your invention is
2. 第二段:Describe its appearance and main features
3. 第三段:Explain how it works and its advantages
4. 对照 4 项自查清单完成修改润色
三、课后拓展案(分层巩固作业)
基础层(全体必做)
1. 朗读课本对话,熟练掌握一般疑问句升调朗读规则,背诵发明描述句型;
2. 梳理飞行汽车范文五大板块信息;
3. 仿写 5 句描述发明外观、功能的句子。
提升层(中等学生选做)
1. 双人完成趣味发明访谈对话;
2. 绘制原创发明思维导图;
3. 完成基础版发明短文写作。
培优拓展层(学有余力)
1. 1 分钟口语展示:介绍自己设计的原创发明;
2. 拓展写作:My helpful invention(完整 80 词以上短文);
3. 手绘发明草图,搭配英文介绍。
课堂小结(板书核心)
1. Pronunciation: Rising tone — rise your voice at the end of Yes/No questions
2. Speaking 4 key questions for inventions
What is it & inventor? / Why invent it? / What’s its look? / How does it work?
3. Writing mind map 5 parts
What it is → Looks → Features → Functions → Benefits
4. Writing steps: Plan (mind map) → Write → Check & revise
5. Core theme: Think creatively, describe inventions clearly in speech and writing
当堂五分钟检测
一、英汉互译
1. pedal-powered washing machine ________________
2. voice-controlled ________________
3. traffic jam ________________
4. solar power ________________
二、选词填空
invent, pedal, convenient, pollute, feature
1. This machine was ______ by a young student.
2. You need to ______ the bike to run the washing machine.
3. Solar cars are green and very ______ for travelling.
4. Its main ______ is flying function.
5. Solar energy won’t ______ the air.
三、单项选择
1. We use ______ at the end of Yes/No questions.
A. falling tone B. rising tone C. flat tone
2. The first step to write an invention article is to ______.
A. draw a mind map B. write the full text C. check grammar
3. We do NOT need to write ______ in the invention article.
A. its appearance B. its advantages C. the inventor’s family history
四、句子翻译
1. 踏板洗衣机由印度一名 14 岁女孩发明,踩踏自行车结构就能搅动衣物完成清洗,节能环保。
2. 飞行汽车配有四轮双机翼,最高时速 300 公里,语音操控,30 秒可切换飞行模式,太阳能驱动无尾气污染,能避开道路拥堵。
3. 朗读规则:一般疑问句末尾语调上扬;写作步骤:先绘制思维导图梳理发明名称、外观、特点、功能、优势,再成文,最后对照四项标准自查修改。
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