Unit5 Power of ideas SectionA 1a-2d 课件2026-2027学年初中英语人教版九年级上册

该初中英语课件围绕“发明的力量”主题，核心知识点包括发明词汇（如high-speed train、3D printer）和一般现在时被动语态。课堂导入通过“Look and share”图片讨论（高铁与黄鹤楼）及Free Talk（创意与发明对生活的影响），从生活实例过渡到主题，搭建从已知到未知的学习支架。 其亮点在于融合语言能力、文化意识和思维品质培养。通过国际发明展听力材料（如德国Super See、中国Smart Cook），在真实语境中提升语言理解与表达，对比中外发明增强文化认同，分析3D打印机工作原理培养逻辑思维。采用任务型教学和分层作业，助力学生主动学习，教师可直接用于课堂提升教学效率。

Unit 5 Power of ldeas Section A 1a-2d What changes can inventions bring to our lives? Objectives of this unit At the end of the class，we can ： 1. Recognize and pronounce invention words, follow two dialogues and finish listening exercises; analyze complex sentences and know how a 3D printer works. 2. Grasp simple present passive voice and describe inventions properly. 3. Compare innovative inventions from China and abroad, experience how creative ideas change life, work in groups to share our favourite everyday inventions, and stimulate creative thinking Learning Objectives Look and share 1. What can you see in the photo? 2. How do you feel about the photo? 3. What creative ideas can you find from it? I can see a high-speed train and the Yellow Crane Tower. There are many green trees around them. I feel really proud of China. The ancient tower shows our traditional culture, and the high-speed train stands for modern technology. It’s wonderful to see old and new beauty together. The idea of fast high-speed trains is a great creative invention. Lead-in Free Talk： What do creative ideas bring about? Inventions often come from creative ideas. Creative ideas can change people’s lives. Lead-in Free Talk： How do inventions change people ’s lives? They make it convenient, fast, comfortable, time-saving, advanced... high-speed train camera TV mobile phone plane laptop Presentation Match the inventions with the years. 1. high-speed train 2. camera 3. TV 4. mobile phone 5. plane 6. laptop 1973 1903 1981 1964 1839 1927 Use the sentence： I think it was invented in . Do you know where we can see the latest inventions? Exhibitions of Inventions Let's follow Ella and Tengfei to the International Exhibition of Inventions. Before listening A Germany B China While listening While listening Section A, 1b and 1c Conversation 1 Guide 1: Welcome to the International Exhibition of Inventions! Over here, we have Super See from Germany. Ella: They look like sunglasses. What are they used for? Guide 1: They’re for people who can’t see well. They don’t find normal glasses helpful. Ella: How do they help people to see? Guide 1: Well, a mini-camera is connected to the front of the glasses. It makes everything look larger. Words can also be turned into sound. Ella: Cool! So they can help people watch TV and read books. Guide 1: Yes. They can also control the colour and picture. Ella: Amazing! Listening scripts Section A, 1b and 1c Conversation 2 Teng Fei: What smells so delicious? Guide 2: Come and have a try. Smart Cook from China is cooking some food. Teng Fei: Really? How does it work? Guide 2: It’s simple! Put food like carrots and onions in the cup on the top of the machine. Then press this button. All the food is cut and fried. The oil and salt are also added by the machine itself. Teng Fei: Fantastic! How many kinds of dishes can it make? Guide 2: Hundreds! It has an app with many recipes. Teng Fei: Great! With this robot, my mother can take a break from cooking. Guide 2: How nice of you to think so. I’m sure your mother will love it. Sample1 (Super See) A: What does Super See look like? B: It looks like a pair of ordinary sunglasses. There is a small mini-camera on the front. A: What is it used for? B: It’s used for people who can’t see well. It can make things bigger and turn words into sound to help them read and watch TV. Post listening He went to the International Exhibition of Inventions last weekend. His favourite invention was the 3D printer. Because almost everything under the sun can be made by it. designed created sent read produced be+动过分：被动语态 ☑ ☑ ☑ ☑ ☑ ☑ ☑ Because it is used so easily and widely. pencil For example： Section A, 2a, 2b, and 2c Ella: Hi, Han Lin! Did you go to the International Exhibition of Inventions last weekend? Han Lin: Yes, some amazing inventions were shown from all over the world. Ella: What invention did you like the most? Han Lin: Oh, the 3D printer was amazing. Ella: Why? Han Lin: Almost everything under the sun can be made by it. Ella: Really? Like what? Han Lin: Well, all kinds of everyday objects. Toys, chairs, tables, and even houses can all be made by the 3D printer. Listening scripts Ella: That’s cool! Han Lin: Yeah. And in medicine for example, arms and legs, even hearts can be created by the 3D printer. Ella: That’s great! How does it work? Han Lin: Well, first, the object is designed on a computer. Then, a file is created and sent to the 3D printer. The 3D printer reads the file, and after that, the object is produced by building up plastic. Ella: Is only plastic used? Han Lin: No, other materials can also be used to produce things. It can even make food. Ella: Oh, really? I’d love to try 3D-printed food! Creative ideas cross past and present, warm lives and light up our future. 创意跨越古今，温暖生活，点亮未来。 Summary 1. Inventions high-speed train, camera, mobile phone, plane, TV, laptop 2. 核心句型 —What’s it used for? —It’s used for helping people / cooking food. 3. 一般现在时被动语态 结构：am/is/are + 动词过去分词 The object is designed /created/produced. 分层课后作业 基础层：抄写本课发明词汇 + 2b 五个被动语态句子；抄写 4 句课堂长难句，划分主干并翻译。 提升层：仿照 2d 模板，写 3 组问答，介绍 3 种自己常用的发明物品，至少使用 1 个本课长难句式。 拓展层：搜集一项中国创新发明，用 5 句话（含被动语态、复合长句）简单介绍它的用途。 null 242379.92 null 96680.805 null 84062.43 $