Unit 5 Section A 2a-2d 课件 2026-2027学年人教版英语九年级上册

Unit 5 Power of Ideas Section A 2a-2d What changes can inventions bring to our lives? A:What does the Super Sees look like? B:It looks like a pair of sunglasses. A:Where does it come from? B:It comes from Germany. A: Who is it used for? B:It is used for people who can’t see well. A:How does it work? B:A mini-camera is connected to the front of the glasses. It makes everything look larger. Words can also be turned into sound. What can the two inventions be used for? Describe them to a partner. 1d Review What 发明名称 Where 产地 Who 适用人群 How 工作方式 Super See make everything look larger A:What does the Smart cook look like? B:It looks like a machine. A:Where does it come from? B:It comes from China. A: Who is it used for? B:It is used for cooking. A:How does it work? B:Put food 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. What can the two inventions be used for? Describe them to a partner. 1d Pair Work: What 发明名称 Where 产地 Who 适用人群 How 工作方式 Smart Cook Learning Objectives 1 2 3 通过听读对话，获取3D打印的工作流程以及收音机的发明者、发明时间和历史影响等关键信息，理解被动语态在描述发明创造时的形式和意义。（学习理解） 运用被动语态口头描述发明物品的外观、材料、用途和制作过程，在角色扮演中正确使用重音突出关键信息，借助图表和思维导图整理并介绍一项重要发明。（应用实践） 选择一项自己认为最重要的发明，从多方面进行介绍并阐述理由，表达个人观点，感受发明对生活的影响和发明家的创新精神。（迁移创新） The next week, Ella was curious about Han Lin’s trip to the International Invention Exhibition last weekend. Listen to the conversation and choose right answe. 2b 1.Where did Han Lin go last weekend? A. To a science museum. B. To the International Exhibition of Inventions. C. To a 3D printing shop. 2. Why was the 3D printer Han Lin’s favourite invention? A. Because almost everything under the sun can be made by it. B. Because it can make all kinds of paintings. C. Because it was cheap and easy to use. 导学案 天底下，世间 What invention are Ella and Han Lin talking about？ Almost everything under the sun can be made by the 3D printer. Tick the things that you think a 3D printer can make. You can add more. 2a □ medicine □ arms and legs □ hearts □ toys □ chairs □ tables □ shoes □ computers □ houses □ food □ chairs □ food □ _________________________ I think hearts can be made by a 3D printer. In my opinion, shoes can also be produced by it. I don’t think medicine can be made by a 3D printer. 课本P43 clothes, cups, cars .... How does the 3D printer work? Complete the sentences with the correct forms of the words in the box. Then listen again and check your answers. 2c read design produce create send 1 First, the object is ___________ on the the computer. 2 Then, a file is ___________ by the computer. 3 And the file is ___________ to the 3D printer. 4 Next,the file is ___________ by the 3D printer. 5 Finally, the object is ___________ by building up plastic. v. /prəˈdjuːs/ v.生产，繁育 课本P43 /ˈfaɪl/n.文件，文件夹 /ˈprɪntə(r)/n.打印机 堆积，堆叠 /ˈplæstɪk/n.&adj.塑料(的) designed created sent read produced 被动语态: be done 1. 对应关系：英语被动语态对应中文的“被字句”，主动语态对应“把字句”。 2. 基本结构： be + 动词过去分词 ，表示“被……”。 3. 补充说明：若要引出动作的执行者，需在句末用介词 by + 人物 ，且 by 后接宾格形式。 被动语态 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. Ella: That’s cool! Listen again and repeat , then find the Passive Voice. . 被动语态: be done 全世界 各种各样的 日常物品 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 material can also be used to produce things. It can even make food. Ella: Oh, really? I’d love to try 3D-printed food! Listen again and repeat , then find the Passive Voice. 被动语态: be done 堆积，堆叠 What invention do you like the most? There are so many great inventions in our daily lives List the things you use every day and choose one that is the most. Then talk about what it can be used for and its importnace. 2b 2d A: What invention do you like the most? B: I like.... the most. A: What can it be used for? B: It can be used for /to ...... A: Amazing!/Fantastic! Is it important in your daily life? B: Yes, it is. ..... Things I use every day I.laptop 2.pencil 3.desk 4.______ Practice Example: A: What invention do you like the most? B: I like _____________ the most. A: What can it be used for? B: It can be used for_______________________________ _______________________________________________ A: Amazing! Is it important in your daily life? B: Yes, it is. It ________________________________________. smartphone communicating with friends, taking photos, surfing the Internet and so on. makes our life more convenient 方便的 Example: A: What invention do you like the most? B: I like _____________ the most. A: What can it be used for? B: It can be used to_______________________________ _______________________________________________ A: Amazing! Is it important in your daily life? B: Yes, it is. It ________________________________________. the desk do my homework and put my books and laptop on. is very helpful for my study. Great inventions can bring great changes to our lives. Almost everything under the sun can be made by the 3D printer. The 3D printer is really amazing. Deep Thinking Must-do 完成导学案上的练习。 Optional Choose your faavourite everyday invention and record a 1‑minute English video promoting it. Describe what it looks like, what it is used for, and how it changes your life. Share it in the class WeChat group Homework Exercise 6. 全世界_______________ 7.各种各样的日常物品________________ 8.堆积，堆叠______________ 9.天底下，世间________________ all over the world all kinds of everyday objects build up under the sun 请用以上重点单词、短语和句型完成下列句子。 1.The 　　　　　　(invent) of the camera has changed our life a lot.  2.This kind of　　　　　　 (打印机) is used in many schools around the world.  3.Many new products are 　　　　　　(produce) in this factory every year.  4.The p　　　　　　 bag is not used in some places now to protect the environment.  invention printer produced lastic Thank You null 96680.805 $