Unit 5 Power of Ideas Section A 2a-2d 课件 2026-2027学年人教版九年级英语上册

What do creative ideas bring about? Section A 2a-2d Unit 5 Power of Ideas Learning objectives 语言能力 1 学习能力 2 文化意识 3 思维品质 4 to learn and talk about 3D printer and describe how it is used; to talk about more inventions to get specific information about 3D printer through listening, including how it works; to use passive voice; to work in pairs to appreciate how 3D printing influences our daily life. to experience how creative ideas change our life; to express our thoughts 6 Language points 7 Exercise 8 Homework 1 Warm up 2 Free talk 3 Pre-listening 4 While-listening 5 Post-listening Contents Warm up Warm up Look and say When was the ... invented? It was invented in ... Warm up Look and say When was the ... invented? It was invented in ... Warm up Look and say When was the ... invented? It was invented in ... Warm up Look and say When was the ... invented? It was invented in ... Warm up Look and say When was the ... invented? It was invented in ... Do you know 3D printer? Free talk Do you think 3D printer is important? What can it do? Free talk Pre-listening What changes can inventions bring to our lives? Pre-listening Han Lin is talking about 3D printer with Ella. Pre-listening  medicine  arms and legs  hearts  toys  tables  shoes  computers  houses  chairs  food  __________________ 2a. Tick the things that you think a 3D printer can make. You can add more. bikes,cups, phone cases ... I think it can make many daily things like ... Which item on the list surprises you the most? While-listening 3D printer While-listening 2b.Listen to the conversation and answer the questions. 1. Where did Han Lin go last weekend? 2. Why was the 3D printer Han Lin’s favourite invention? Han Lin went to the International Exhibition of Inventions. Because almost everything under the sun can be made by it. International Exhibition of Inventions While-listening 2b.Listen to the conversation and answer the questions. 1. Where did Han Lin go last weekend? 2. Why was the 3D printer Han Lin’s favourite invention? Han Lin went to the International Exhibition of Inventions. Because almost everything under the sun can be made by it. What does “almost everything under the sun” mean? Let’s watch Because almost everything under the sun can be made by it. While-listening 2c.Complete the sentences with the correct forms of the words in the box. Then listen again and check your answers. designed created sent read produced read design produce create send be done (by) 被动语态 (passive voice) While-listening Finish and say- How does a 3D printer work? First, the object is designed on the computer. Then, a file is created by ... And the file is ... to the ... Next, the file is ... by the ... Finally, the ... is ... by ... While-listening Listen and find out the details. Ella： Hi, Han Lin! Did you go to the International __________________ last weekend? Han Lin:Yes, some amazing inventions were shown from _______________. 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 ______________ by it. Ella： Really? Like what? all over the world can be made Exhibition of Inventions While-listening Listen and find out the details. Han Lin: Well, all kinds of everyday objects. Toys, chairs, tables, and even houses can all __________ the 3D printer. Ella： That’s cool! Han Lin: Yeah. And in medicine for example, arms and legs, and even hearts can _______________ the 3D printer. Ella： That’s great! How does it work? Han Lin: Well, first, the object __________ 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 ______________ building up plastic. be made by be created by is designed is produced by 积累的 读取文件 While-listening Listen and find out the details. Ella: Is only plastic __________? Han Lin: No, other materials can also be used to _____________. It can even make food. Ella: Oh, really? I’d love to try ___________ food! used produce things 3D-printed While-listening Finish and say- How 3D printing influences our daily life Daily things Medicine □ toys  □ chairs  □ tables  □ shoes   □ houses □ food □ clothes □school supplies ... □ medicine  □ arms and legs  □ hearts □ ... Let’s watch How does 3D printing help in medicine? Post-listening 3D printer Let’s watch 3D printing in China If I had a 3D Printer, I would print ... Post-listening If I had a 3D Printer, I would print ... Post-listening If I had a 3D printer, I would print ... Because I can ... I would print f... if 1 had a 3D printer. Since it is ... and ... If I had a 3D printer, I would print ... to help ... Post-listening 2d. List the things you use every day and choose the one that you like the most. Then talk about what it can be used for and its importance. 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 ... 3D printing makes our life different. It helps and changes our lives. Good learners wanted Listen carefully Speak clearly Read aloud Work actively Show respect Note something important Members Listen carefully Speak clearly Read aloud Work actively Show respect Note In total Group leader Member 1 Member2 Member3 Evaluate yourself Language Points Why was the 3D printer Han Lin’s favourite invention? printer /ˈprɪntə(r)/ n. 打印机；印刷公司 由“print(v. 打印) + -er”构成。 This kind of printer is widely used in schools and offices. 这种打印机被广泛用于学校和办公室。 We sent the files to the printer yesterday, and the books should be ready next week. 我们昨天把文件发给印刷厂了，书下周应该能印好。 Language Points Finally, the object is produced by building up plastic. We pride ourselves on producing high-quality products. 我们以生产高质量的产品而自豪。 An adult cat may produce kittens three times a year. 一只成年猫一年可能生三窝小猫。 produce /prəˈdjuːs/ v. 生产；繁育 [不可数名词] 产品；（尤指）农产品 The shop sells only fresh local produce. 这家商店只售当地的新鲜农产品。 词义拓展 Language Points 辨析：produce, make 与create produce  强调“大规模生产”(尤指工厂生产或自然产出) make  最通用，强调“制作的过程”(手工、简单制造) create  强调“创造出全新的、原创的事物”(抽象或具体)  例：This phone is produced in China. 这款手机是中国制造的。 She makes cute paper cards for her friends. 她给朋友们制作可爱的纸质贺卡。 The artist created a special painting about hometown. 这位画家创作了一幅关于家乡的独特画作。 Language Points Finally, the object is produced by building up plastic. plastic /ˈplæstɪk/ n.塑料 adj.塑料的 n. 塑料 adj. 塑料的 We should reduce the use of single-use plastic to protect the environment. 我们应该减少一次性塑料的使用以保护环境。 These are plastic toys, so they are light. 这些是塑料玩具，所以很轻。 Language Points 3D printer /ˌθriː diː ˈprɪntə(r)/ n. 3D打印机 file /faɪl/ n. 文件 plastic /ˈplæstɪk/ n. 塑料 object /ˈɒbdʒɪkt/ n. 物体，物品 medicine /ˈmedɪsn/ n. 药物；医学 design /dɪˈzaɪn/ v. 设计 create /kriˈeɪt/ v. 创造，创建 produce /prəˈdjuːs/ v. 生产，制造 spread /spred/ v. 传播，扩散 inventor /ɪnˈventə(r)/ n. 发明家 radio /ˈreɪdiəʊ/ n. 收音机 distance /ˈdɪstəns/ n. 距离 effect /ɪˈfekt/ n. 影响，效果 build up 逐步建立，堆积 in seconds 在几秒钟内 across the Atlantic Ocean 横跨大西洋 at that time 在当时 because of 因为，由于 have a big effect on ... 对……有很大影响 all kinds of 各种各样的 under the sun 天下，世界上 everyday objects 日常物品 in medicine 在医学领域 【被动语态（一般现在时 / 情态动词被动）】 The object is designed on the computer. A file is created by the computer. The file is sent to the 3D printer. The file is read by the 3D printer. The object is produced by building up plastic. Almost everything can be made by it. Words Phrases Sentences Exercises Exercises 用所给词的适当形式填空。 The first electronic _______ (print) was developed in 1968. The gunpowder was a Chinese ________ (invent) . She has taught ________ (hundred) of students. printer invention hundreds Exercises 完成句子，每空一词。 1. 这些工具是用3D打印机生产的。 These tools ____ _________ ____ 3D printers. 2. 他按了一个按钮，然后等着坐电梯。 He _______ __ _______ and waited for the lift. 3. 那把旧椅子应该扔掉了。 That old chair ______ ___ _______ _____. are produced by pressed a button should be thrown away Exercises 1.Workers make many model toys.（改为被动语态） Many model toys ________ ________ by workers. 2.We can print many different things with a 3D printer. （改为被动语态） Many different things ________ ________ ________ with a 3D printer. are made 句型转换。 can be printed Exercises 翻译句子。 1. 词语也可以被转化为声音。 _________________________________________________ 2. 所有食物是由3D打印机制作的。 _________________________________________________ 3. 物体是通过堆积塑料制造出来的。 _________________________________________________ Words can also be turned into sound. All the food is made by the 3D printer. The object is produced by building up plastic. Must-do必做 Listen and read the tape scripts. Memorize your words/phrases/notes. Choose-to-do选做 用下列句型和同学讨论某样发明的功能，可以录制视频 —What can it be used for? —It can be used for/to ... —How does it work? —... Homework Thanks for listening！ null 80457.18 $