Unit 4 Amazing Science Topic 1 Section D 课件 2025-2026学年仁爱科普版（2012）九年级英语上册

该初中英语课件围绕“Amazing Science”单元，聚焦一般过去时被动语态，涵盖explorer、mark等核心词汇及阅读策略（猜测词义、略读、寻读）。通过红酒相关对话复习被动语态，结合例句解析、选择/填空/句型转换练习，搭建从理解到运用的学习支架，帮助学生循序渐进掌握语法点。 其亮点在于语法教学梯度化（从对话复习到多题型巩固）、阅读策略显性化（Fast-reading问题引导略读，Careful-reading细节提问）及创新实践融入（设计发明Project）。结合语言能力（阅读与语法运用）、思维品质（设计发明时的想象创造），如阅读环节通过“如何开头”任务培养信息获取能力，Project让学生设计发明并描述，学生能在实践中巩固技能，教师可借助结构化资料提升教学效率。

Unit 4 Amazing Science Topic 1 When was it invented? Section D Learning aims 一、掌握以下单词:explorer, mark, man-made, system等。 二、引导学生自主归纳本单元语法——一般过去时的被动语态。 三、能够根据不同的阅读目的运用阅读策略获取信息,如猜测词汇意思、 略读、寻读等,培养“读”的语言能力。 Review A: _ A: _ A: _ B: It's made from grapes. B: It's used for drinking. B: It's developed in 1982. A: _ B: It's invented in France. What is red wine made from? What is red wine used for? When was red wine developed? Where was red wine invented? Passive Voice ( ) The radio was invented by Guglielmo Marconi in 1895. When was the digital camera developed ? Grammar What is a rocket used for? Where was it developed? It was developed in the 1970s. It is used for sending satellites or spaceships into space. It was developed in Japan. 一般过去时的被动语态 was/were done ( ) 1. A big supermarket _in our city last year. A. is built B. were built C. was built ( ) 2. Could you tell me who the radio _ by? A. invents B. invented C. was invented ( ) 3. Many trees and flowers _ in our school last year. A. have planted B. were planted C. planted ( ) 4. The children _ swim last month and they can swim very well now. A. are taught B. were taught C. were taught to ( ) 5. It is said that potato chips _about one hundred years ago. A. were invented B. invented C. are invented C B C A C Paper _ (invent) by Cai Lun in ancient China. I _ (teach) in the middle school in China. The school library _ (close) yesterday because of the heavy rain. These new computers _ (not use) very often. They are still good. A lot of trees _ (plant) in our city last spring to improve the environment. Kangkang _ (wash) vegetables carefully every day. The letter _ (send) by my brother two days ago, but I haven't received it. Mobile phones _ (not allow) in the exam room. It's a strict rule. A young writer _ (write) the famous story in 2020. Our classroom _ (clean) every morning by the students on duty. was invented teach was closed are not used were planted washes was sent are not allowed wrote is cleaned 先观语态再观时态 1. People used radios to learn English in the past. _ 2. Jack showed the photo to me. _ 3. They raised much money for the Project Hope. _ 4. I often hear Mary sing English songs at home. _ 5. We mustn’t throw litter around. _ 6. People can visit planets like Mars. _ Radios were used to learn English by people in the past. The photo was shown to me by Jack. Much money was raised for the Project Hope by them. Mary is often heard to sing English songs at home by me. Litter mustn’t be thrown around by us. Planets like Mars can be visited by people. 感官动词变被动要还原to Functions I wish I could go into space some day. I hope your dream will come true. It’s said that he invented more than two thousand things during his life. Inventing is interesting and exciting and everyone can be an inventor. 我希望有一天能进入太空。 我希望你梦想成真。 据说他一生中发明了两千多样东西。 发明是有趣和兴奋的,并且每个人都能成为发明家。 Fast-reading How does the writer start the passage? _ A. Giving an example B. Listing numbers C. Showing an opinion D. Asking a question 1a [Task 2] Divide the text into 3 parts. D Careful-reading 1a Read and answer the question. 1. How did the early explorers know where they were? 2. What’s the disadvantage of using the stars as guiding marks? Using stars, they could find out where they were. It didn't work well at times. Because in the daytime or in bad weather, we couldn't see stars. Careful-reading 1a Read and answer the question. 3. What is a GPS? Is it useful to use? 4. What do you think the GPS will be used for in the future? It is like a man-made star. Yes, it is. Because we can use it at any time, in any place and in any weather to find out our position. ① It will help self-driving cars run safely. ② It will be used in farming so that farmers don't need to water vegetables themselves. ③ It can be used for helping people in need, because police or doctors can find them quickly. Post-reading 1a Fill in the blanks. Thanks to GPS, we can exactly know w _ we are now. GPS is like a man-made “star”. It can be u_ in any place and any weather condition to find out our p_. In the past, the early explorers had to use stars in the s_ to tell them where they were. However, this method didn’t work well when the weather was bad. So GPS is a great invention that can help humans to better e_ our planets and d_ where we are. here osition sed ky xplore iscover Project Describing Your Invention 1. This is Kangkang’s invention. Look at the information and the picture. What do you think of it? Discuss with your partners. Name: Plar (plan-car) Inventor: Kangkang Year: 2014 Use: Both flying and driving 2. Design your own invention. Draw a picture of it and write down the information about it. Name :_ Inventor:_ Year:_ Use:_ 3. Show the picture of your invention and describe it to the class. 4. Discuss in groups to decide which is the most useful /interesting/ funny invention. Project Describing Your Invention We learn: We can: Summary 1. Some words : mark, explorer 2. Some phrases: find out, in …, direction, as long as, work well, the rest of the time, be used to, the shape of 3. Some sentences: This method worked well at night as long as the weather was good and the stars could be seen. 1. Use the passive voice of the simple past tense more properly. 2. Talk about new technology GPS. 3. Develope our imagination and creativity by designing inventions. Thank you ! 66192.93 $