Unit 4 Topic 1 Section B 课件2024-2025学年仁爱科普版九年级英语上册

Unit 4 Topic 1 When was it invented ? Section B Leading-in What’s the song about ? Passive Voice in the Present Tense（一般现在时的被动语态） We sing the song. The song by us. You play the song. The song by you. He plays the drums. The drums by him. She sings the song. The song by her. It sings the song. The song by it. ... is sung is played are played is sung is sung be done is sung is played are played is sung is sung the main structure Pre-listening Michael and Jane went to the science museum. Do you want to know what things were found in the science museum? Let’s start their trip to the science museum. Look and talk about the inventions. plastic / study 1985 / Japan What is a laptop made of ? What is it used for ? When was it developed? Where was it developed ? It is made of plastic. It is used for studying . It was developed in 1985 . It was developed in Japan. Trip 1 1879 Thomas Edison What’s this? When was a light bulb invented? Who was it invented? It’s a light bulb. It was invented in 1879. It was invented by Thomas Edison. /bʌlb/ n. 电灯泡 1895 Guglielmo Marconi When was a radio invented? Who was it invented? It was invented in 1895. It was invented by Guglielmo Marconi. 1903 Wilbur and Orville Wright What’s this? When was an airplane invented? Who was it invented? It’s an airplane. It was invented in 1903. It was invented by Wilbur and Orville Wright. the first plane /ˈeəpleɪn/ n. 飞机 While-listening ( ) 1. Where are Michael and Jane? A. In the science museum. B. At the school library. C. In the zoo. D. In the park. ( ) 2. How many things did Thomas Edison invent during his life? A. More than 2000. B. Less than 2000. C. More than 200. D. Less than 200. ( ) 3. Which object（物品） is not mentioned in the conversation ? A. Light bulb. B. Airplane. C. Television. D. Radio. listen to 1a and choose the correct answers. A A C 1b Read 1a and complete the table. Invention Inventor Year light bulb Guglielmo Marconi 1903 radio airplane Thomas Edison Wilbur and Orville Wright 1879 1895 1c 提示：点击文本框可听录音。 Yeah. It is widely used by people everywhere. Do you know when it was invented? 1a Look, listen and say. Look, a light bulb! It was invented in 1879. Who invented it ? Thomas Edison. It’s said that he invented more than two thousand things during his life. What about the radio? The radio was invented by Guglielmo Marconi in 1895. Jane, let’s go this way. Look! An airplane, but it’s different from today’s. Yes. It was invented by Wilbur and Orville Wright in 1903. Michael and Jane saw some other inventions in the science museum. Trip 2 Let's take a look at some other inventions together Listen to the three passages and match the pictures. 3 Invention A. Karl Benz B. John Baird Inventor Year a. 1926 b. 1876 c. 1885 The car was invented in 1885. Its inventor was Karl Benz. One century later, people have made progress in automobile development. Many types of cars zre produced now, including tiny cars. Alexander Graham Bell invented the telephone in 1876. It makes communication much easier. Now nearly everybody owns a cellphone. Cellphones have many uses, such as sending messages, taking photos, listening to the news and music, and reading online. C.Alexander Graham Bell Another invention is the television. It was invented by an English scientist, John Baird, in 1926. This invention helps people watch films without going to the cinema. Many TV programs are available at any time. Post-listening Trip 3 They met Kangkang, Wang Junfeng and Li Ming. During their visit to the science museum jeans Do you know how jeans were invented ? When the jeans were produced first ? What the jeans were made of ? Who the jeans are designed for ? Do you want to know: Fill in the blanks with the proper forms of the given words. 2 The first jeans were produced in 1855. At that time, they (not call) jeans and they were just hard-wearing pants designed for workers. The pants (make) of the brown cloth. This kind of cloth usually (use) for making tents. Nowadays, their materials have been changed so that it feels more comfortable. And many different jeans styles (also) (create). They (design) not only for workers but also for teenagers and women. Later jeans are popular all over the world. were not called were made was used are created are designed [hɑrd ˈweərɪŋ] adj. 耐磨的 were not called were made was used are created are designed The main structure of Passive Voice be done（动词的过去分词） were produced were designed Project Trip 4 Invention Material Usage Year Country Inventor Something else 1999 Deng Guoshun I think ... You may begin like this: ... is one of the greatest inventions ... It’s said that .... I think ... Modern Technology Exhibition Hall 现代科技展馆 U disk plastic and metal store information What makes a great inventor? maginative 富于想象力的；有创造力的 ew uresome 大胆的；好冒险的 pen-minded 思想开明的 esolute 坚定的；有决心的 i n vent o r inventor Summary We learn: 1. Some words: bulb, airplane, hard-wearing, Korea... 2. Some phrases: be used by, more than, be different from… 3. Some sentences: It’s said that he invented more than two thousand things during his life. We can: 1. Use the simple past passive voice: Do you know when it was invented? It was invented in 1879. 2. Talk about the inventors of some great inventions. Homework 1. Learn the new words and phrases by heart. 2. Recite the dialog in 1a. 3. Finish Section B in the workbook. 4. Preview Section C. 天才就是 1％的灵感加上99％的汗水 —— 爱迪生 Genius is 1% inspiration and 99%  perspiration. Thanks for listening! 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