Unit5 Section A(3a-3d) 课件2026-2027学年人教版英语九年级上册

Power of Ideas Unit 5 Section A (3a-3d) Lead-in car phone bulb 3D printer TV camera computer plane Which invention do you think is the most useful? I think ____________ is the most useful. Presentation Look and guess What invention is it? It is an old but useful invention.  Before it was invented, news travelled very slowly. With it, news can spread around the world in seconds. It does not show pictures, but you can hear its voice. radio 1895年，意大利无线电工程师、企业家伽利尔摩·马可尼（ Guglielmo Marconi ），在意大利成功地把无线电信号发送到了1.5英里外的地方，他成为了世界上第一台实用的无线电报系统的发明者，并于1909年获得诺贝尔物理学奖，被称作“无线电之父”。 Pre-listening /ɡuːˈljelməʊ/ /mɑːˈkəʊni/ Skimming The radio 3a Read the conversation. What does Peter think is the most useful invention of all time? Read again and complete the chart. 3b Guglielmo Marconi. He developed the idea ___________, and the first radio message was sent across the Atlantic Ocean__________. It made information spread __________. the radio It helped the development of______________ The radio made it __________ for people to enjoy music from artists around the world. 10-26班 in the 1890s much faster other important inventions much easier in 1901 Read again and complete the chart. 3b Guglielmo Marconi. He developed the idea in the 1890s, and the first radio message was sent across the Atlantic Ocean in 1901. It made information spread much faster. the radio It helped the development of other important inventions like the television. The radio made it much easier for people to enjoy music from artists around the world. 1-9班 How do they introduce the most useful invention? Analyze Lead in the topic Inventor Time Influence Presentation Look and say 疑问词必重读：What、Why、Who 话题核心名词重读：radio、invention、news、world、music、television 关键形容词 / 副词重读：most useful、slowly、smaller、suddenly、big、easier 专有名词、时间数字重读：Guglielmo Marconi、Italian、1890s、1901、Atlantic Ocean 实义动词重读：invented、travelled、spread、developed、sent、enjoy 注意：冠词、介词、连词这类虚词轻读，不加重音，贴合日常口语朗读节奏 符合英语听力实词重读规则：名词、动词、形容词、核心时间 / 专有名词、疑问词重读；虚词弱读） 3c Listen to the conversation. Pay attention to how the key information is stressed. Then role-play the conversation. Fu Xing: What do you think is the most useful invention of all time, Peter? Peter: It has to be the radio. Fu Xing: The radio? Why? Peter: Before the radio was invented, information travelled very slowly. The world was made much smaller by the radio. Suddenly, news could be spread around the world in seconds. Fu Xing: Right. Who was the inventor? Peter: An Italian inventor called Guglielmo Marconi. He developed the idea in the 1890s. In 1901, a radio message / was sent / across the Atlantic Ocean / for the first time. Fu Xing: Wow! That was quite a distance at that time. Peter: Yeah. And because of the radio, some other important inventions were developed as well. Fu Xing: Like the television? Peter: That’s right. It also had a big effect on music. The radio made it much easier / for people / to enjoy music from artists / around the world. Tip: Stress key words louder and longer. Pause between sense groups. 3d Choose another invention that you think is the most important and make a mind map about it. Then describe it to a partner. Chuck Hull in 1983 A: Which invention do you think is the most important? B: I think ________________ is the most important A: Who was the inventor ? B:__________________. A: When was it invented? B:It was invented ______________________. 3D printer 10-26班 Louis 1839 the Wright brothers 1903 John 1920s Shinji 1964 Martin 1973 Adam 1980s 10-26班 3d A: Which invention do you think is the most important? B: I think ________________ is the most important A: Who was the inventor ? B:__________________. A: When was it invented? B:It was invented ______________________. 3d Choose another invention that you think is the most important and make a mind map about it. Then describe it to a partner. Chuck Hull in 1983 A: Which invention do you think is the most important? B: I think ________________ is the most important A: Who was the inventor ? B:__________________. A: When was it invented? B:It was invented ______________________. A:How did it change the world? B:______________________________________. 3D printer 1-9班 It can make real objects from computer designs. Louis 1839 the Wright brothers 1903 John 1920s Shinji 1964 Martin 1973 Adam 1980s 1-9班 A: Which invention do you think is the most important? B: I think ________________ is the most important. A: Who was the inventor ? B:__________________. A: When was it invented? B:It was invented ______________________. A:How did it change the world? B:____________________. Great ideas can change the world. Never stop thinking and trying. 伟大的想法能够改变世界。永远不要停止思考与尝试。 Language Points 18 Fu Xing: What do you think is the most useful invention of all time, Peter? Peter: It has to be the radio. Fu Xing: The radio? Why? Peter: Before the radio was invented, information travelled very slowly. The world was made much smaller by the radio. Suddenly, news could be spread around the world in seconds. Fu Xing: Right. Who was the inventor? 有史以来 It has to be… 一定是…… 在数秒之内，瞬间 Peter: An Italian inventor called Guglielmo Marconi. He developed the idea in the 1890s. In 1901, a radio message was sent across the Atlantic Ocean for the first time. Fu Xing: Wow! That was quite a distance at that time. Peter: Yeah. And because of the radio, some other important inventions were developed as well. Fu Xing: Like the television? Peter: That’s right. It also had a big effect on music. The radio made it much easier for people to enjoy music from artists around the world. 在19世纪90年代 首次，第一次 相当远的一段距离 have a big effect on sth.对...产生巨大影响 make it + adj. + for sb. to do sth. 使某人做某事变得……（it 作形式宾语） Language Points 1. Before the radio was invented, information travelled very slowly.在无线电发明之前，信息传播非常慢。 invent v.发明 __________ n. 发明 __________ n. 发明家 invention inventor Exercise: 请从invent，invention，inventor中选择适当的单词填空。 1.Thomas Edison was a great ______________. 2.The computer is a useful _______________. 3.Who ______________ the first telephone? inventor invention inventor Key word Expressions invent of all time, in seconds, for the first time ① What do you think is the most useful invention of all time? ② Who was the inventor? ③ ... made it much easier for sb. to do sth. Sentences Summary 22 radio, inventor, spread, distance, effect 1. The ____________ was invented by an Italian inventor. 2. Marconi was a famous ____________. 3. News can ____________ around the world in seconds. 4. In 1901, the message travelled a long ____________. 5. The invention had a big ____________ on people’s life. 选词填空 radio inventor spread distance effect Homework Try to find more inventions which were developed because of the radio by surfing on the internet. Must-do Choose-to-do 1.Review the conversation and read it aloud. 2.Try to describe an invention you think is the most important. 懒人笔记资料库制作,资料已申请版权,请认准懒人工作室购买,请勿侵权,请勿私自传播,谢谢!!! 公众号:懒人笔记资料库 wx助理号:yyyz1168 null 81841.805 $