Unit5 Section A Speaking (3a—3d)课件2026-2027学年人教版九年级英语上册

Section a activity three c. Listen the conversation, pay attention to how the key information is stressed, then role play the conversation. What do you think is the most useful invention of all time? Peter IT has to be the radio. The radio. why? Before the . radio was invented, information traveled very slowly. The world was made much smaller by the radio. Suddenly, news could be spread around the world in seconds. right? Who is the inventor? An . italian inventor called guyon mocco y. He developed the idea in the eighteen nineties. In nineteen, no one, a radio message was sent across the atlantic ocean for the first time. Well, that was quite a distance at that time. yeah. And because of the radio, some other important inventions were developed as well. like the television. 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. 1874年，意大利博洛尼亚的庄园里加利尔摩马可尼出生，没人想到这个富家少年会掀起通信革命。19世纪末，电磁学浪潮席卷欧洲，20岁的马可尼在书房里盯着麦克斯韦的论文，突发奇想，电磁波能不能传递信息？1894年，受到赫兹电磁波实验的启发，他在自家楼顶架起天线，当30米外的助手按下电键，阁楼里的铃声第一次通过空气响起，人类通信史就此改写。意大利邮电部却泼来冷水，官员们敲着桌子说，无线电不过是个富家公子的玩具。1896年，马可尼提着木箱漂洋过海来到英国，在伦敦贫民窟的阁楼里继续试验。次年秋天，他首次实现电磁波信号穿越山冈的无线传输。1898年，更让游艇赛的实时战报飞进观众耳中，伦敦街头挤满举着报纸欢呼的人群。1901年寒冬，马可尼带着团队闯进纽芬兰暴雪区，天线气球被吹走，他就用风筝拉起152米长的铜线，手指冻僵了，就哈着热气继续调试设备。当耳机里传来三个短促的滴答声，3500公里外发来的莫尔斯马S整个科学界沸腾了。此前断言信号会被地球曲率挡住的专家们集体沉默，这个曾被嘲笑的异想天开彻底撕开了人类通信的时空边界。1909年，35岁的马可尼捧起诺贝尔奖杯时说，我只是抓住了空气里的光。从军舰求救到跨洋新闻，从皇室密谈到广播电台，他留下的电波网络让地球真正变成了地球村。今天，当我们用手机视频通话时，别忘了那个在暴风雪中用风筝捕捉电波的身影。从30米到3500千米，马可尼用坚持打破距离桎梏。真正的创新，始于大胆猜想。成渝执着坚守。他证明，被嘲笑的异想天开往往是通往未来的起点。今天，当我们在信息海洋中自由穿梭时，别忘了那个在风雪中用风筝和耳机为人类抓住第一束电波的人，这便是改变世界的力量。 Section A What changes can inventions bring to our lives? Speaking (3a—3d) 1. To read and get information to complete the chart about the most useful invention in Peter’s opinion. 2. To role-play the conversation between Fu Xing and Peter. 3. To describe an invention that you think is the most important to your partner, including its inventor, when it was invented, and how it changed the world. 4. To understand how great inventions have changed people’s lives and the world better. What do you think is the most useful invention in your life? ... I think... is the most useful invention because... What about Peter? What’s the most useful invention of all time in his opinion? Read the conversation quickly and get the answer. 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. 3a P44 无线电 Now let's read the conversation carefully and find the answers. What questions does Fu Xing ask Peter? Read the conversation carefully and complete the chart. The radio Guglielmo Marconi (an Italian inventor) Developed the idea in the 1890s; first radio message across the Atlantic in 1901 1. Made information travel much faster; news spread around the world in seconds. 2. Made the world “smaller”. 3. Led to other inventions like TV. 4. Changed music: people could enjoy music from artists around the world easily. 3b P44 What is your opinion of this invention? Do you think it's important? Introduce this invention in your own words. 教育背景：出生于博洛尼亚市，毕业于博洛尼亚大学 重要发明与成就： 1895 年：在家庭实验室完成首次无线电通信实验，传输距离达 2.4 公里。 1897 年：在伦敦创立马可尼无线电报公司，推动无线电技术的商业化应用。 1900 年：获得调谐式无线电报专利，大幅提升无线电通信效率。 1901 年：实现跨大西洋无线电信号传输（英格兰至纽芬兰），是无线电通 信史上的里程碑事件。 1902 年：改进磁检波器，提升了无线电通信的稳定性。 荣誉与贡献 1909 年：与布劳恩共同获得诺贝尔物理学奖。 其无线电报技术被广泛应用于航海安全通信，曾在 1909 年 “共和国号” 汽船事故救援中发挥关键作用，挽救了大量生命。 ·伽利尔摩・马可尼（Guglielmo Marconi） ·1874.4.25－1937.7.20 ·意大利无线电工程师、企业家，实用无线电报系统创始人，被称为 “无线电之父”。 Read again and pay attention to the expressions. 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. 有史以来；一直以来 传播得很慢 全世界 在几秒钟内；一瞬间 横跨大西洋 第一次；首次 make it easier for people to do sth. 使人们做某事更容易 提出构想;研发创意 相当；很 (用来加强语气) 在那时；当时 因为；由于 也；还 have a big effect on... 对…… 有重大影响 Read again and pay attention to the structure. 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. 提出话题 介绍发明者 & 发展史 从通信、科技延伸到文化生活，完整总结无线电的多重影响，自然收尾 被动语态 解释原因 1. 有史以来；一直以来 2. 传播得很慢 3. 在全世界传播 4.在几秒钟内；一瞬间 5. 第一次；首次 6. 横跨大西洋 7. 对…… 有重大影响 8.使人们做某事更容易 9.提出构想;研发创意 10. 相当；很 11. 在那时；当时 12. 也；还 Translate the following expressions into English. of all time travel very slowly spread around the world in seconds for the first time across the Atlantic Ocean have a big effect on... make it easier for people to do sth. develop the idea quite a + n. at that time as well 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. P44 1 Fu Xing: What do you think is _______________, Peter? Peter: It has to be ________. Fu Xing: The radio? Why? Peter: Before the radio was invented, information _________. The world was made much smaller by the radio. Suddenly, news could _____________________. Fu Xing: Right. __________? Peter: An Italian inventor called Guglielmo Marconi. He developed the idea in the 1890s. In 1901, a radio message ____________ for the first time. 2 Fu Xing: Wow! That was quite a distance at that time. Peter: Yeah. And because of the radio, some other _____________ as well. Fu Xing: Like the television? Peter: That’s right. It also __________ music. The radio ____________ to enjoy music from artists around the world. Choose another invention that you think is the most important and make a mind map about it. Then describe it to a partner. 3d P44 Introduce the invention The most important invention for me is ___. I think ____ is the most important invention. Talk about the inventor and time It was invented by ______. It was invented in ______. Explain its influence It changed the world because ______. Before _____ was invented, people ______. Now, people can ______ with it. It has a big effect on ______. Useful sentence patterns The most important invention for me is the mobile phone, because it has changed the world so much. It was invented by Martin Cooper in 1973. Before the mobile phone was invented, people could only talk face to face or use fixed telephones at home. Now, people can communicate anytime and anywhere with it. Messages can be sent around the world in seconds. The world is made much smaller by this invention. People’s lives have been greatly changed, and it is used in almost every part of daily life. It has a big effect on how people work and study, too. Peer Evaluation Form ★★★  Does the description include the name of the invention and why it is important?  Does the description mention the inventor and when it was invented?  Does the description explain how it changed people’s lives?  Does the speaker use key sentence patterns?  Does the speaker use passive voice sentences (e.g., It was invented in… )  Does the speaker speak loudly and clearly? 1. What do you think is the most useful invention of all time, Peter? 彼得，你认为有史以来最有用的发明是什么？ of all time ① Yuan Longping is one of the greatest scientists of all time. 袁隆平是有史以来最伟大的科学家之一。 ② This is the best book of all time. 这是有史以来最好的一本书。 有史以来；一直以来 2. He developed the idea in the 1890s. And because of the radio, some other important inventions were developed as well. 他在19世纪90年代提出了这一构想。 develop v. ① She slowly developed her idea into a full story. 她慢慢把自己的想法完善成了一个完整的故事。 ② This new technology was developed last year. 这项新技术是去年被研发出来的。 ① 提出 / 完善（想法 / 计划） ② 研制，开发 而且由于无线电的出现，其他一些重要发明也随之被研发出来。 develop the idea 提出构想 develop new technology 研发新技术 develop v. ① (使) 成长，发展，壮大 China is developing very fast. 中国正在飞速发展。 She develops an interest in science. 她培养了对科学的兴趣。 ② 培养；养成（习惯、兴趣、能力） development n. 发展；研发 developing adj. 发展中的 ▶ developing countries 发展中国家 developed adj. 发达的 ▶ developed countries 发达国家 变形拓展 用 develop 的适当形式填空。 1. People ___________ this technology in 2000. 2. Many new inventions _______________ (develop) because of the radio. 3. China is a __________ (develop) country. 4. The _____________ (develop) of AI is changing our lives. 5. She wants to __________ (develop) an interest in music. developed were developed developing development develop 3. And because of the radio, some other important inventions were developed as well. 而且由于无线电的出现，其他一些重要发明也随之被研发出来。 because of ① Many new jobs were created because of the development of AI. 许多新工作因为人工智能的发展而被创造出来。 ② The team lost the game because of him. 这支队伍输掉了比赛，都是因为他。 ③ He was late for class because of missing the early bus. 他因为错过了早班车而上课迟到了。 介词短语，“因为；由于”，后面必须接名词、代词或动名词（doing 形式），不能接完整句子。 He stayed at home because of the heavy rain. 他因为大雨待在了家里。 = He stayed at home because it rained heavily. because vs because of because of because 连词，后面接完整句子。 介词短语，后面接名词、代词或动名词。 选词填空 (because /because of)。 1. The sports meeting was put off ____________ the bad weather. 2. I stay at home ____________ I don’t feel well. 3. She cried ____________ his sad story. 4. She loves painting ____________ it makes her relaxed. 5. ____________ him, we finished the work on time. because of because because of because Because of as well ① I like history. I like science as well. 我喜欢历史，我也喜欢科学。 ② He can speak English, and he can speak French as well. 他会说英语，也会说法语。 ③ She bought some books and some pens as well. 她买了一些书，还买了一些钢笔。 意为“也”，常用于肯定句中，且位于句末，前面不用逗号。 用as well, also, too或either完成句子： 1. If he doesn’t go, I won’t go _______. 2. In this field he has knowledge and experience________. 3. Simon likes playing football, and he ________ likes  playing basketball. 4. He likes swimming, and his wife likes it, _____. as well, also, too, either as well，also，too和either都可表示“也”，它们各自的用法如下： ① as well常用于肯定句中，且位于句末； ② also用于肯定句中，通常位于句中； ③ too用于肯定句中，通常位于句末，常用逗号和前面的部分隔开； ④ either多用于否定句中，常位于句末。 相关辨析 either as well also too 4. It also had a big effect on music. 它对音乐也产生了重大影响。 have an effect on... ① The radio had a great effect on how people communicated. 无线电对人们的交流方式产生了巨大影响。 ② The invention of the internet has a big effect on our daily life. 互联网的发明对我们的日常生活影响很大。 对…… 有影响 / 起作用 形容词常用搭配： have a big/great effect on… 对…… 有巨大影响 have a bad/negative effect on… 对…… 有不良影响 have a positive effect on… 对…… 有积极影响 强化训练 Ⅰ. 单项选择。 1. Lu Xun is one of the best writers ______. A. of all time B. all the time C. on time 2. This new kind of robot ______ by scientists last year. A. developed B. was developed C. is developing 3. He gave up running ______ his weak legs. A. because B. since C. because of 4. Eating too much junk food ______ your health. A. has a bad effect on B. have a bad effect to C. has bad effect on 5. Many new skills ______ by young people every day. A. are developed B. developed C. were developed Ⅱ. 同义句转换。 1. Sleep quality greatly affects our daily life. Sleep quality ____ ____ _______ ____ ___ our daily life. 2. He failed the exam because he was careless. He failed the exam ______ ______ his carelessness. 3. The company developed a new phone last week. A new phone ______ ______ by the company last week. 4. Many people think he is the greatest player in human history. Many people think he is the greatest player ___ ___ ___. because of was developed has a big/great effect on of all time 1. Can you read the conversation and complete the chart about the most useful invention in Peter’s opinion? 2. Can you role-play the conversation with your partner? 3. Can you use a mind map and the given structures to describe your chosen invention (inventor, time, and how it changed the world) to your partner? 4. Can you explain how great inventions have changed people’s lives and the world? Must-do: 1. Read and recite the conversation about the radio. 2. Preview the Grammar Focus (4a—4c) on Page 45. Choose to do: Make a short video to introduce the invention that you think is the most important. null 81841.805 $