Unit 5 第三课时Section A 3a-3d 课件2026-2027学年人教版英语九年级上册

Unit 5 Power of Ideas Section A 3a-3d What changes can inventions bring to our lives? Learning Objectives 1 2 3 能读懂对话，获取对话中关于收音机的发明者、发明时间、发明背景及其带来的影响等方面的信息，理解并梳理语篇中一般过去时被动语态（was/were + done）描述发明过程与影响的表意功能（学习理解）。 能根据对话内容完成 3a–3c 的问题回答与信息梳理任务，能正确使用一般过去时被动语态句子，复述收音机的发明过程及其对世界的改变(应用实践)。 能讨论并表达自己心目中 "最有用的发明" 及其理由，能用被动语态简要介绍一项自己了解的发明，客观评价发明创造对人类社会发展的作用(迁移创新)。 Free-talk What do you think is the most useful invention?Why? I think _____________ is the most useful invention because_______________________________. the smartphone it makes our life more convenient Fu Xing and Peter are talking about the most useful inventions 1. What does Peter think is the most useful invention of all time ? Listen to the conversation and answer the question. The radio 有史以来 Let’s listen the radio Guglielmo Marconi In the 1890s. Some other important inventions were developed as well. News could be spread around the world in seconds. The radio made it much easier for people to enjoy music from artists around the world. Some other important inventions were developed as well. News could be spread around the world in seconds. News could be spread around the world in seconds. the radio Guglielmo Marconi In the 1890s. The radio made it much easier for people to enjoy music from artists around the world. News could be spread around the world in seconds. Some other important inventions were developed as well. Follow the video 有史以来 much/even far/a little/a lot + 比较级 全世界 几秒内，顷刻间 在19世纪90年代 第一次 Language points 在那时 because of +名/V-ing/代 也 对......产生重大影响 make it +形容词+for sb. +to do sth. 相当长的距离 Practice Talk about the most useful invention you think. I think the most useful invention is __________. It was invented by_______________. It was invented in_____________ It has a big effect on_____________ is Name 名称 inventor 发明家 Time 发时时间 Influence 影响 Name: laptop Inventor:William Time: 1980s Influences: People can work and study anywhere. News can be spread in seconds. ..... the laptop William the 1980s people’s life, work and study. 伟大的发明家奉献自我， 他们的发明照亮我们的未来。 Great inventors devote themselves to the world, and their inventions light up our future. Words: distance 距离, important adj. 重要的, television n. 电视, effect n. 影响；效果 ,artist n. 艺术家；音乐人励 Phrases: around the world 全世界；世界各地, in seconds 几秒之内；顷刻间 for the first time 第一次；首次. in the 1890s 在19世纪90年代 at that time 在那时 as well 也 make a big effect on .... 对......产生重大影响 make it +形容词+for sb. +to do sth. Functions: 被动语态： be+done Summary Homework Must-do 1.抄写短语。（明天听写） 2.完成练习册上的题。 Choose-to do 创意思考：Make an invention mind-map. Draw and write about the radio. Use passive voice. 制作一张发明思维导图，手绘并介绍收音机，使用被动语态。 1.makes it easier for sb. to do sth.让某人做某事变得更容易 2.hundreds of 数百，大量，许多 3.of all time 有史以来 4. make a big effect on .... 对......产生重大影响 5.quite a distance 相当长的距离 6.around the world 全世界；世界各地, 7.in seconds 几秒之内；顷刻间 8.for the first time 第一次；首次. 9.in the 1890s 在19世纪90年代 10.as well 也 Ⅰ. 用所给单词的适当形式填空 1. The wish to improve our lives is always the driving force for new inventions (invent). 2. The factory produced (produce) 10,000 mobile phones last month. 3. We should learn how to connect the printer (print) to the computer. 4. The girl called (call) Lily is my new classmate. 5. She wears a hat to protect (protect) her skin from the strong sun. 练习册 Ⅱ. 完成句子。 1. 这款新的应用程序让学生学习英语词汇变得更容易。 The new app makes it easier for students to learn English vocabulary. 2. 数百名志愿者参与了清理公园的活动。 Hundreds of volunteers joined the activity to clean up the park. 3. 很多人认为他是有史以来最伟大的篮球运动员。 Many people think he is the greatest basketball player of all time. 4. 吃太多糖对我们的牙齿有不良影响。 Eating too much sugar has a bad effect on our teeth. 5. 在街上遇到老朋友，真是相当大的惊喜。 It was quite a surprise when I met my old friend on the street. Thank You null 81841.805 $