外研版（2019） 必修第三册 Unit 3 The world of science Starting out (课件11张PPT+视频+音频)

Unit 3 The world of science P1 Starting out press shoot v. 按 v. 射出(光、亮等), 放射 Read after the tape and speak out the Chinese immediately. Words and Expressions * 1. Can you list some inventions in history? 2. What invention is the most influential one in your opinion? Why? Think and Share 1. Papermaking, gunpowder, compass, printing, the computer, Internet, cellphone, plastic, glass... 2. In my opinion, the Internet is the most influential invention in history because it has changed the way people communicate and it has narrow the distance between people. Possible answers The scenes from The Machine Stops and In the Year 2889 have become a reality due to the invention of the Internet, computers, cellphones, radios and televisions. Read about the inventions from famous novels and choose those that have become a reality. 1.Which of the inventions in the video interests you most? Why? 2.Which of the inventions in the video do you think will become a reality? 3.Of all the inventions in the world, which do you think is the most useful? Why? Watch and say P25 1 Watch the video again and check your answers! If you were an inventor, what would you invent? Why? Talk in pairs USEFUL EXPRESSIONS If I were an inventor, I would invent a(n) ... because it might benefit those who ... Design one invention that will change our present life in a way. Group Work You are required to: 1. Draw a picture of your invention. 2. Explain your invention in front of the class. Self-evaluation 1. Can you describe an invention and its influence to the world? 2. Can you design a new invention and describe how it will change our present life in a way? 各个击破 Write an article about one future invention. Preview the New Age of Invention on Pages 26-27. $$