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课件网) Unit 4 Inventions 主题范畴： 人与社会 主题群： 科学与技术 子主题： 科学技术与工程，人类发明与创新 Key question What makes an invention great Do you know the Four New Inventions of China What are they High-Speed Rail Alipay E-commerce Shared Bicycles Wheel's Enduring Evolution 1.Origins of Human Travel Early humans only walked 2.Horse Transportation Era Horse - riding let people travel farther 3.Wheel Invention Breakthrough Wheel changed how people move and trade 4.Stone Road Development Wheel made people build stone roads. 5.Roman Road Engineering Romans made better roads. 6.Machine Age Wheel helped make all kinds of machines. 7.Digital Age Wheel Wheels are still important in modern devices. 8.Timeless Invention Impact（影响） Wheel is one of the best human inventions. Vocabulary practice ___ (1) attach (line 13) ___ (2) pull (line 13) ___ (3) path (line 17) ___ (4) depend on (line 24) ___ (5) doubt (line 26) 1 Find the words and the phrase in the article on pages 52-53 and match them with their meanings. a a feeling of not being sure about something b a way made by a lot of people walking on it c to need something in order for something else to happen d to join one thing to another e to move something in a certain direction d e b c a 2 Complete the conversation with the words and the phrase from Exercise 1. Change the form if necessary. Interviewer: Hello Dr Li! You wrote a book about the history of the wheel. How did the wheel change people’s lives Dr Li: Before the wheel, people (1)_____ animals to carry heavy things, or they carried things themselves. Interviewer: Did people continue to use animals to move things after the invention of the wheel depend on Dr Li: Yes. That’s how horse-pulled vehicles came about. They put things in the vehicles, (2)_____ the horses and off they went! It was so much easier for a horse to (3)_____ something than carry it on its back. Interviewer: How were the roads back then Dr Li: Terrible! The roads were really just (4)_____ from people walking the same way for years. Interviewer: Thank you for the information! Dr Li: You’re welcome. There is no (5)_____ that the wheel is the greatest invention of all time! attached pull paths doubt City commuting and long - distance road trips _____ the car, making daily travel more convenient. _____ the electric car, concerns about fuel costs and environmental protection have grown. Traditional horse - drawn carriage industries _____ the car, as motor vehicles became more popular. Advanced engine technology aims to _____ a car’s speed and fuel efficiency simultaneously. Revolutionizing personal transportation and trade, the car is often called _____. increase after the arrival of... changed with the invention of... depend on one of the most important inventions of all time 3 Write about an invention with the word and expressions below. The Invention of the Light Bulb The light bulb is one of the most importa ... ...
