牛津英语8A课件Unit4-invention.ppt

What else needs wheels? Period 2 Reading (II) Module 2 Science and technology Oxford English Unit 4 Inventions 1 We can use it to communicate with people over long distances. 2 We can make phone calls with it anytime, anywhere. 3 It is perhaps one of the most practical inventions in the 20th century. Now people use it for both work and play. telephone/mobile phone mobile phone computer lift 4 After its invention, we no longer needed to use the stairs. Guessing game airplane/aircraft air conditioner the underground 5 It cools or warms rooms to make them more comfortable for people to stay in. 6 Passengers who use this for transportation no longer need to worry about traffic jams. 7 The Wright brothers invented the first machine-powered model of it. What inventions are described in the following sentences? Revision: Vocabulary comfortable carriage century passenger practical distance keep in touch with develop in the daytime imagine candle mobile phone wheel Complete the sentences with the words you have just read. Change their forms if necessary. You may need to fill in more than one word. 1 Da Vinci is the most famous 15th_____ painter. 2 Many years ago, people used ________ to light up their rooms. 3 __________can get free water at the airport. 4 Could you help me change the left _______ of my car? The tyre (轮胎) is flat. 5 How can I keep in touch with you if your ____________ is off all the time? 6 A straight line is the shortest _________ between twopoints. mobile phone Which invention is probably the greatest in history according to the article? 4 When was the first practical light bulb invented? 3 What did Alexander Graham Bell invent? 1 How do great inventions help people? The wheel. He invented one of the first practical telephones. In 1879. They help people live a better life. Skim the article and answer the following questions. Inventor Time of invention Life after its invention Examples: