牛津英语8AUnit4 invention课件

1、Period 2 Reading (II)Module 2 Science and technologyOxford EnglishUnit 4Inventions1We 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 w

2、ork and play. telephone/mobile phonemobile phonecomputerlift4 After its invention, we no longer needed to use the stairs. Guessing gameairplane/aircraftair conditionerthe underground5 It cools or warms rooms to make them more comfortable for people to stay in.6 Passengers who use this for transporta

3、tion 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: Vocabularycomfortable carriage centurypassenger practicaldistance keep in touch withdevelopin the daytimeimaginecan

4、dle mobile phonewheelComplete 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 Cou

5、ld 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. centurycandle(s)Passengerswheelmobile phonedistanceInventorTime of inventionLife after its inventionExamples:The

6、 wheelRead the first part of the article and complete the table.Dont know.A few thousand years ago.Travelling became faster and more comfortable. carriages trains carsWhile you read2What else needs wheels?The telephoneAlexander Graham Bell invented one of the first practical telephones in 1876. Sinc

7、e then, people have been able to speak to each other over long distances. Today millions of people across the world own mobile phones. They allow people to keep in touch with each other anytime, anywhere.InventorTime of inventionLife after its invention People can _. People can _ _.The telephoneover

8、 long distancesspeak to each other mobile phones keep in touch witheach other anytime, anywhere with Read the second part of the article and complete the table. Present the table as a dialogue.Alexander Graham Bell.In 1876.The light bulbThomas Edison developed the first practical light bulb in 1879.

9、 Before the invention of the light bulb, people had to use oil lamps, gas lamps or candles to see at night. With light bulbs, people can do as many things in the evenings as they can in the daytime. Can you imagine living without them?1946, ENIAC, the first computer1981, IBM, the first PCNow, laptop

10、s, tabletsThe computerTalk about the invention of the computer using the information below.Talk about the computerThe computer is perhaps the greatest invention of the 20th century.In , After its invention, Since then, Before the invention of , With , people Today, Can you imagine life without computers?Useful words/expressions:invent developbe