1、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

2、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

3、 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

4、 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

5、water at the airport. 4 Could you help me change the left _ of my car? The tyre (輪胎) 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.,century,candle(s),Passengers,wheel,mobile phone,distance,Which invention is probably

6、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 a

7、rticle and answer the following questions.,The wheel,Read 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 cars,While you read,2,What else needs wheels?,Why is the wheel perhaps the greatest inv

8、ention in history?,The telephone Alexander Graham Bell invented one of the first practical telephones in 1876. Since 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

9、 anytime, anywhere.,The telephone,over long distances,speak to each other,mobile phones,keep in touch with,each 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 bulb Thomas Edison devel

10、oped the first practical light bulb in 1879. 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?,Read the third part

11、of the article and answer these questions.,The light bulb,1 What did people use to see at night before the invention of the light bulb?,People used oil lamps, gas lamps or candles.,2 What has life been like after the invention of the light bulb?,People can do as many things in the evenings as they c

12、an in the daytime.,1946, ENIAC, the first computer,1981, IBM, the first PC,Now, laptops, tablets,The computer,Talk about the invention of the computer using the information below.,Talk about the computer,The computer is perhaps the greatest invention of the 20th century.,In , ,After its invention, ,

13、Since then, ,Before the invention of , ,With , people ,Today, ,Can you imagine life without computers?,Useful words/expressions: invent develop be able to have to across the world allow to do keep in touch with,The computer,1946, ENIAC, the first computer,1981, IBM, the first PC,Now, laptops, tablets,The computer,5,Which is the greatest inventio