新沪教牛津版八年级上册英语 Unit 4 period 2 教学课件

1、Module 2 Science and technologyUnit 4 InventionsPeriod 2Period 2 Reading (II)学习目标：1 理解和运用短语in the early 19th century, be able to,across the world,allowto do, keep in touch with等。2 能利用所给提示（如图片、关键词等）描述一件发明。3 能通过图表理清文章结构，归纳文章大意。4 深入了解伟大发明如何改变人类的生活。RevisionWhat inventions are described in the following

2、sentences? We can use it to municate with people over long distances. 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 phonemobile phone puterlift4 After its inventi

3、on, we no longer needed to use the stairs. airplane/aircraftair conditionerthe underground5 It cools or warms rooms to make them more fortable 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 machin

4、e-powered model of it.What inventions are described in the following sentences? InventorTime of inventionLife after its inventionExamples:The wheelRead the first part of the article and plete the table.Dont know.A few thousand years ago.Travelling became faster and more fortable. carriages trains ca

5、rsWhile you readInventorTime of inventionLife after its invention People can _. People can _ _.The telephoneover long distancesspeak to each other mobile phones keep in touch witheach other anytime, anywhere with Read the second part of the article and plete the table.Alexander Graham Bell.In 1876.R

6、ead the third part of the article and answer these questions.The light bulb1 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 even

7、ings as they can in the daytime.The wheelThe wheel is perhaps the greatest inventionin history. After its invention, travellingbecame faster and more fortable. Afew thousand years ago, people startedto use wheels on carriages. In the early19th century, the first trains began tocarry passengers. At t

8、he start of the 20thcentury, cars became popular. Without the wheel, we would not have these inventions.Great inventionsGreat inventions change the world. They help people live a better life. The following are three of the most important inventions in history.The telephoneAlexander Graham Bell inven

9、ted 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 anytime, anywhere.The light bulbThomas Edison developed the

10、 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?D1 Read the article on page 5

11、1 and plete the table below.faster and more fortable Alexander Graham Bell speak to each other over long distancesThomas Edison do as many things in the evenings prehensionHow did people see at night before the invention of the light bulb?Which of the three things was invented firstD2 Read the artic

12、le again and answer the questions below in plete sentences.The wheel was invented first.They allow people to keep in touch with each other anytime, anywhere.They had to use oil lamps, gas lamps or candles to see at night.What inventions did the wheel make possible?How do mobile phones help people ke

13、ep in touch with each otherIt made the inventions of carriages, trains and cars possible.1946, ENIAC, the first puter1981, IBM, the first PCNow, laptops, tabletsThe puterTalk about the invention of the puter using the information below.Talk about the puterThe puter is perhaps the greatest invention

14、of the 20th century.In , After its invention, Since then, Before the invention of , With , people Today, Can you imagine life without puters?Useful words/expressions:invent developbe able tohave toacross the worldallow to do keep in touch with The puterD3 Can you name any other great inventions? Why do you think