高中英语《Unit3 Inventors and inventions Warming up and reading》课件 新人教版选修8.ppt

Warming up and reading,Unit 3,Top 10 “inventions” that changed the world,1. GPS Technology 2. The Sony Walkman 3. The Bar code (条形码) 4. TV Dinners (冷冻快餐) 5. PlayStation (游戏站),Top 10 “inventions” that changed the world,6. Social Networking 7. Text messages 8. Electronic Money 9. Microwaves 10. Trainers,Among the top 10 inventions, which one do you think is the most important? Why?,Free talk,When we speak of inventions, we cant help thinking of the four great inventions in ancient China. Can you name them?,Free talk,paper-making,printing,compass,gunpowder,How many famous inventors do you know? What did they invent? Give some examples.,Zhang Heng (78139),Seismograph,Thomas Edison America (1847 - 1931),Alexander Graham Bell England (1847-1922),Karl Friedrich Benz Germany (1884-1929),Wilbur and Orville Wright invented the airplane, which they patented as a “flying machine”.,Airplane,This invention is made of metal. This invention looks like a bird. It makes it possible for people to fly to different places in the world. It is powered by an engine and is flown by a pilot.,Guess,This invention can help people do some daily work. It is helpful for housewives. The machine can move something that you put into it. It needs soap and water to wash something in it.,Washing machine,Guess,It allows you to get a likeness of an object. When you press the button, it works. When a flash happens, it will copy a scene onto a film. When the film is developed, the scene you copied appears on a paper-like thing.,Camera,Guess,The invention looks like a chair. It has a pipe through which the waste can go. People use it to get rid of waste in their bodies . It is usually made of china these years.,Toilet,Guess,Among the inventions above, which invention do you think is the most important one? Why? And how did it change peoples lives?,A discovery,= =,An invention,An amphibious car,DNA,discovery or invention?,Make a difference between invention and discovery according the situations.,Situation 1,Columbus found Tomato in America in 1492.,Situation 2,The Structure of DNA was first described by James Watson and Francis Crick in 1953.,A discovery is _. making or designing something that did not exist before. An invention is _. finding or learning about something (place, fact) that has already exist for the first time.,Discoveries often lead to inventions.,A new invention could make a lot of peoples lives easier. Do you have any good ideas?,new creative inventions,new creative inventions,Do you think its easy to invent something? Do you know how the electric lamp were invented?,Applying for a patent Finding a problem Doing research Testing the solution Thinking of a creative solution Deciding on the invention,If some snakes in your yard,Fast-reading,The text narrates the problem of the snakes and presents the procedures of catching them and applying for a patent.,Whats the main idea of the text?,Divide the text into four parts and work out the main idea for each part.,Part I Part II Part III Part IV,(Para. 1),The discovery of the problem of the snakes.,(Para. 2-3),The research on the approaches to solve the problem.,(Para. 4-6),The attempts to catch the snakes.,(Para.7-8),The requirement of getting a patent.,Careful-reading,1. The purpose of writing this text is _. A. to show us how to trap the snakes but not to kill them B. to tell people how to apply for a patent of the writers new idea C. to introduce the writers new idea of trapping the snakes and her application for a patent D. to tell the readers how to get a new idea and make it a patent,Choose the best answers.,C,2. The biggest advantage of the writers new idea is that _.,A. it makes the snakes move slowly B. it makes the snakes hardly bite us C. it is easier for us to kill the snakes without hurting ourselves D. it is easier for us to catch the snakes without killing them,D,3. What instruments were used for catching the snakes?,A. A bowl, ice-cubes, male perfume. B. A bowl, a bucket, female perfume. C. A small net, ice-cubes, a bucket. D. A small net, a bucket, powders.,B,4. Which statement is true according to the text?,A. The snakes were so sleepy in the second attempt that they couldnt bite the writer at all. B. Your product must be different from everybody elses if you want to receive a patent. C. The writer decided to send her invention to the patent office the moment she succeeded in catching the snakes. D. If an application for your product proves to be valid, you can get a patent immediately.,B,5. According to the text, which subject do you think can be given a patent?,A. A new star discovered by a scientist. B. A new novel written by Huo Da. C. A new way to make dirty water clean. D. A new kind of grass found in a mountain which can be used as a medicine.,C,Discussion,Why do you think the mother didnt try to catch the snakes herself?,2. Why do you think the writer