人教版高中英语选修八 Unit3 Inventors and inventions reading课件（共63张）

课件63张PPT。新课标高二版.选修八Unit 3Reading Inventors and inventions Review what we have known about some famous inventors and their inventions. Know the stages every inventor must go through before they can have their invention approved. Discussion: 1. Who was Edison? Do you know how many inventions he made? Can you mention some of them? Everybody knows he invented the electric bulb. A lamp can’t give light without electricity. Pre-readingThomas Edison invented the electric bulb.Did Edison invent electricity? Can electricity be invented? Is electricity an invention or discovery? Why? 2. Do you know the stages every inventor must go through before they can have their invention approved? Here give you some similar stages used in research. Please arrange them in the suitable order. Applying for a patent 2. Finding a problem 3. Doing research 4. Testing the solution 5. Thinking of a creative solution 6. Deciding on the invention As you read the following passage, check the order you wrote above to see whether it follows the correct stages in producing an invention.Reading The text narrates the problem of the snakes and presents the procedures of catching them and applying for a patent, from which we have got a better understanding of how to do scientific researches and how to apply for aRead and answer the questions.1. What’s the main idea of the text?patent. After learning, we know that it usually costs some time and continuous efforts in order to solve some practical problems in a scientific way. The writer wants to inform us of the scientific methods to solve present problem so that we students can not only broaden the horizons but become more skilled in discovering and considering carefully the problems in daily life. 2. What’s the writing purpose of the writer?We are also encouraged by the writer to be creative and hardworking as well as thinking independently.Find a problemThe snakes must be removed but not harmedDo researchLook for methods of removal; the habits of snakes3. The stages in making an invention.Test the solution several times Try three times to make it work efficiently Apply for a patentThis means the solution is recognizedThink of a creative solutionIdentify three possible approaches: choose one4. Divide the passage into several parts and find out the main idea for each paragraph.Part 1(para.1)the discovery of the problem of the snakesPart 2(para.2-3)the research on the approaches to solve the problemPart 3(para.4-6)the attempts to catch the snakesPart 4(para.7-8)the requirements of getting a patent5. What are the three creative steps that the writer takes to catch the snakes without hurting them?1) to put the frozen bowl over the snakes’ habitat in the morning. 2) to put the frozen bowl over the snakes’ habitat in the evening.3) to put the frozen bowl over the snakes’ habitat in the evening and carry a net to collect the snakes without harming them the next morning.6. Why did cooling the snakes make them less active ? T ... ...