Unit 3 Inventors and inventionsPeriod 1&2: 幻灯片9-48页 Invention and Discovery An Invention is something that is created by a human being. Warming up-III (2m) A discovery merely makes known something that already existed in nature. 1.What are the uses of these inventions? Pre-reading Discussion: What do you think is the greatest invention in the world? Why? Your reason?telephone?papermaking?computer?flush toliet?vaccination? (接种疫苗）接种疫苗）instant noodle？？ Do you know the stages every inventor must go through? Discuss in pairs , and then put the following stages into a suitable order.1.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 inventionPre-reading – II (3m) The suitable order:Finding a problemDoing research Thinking of a creative solutionTesting the solutionDeciding on the inventionApplying for a patent ReadingThe problem of the snakes Scanning: Find out which paragraph or paragraphs deal with each inventing process in the passage and find the examples:paragraphStages Examples in this storyFind a problemThe snake must be ________but not______Do researchLook for _________ of removal; the ______ of snakesThink of a creative solutionIdentify _______ possible approaches: choose__________.caughtharmedapproacheshabitsthreelast one123 Test the solution several timesTry_____ times to make it workApply for a patentThis means the solution is ___________4,5,67,8threerecognized The three creative steps: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.Task 2 Skimming 3. Can you describe the final solutionin your own words?Firstly, Secondly, then, the next morning, andThe next day, freeze the bowl for 24 hours. place it over the snakes’ habitat with some ice-cubes on its top. cover the whole thing with a large bucket. remove the bucket and the bowl;collect the snakes with a net.release them into the wild. Task 4 Make a summary within 30 words• The passage talks about that the writer _______ a harmless way to _________ the snakes . She trapped the snakes by making them _____ and ______. Finally, she decided to apply for ________ for her approach. inventedcatchcoolsleepypatent 1. According to the text, which of the following inventions may get a patent? A. A truly novel idea. B. A new plant variety. C. A computer program. D. A scientific theory. II. Read the text carefully and choose the best answer.A 2. Which of the following is TRUE according to the text?A. In my first attempt, the snakes were as active as before.B. The snakes were not sleepy at all in my second attempt.C. I killed all the snakes after I collected them.D. Ice-cubes were used in the three attempts.D 3. The purpose in writing this text isA. to show us how to trap the snakes but not to kill themB. to tell people how to apply for a patent of the writer's new ideaC. to introduce the writer's new idea of trapping the snakes and her application for a patentD. to tell the readers how to get a new idea and make it a patent 4. The biggest advantage of the writer's new idea is that:A. it makes the snakes move slowlyB. it makes the snakes hardly bite usC. it is easier for us to kill the snakes without hurting ourselvesD. it is easier for us to catch the snakes without killing them 5. What instruments were used for catching the snakes?A. a bowl, ice-cubes, male perfumeB. a bowl, a bucket, female perfumeC. a small net, ice-cubes, a bucketD. a small net, a bucket, powders 6. Which statement is true according to the text?A. The snakes were so sleepy in the second attempt that they couldn't bite the writer at all.B. Your product must be different from everybody else's 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. 。