2. Unit 3 Inventors and inventions

3. courtyard walnut distinguish merciful product powder perfume stainless n. 院子；庭院；天井 n. 胡桃；胡桃木 vi. & vt. 显示 …… 差别； 使 …… 有所不同；辨别 adj. 宽大的；仁慈的 n. 产品 n. 粉末；火药 n. 香水；香味 adj. 无锈的；没有污点的 Words preview

4. cube cubic abrupt abruptly convenient caution expectation passive n. 立方体；立方 adj. 立方的 adj. 突然的；意外的 adv. 突然地；唐突地 adj. 便利的；方便的 n. 小心；谨慎 n. 预料；期待；期望 adj. 被动的；消极的； 被动语态的 Words preview

5. merry merrily seize criterion valid file adj. 愉快的；高兴的 adv. 高兴地；愉快地 vt. 抓住；捉住；夺 n. 标准；尺度 adj. 有效的；确凿的 n. 文件；档案；文件夹 vt. 提交；把 …… 归档 Words preview

6. call up now and then set about 给 …… 打电话 偶尔；有时 开始；着手 Expressions preview

7. How can you divide 13 oranges between 9 children fairly? Make orange juice. creative

9. Do you know what are the four inventions in ancient China?

10. What are they famous for? Newton gravity discovered

11. Benjamin Franklin flash is electricity. discovered

12. Stephenson the train invented

13. radium Madame Curie discovered

14. Zhang Heng the seismograph ['saizməgr ɑ :f] 地动仪 invented

15. Discuss in pairs which pictures below show inventions and which show discoveries. An amphibious car Stephenson’s “Rocket” DNA

16. 1. ____ isn’t Thomas Edison’s invention. Light bulb Record player “Rocket” A quiz

17. 2.Paper, printing, gunpowder and ___ are 4 great inventions in ancient China. abacus balance compass

18. 3. ________made the first train using a steam engine in 1825. A. Alexander Bell B. Henry Ford C. George Stephenson

19. 4. ____ invented the first airplane. A. Wright ( 莱特） Brothers B. Henry Ford C. Benjamin Franklin

20. 5. ___ is called “ Father of Dynamite （炸药） ”. A. Alfred Nobel B. Albert Einstein C. Alexander Bell

21. An invention is ____________________ ________________. A discovery is_____________________ ________________________________ ______. already existing in nature but not yet known finding out something not existing before creating something What’s the connection between discovery and invention? Discoveries often lead to inventions. Work out two rules:

22. What if some snakes are in your home ？

23. Unit 3 The Problem of the Snakes 蛇 的 困 扰

24. Skim the whole passage and get the main idea: Fast reading The text tells the p______ of the snakes and presents the p_________ of catching them and applying for a p______. roblem rocedures atent

25. 1. Applying for a patent 2. Finding a problem 3. Doing research 4. Testing solution 5. Thinking of a creative solution 6. Deciding on the invention Look at the list below and work out a suitable order.

26. Read the passage quickly to find the main idea of each part.

27. 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. (Paras. 2-3) The research on the approaches to solve the problem. (Paras. 4-6) The attempts to catch the snakes. (Paras. 7-8) The requirement of getting a patent.

28. Scanning to get detail information

29. 1.In this passage, the writer wants to encourage the readers to consider carefully the problems in daily life. 2.The writer was successful in catching the snakes in the second attempt. 3.An inventor can easily get the patent for the invention. T or F scanning Reading Comprehension III ____ _____

30. 4. The writer collected the passive snakes at his third attempt. 5. If you have a scientific theory or mathematical model, you can get a patent( 专利 ). 6. If your inventions pass the test, your application for a patent will be published 17 months from the date you apply.

31. 2. 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

32. scanning Reading Comprehension IV 1. How did the writer catch the snakes? A. Using something to attract the snakes into a trap. B. Taking their habitat to another place. C. Cooling the snakes so that they became sleepy. D. All the above.

33. 3. The biggest advantage of the writer's 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

34. 4. 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. The author and her mother released the snakes quickly after catching them. C. Your product must be different from everybody else's if you want to receive a patent. D. A patent will be published 17 months from the date you apply.

35. 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 kind of grass found in a mountain which can be used as a medicine. D. A new way to make dirty water clean.

36. Para Stages in the inventing process Example in this story 1 2 Find a problem The snakes must be removed but not harmed Do research Look for methods of removal; the habits of snakes scanning Reading Comprehension V The stages in making an invention.

37. 3 4,5, 6 7 Test the solution several times Try three times to make it work efficiently Apply for a patent This means the solution is recognized Think of a creative solution Identify three possible approaches: choose one

38. Snakes came near my mother’s house ____ ____ _____, which u____ my mother much, and she wanted me to ____ ____ ___them. So I ___ _____ researching the _____ of snakes to find the easiest way to _____ them. I thought of three possible a__________. Firstly, removing their h________; secondly, attracting them into a _____and thirdly cooling them so that they would become s_______ and could be easily caught. I made up my mind to use the third one. I tried three times and the third _______ was finally successful. ________by my friends and relations, I decided to _____ the opportunity, hoping to get a ________ with my invention. get about habits trap set pproaches attempt patent ridof pset now and then Review seize abitat leepy trap Pressed

39. If you wish to succeed, you should use persistence as your good friend, experience as your reference, prudence as your brother and hope as your sentry. ---- Thomas Alva Edison 如果你希望成功，当以恒心为良友，以经验为参谋， 以谨慎为兄弟，以希望为哨兵。 --- 爱迪生

41. The text narrates the problem of the snakes and presents the procedures of catching them and applying for a patent. What’s the main idea of the text? Skimming Reading Comprehension I

42. Discussion 1. What’s the writing purpose of the writer? 2. What should we learn from this text?

43. 1. What’s the writing purpose of the writer? The writer wants to inform us of the scientific methods to solve present problems so that we students can not only broaden the horizons but become more skilled in discovering and considering carefully the problems in daily life. We are also encouraged by the writer to be creative and hardworking as well as thinking independently.

44. 2. What should we learn from this text? We can learn from the text the way of doing scientific researches and how to apply for a patent. We can also learn that it takes an inventor great determination or persistence to achieve his or her goal in life.

45. you are able to prove that you are the first person to make the invention; you are recognized as a real inventor; you can make money if you sell your invention to others. Discuss with your partner what the advantages might be of getting a patent.