1. Book8 Unit3

2. Warming up: In groups, discuss the inventions you know and then make a list.

3. Do you know what these inventions are and when did they happen? Telephone 1876

4. television 1923 colour television 1940

5. photocopier 1937 air conditioner 1902

6. electronic digital computer 1942

7. Atomic bomb 1945

8. Credit cards 1950

9. Penicillin 1928

11. 1. What’s the importance of invention? 2. What’s the uses of these inventions? Pre-reading

20. Here are some stages before they can have their invention approved, please out them in the suitable order. Pre-reading

21. 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 invention

22. The suitable order: Finding a problem Doing research Thinking of a creative solution Testing the solution Deciding on the invention Applying for a patent

23. What do you use to catch snakes?

24. Reading The problem of the snakes

25. Skimming: Skimming: Find out which paragraph or paragraphs deal with each inventing process in the passage and find the examples: paragraphStagesExamples in this story Find a problem The snake must be ________but not ______ Do researchLook for ________ of removal; the ______ of snakes Think of a creative solution Identify _______ possible approaches: choose___________. removedharmed methods habits three the last one 1 2 3 Task 1

26. Test the solution several times Try_____ times and finally __________. Apply for a patent This means the solution is ___________ 4,5, 6 7,8 three recognized succeeded

27. 3. Can you find out some key verb phrases to describe the final solution? Firstly, Secondly, Finally, After 2 hours, and The 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.

28. Patent office ( 专利局 ) plays the role of deciding what is an invention and what is not. And only inventions can get patens and so be recognized and protected. patents

29. 1. 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. Task 3 Post reading

30. 2. Do you think she will succeed in applying for a patent? Why? 3. Do you think she is confident about getting the patent? Now it’s a matter of waiting and hoping.

31. Task 4 Make a summary within 30 words The writer _______ a harmless way to _________ the snakes. She trapped the snakes by making them _____ and ______. She tried _______ solutions and __________. She wanted to apply for a __________ for it. invented catch coolsleep three succeeded patent

32. Conclusion 1. The correct stages in invention. 2. How to make summary using the key verb. 3. A patent is recognition of an invention.

33. Think of some solutions to solve these problems? Task 5 Assignment 1. If you don’t have water to wash your bowl, what will you do in order to have a clean bowl for your next meal?

34. 2. When we use the air conditioner, wu must shut all the windouws and doors. The air indoors is not fresh, especially after PE class.

35. 3. You take your food to school for lunch. But it becomes cold at noon. How can you enjoy a warm lunch?

36. 4. The students at the back of the classroom can’t see and listen well. How can they have as good a class as the students in the front?

37. 5. Your roommate is too lazy to fetch water by himself and always drinks the water in your kettle.

42. 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 the next morning. Task 2 Skimming

43. Preperation before the action Bought a __________. ________ a bowl with jelly for 24 hours. Prepare some _____________. 1Time:__________ Placed____________ over the snakes habitat and __________ on the bowl. Finally cover them with__________. Result: The snakes __________ into a hole. 2Time:__________ Repeat the first attemptResult: the snakes were _________. But they tried to _____ her.

44. Finally Time: ______________ ______________ Carried a ______. Collected the ________ snakes. Result: _________ the passive snakes. The next day___________ the snakes all back into the _______. Catch the snakes

45. 8. Between the outside and inside walls of the bowl there is some jelly, which freezes hard when cooled. when cooled 的构成：连词 + 过去分 词, 相当于 when 引导的状语从句 : when it is cooled. Bear them in your mind!

46. when/while/once/unless/until 等连词引导 的状语从句中的主语与主句的主语相同, 且从句的谓语动词中含有系动词 be 时， 从句中的主语和系动词 be 可省略，形成 “ 连词 + 分词 ” 结构。 Don’t speak until ( you are ) spoken to. 没叫你讲话不要讲。

47. While unfinished, he was ugly, but now he was a living horror. While unfinished,... = 原从句为主动结构时, 用 when/while…+ 现 在分词来代替 ; 原句为被动结构时候, 用 when /while…+ 过去分词短语来代替。 Be careful when crossing the street. While he was unfinished

48. When __ help, one often says “thank you” or “ it’s kind of you”. A. offering B. to offer C. to be offered D. offered 9. They abruptly disappeared into a convenient hole in the wall. 它们突然一下子就消失在墙壁附近的 洞里去了。

49. 11. Only after you have had that recognition can you say that you are truly an inventor. 只有你得到这种承认, 你才 能说你是真正的一个发明家。 Only 修饰状语置于句首，主句需用倒装 语序。 Only by working hard can we pass the exams.

50. 12. Nor will you receive a patent until a search has made to find out that your product really is different from everybody else’s. 你的产品要经过仔细调查, 证明它确 实与众不同, 你才能获得专利。

51. 以否定词 no, not, neither, nor, never, hardly, seldom, little 等开头的句子, 句 子的主句要部分倒装。 Never can you pass the exam if you don’t devote yourself to your study. Little did I know what was about to happen.