1. Unit 18

3. the compass paper Printing Gunpowder

4. The first twenty years in the 20 th century: Inventions in the 20 th century: planepaper cups

5. In the 1920s : electric shaver ， TV ， the first film with sound ( 美国华纳兄弟电影公司拍摄的《爵士乐歌手》 ) ， frozen food ， traffic lights ， penicillin 青霉素

6. In the 1930s ： sunglasses ， zebra crossing ， canned beer ， ball-pen ， computer, tape-recorder

7. In the 1940s and 1950s ： nylon stockings ， color TV ， atomic bomb ， microwave oven ， jeep ， credit card, cable TV ， pocket transistor radio( 晶体管收音机 ) ， weight- reducing drink ， video recorder( 录像机 ) ，， hydrogen bomb( 氢弹 ) ， laser( 激光 )

8. In the 1960s and 80s : mouse ， cassette ， sleeping pill ， laptop computer ， scanner, e-mail, word processor software, mobile phone and walkman, CD ROM,….

9. In the last ten years : DVD ， Pentium“ 奔腾 ” 处理器， the cloned sheep Dolly, message / MSN( 短信 ), man- made liver ( 人造肝脏 )

10. Silicon chip planted in human brain New Inventions

11. What invention impresses you most? Top ten Inventions of All Time 人类历史上最重要的十大发明 Laser Light bulb/electricity Airplane Automobile Telegraphy Radar Radio Penicillin 青霉素 Microchip 芯片

12. How much do you know the inventors and inventions? A quiz

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

14. 2. ___ isn’t Thomas Edison’s invention. Light bulb Record player Telephone

15. 3. George Stephenson made the first train using a steam engine in ___. A. 1625 B. 1725 C. 1825

16. 4. _____ is called “Father of Car”. A. Rudolf Diesel B. Karl Benz C. Thomas Edison

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

18. 6. Marconi ( 马可尼 ) invented the first ____ in the world. A. TV B. Radio C. Typewriter

19. 7. ____ invented the first airplane. A. Wright Brothers B. Henry Ford C. Benjamin Franklin

20. Extended( 延伸的 ) inventions of foot:

21. Nose-top computer desktop laptop palmtop

22. What are the inventions in the future?

23. Electric shoes Inflatable bicycle Edible chopsticks Nose-top computer

24. A. Edible chopsticks Never throw away or wash chopsticks again. These chopsticks are both delicious and environmentally friendly. Save trees and have a snack at the same time –they come in five different flavours. Read the following description

25. B. Nose-top computer Are you tired of carrying around a heavy laptop computer? Here’s the solution: the new nose-top computer fits comfortable on your nose and weighs less than a pair of glasses. Use the keyboard vest when you want to type something.

26. C. Electric shoes The heel of this shoes is a machine that makes electricity with every step you take. You will never need to buy batteries again!

27. D. Inflatable bicycle You will never have to worry about having your bike stolen again. If you use our inflatable bike, you can simply let the air out and put your bike in a bag.

28. Discussion: Which of these “inventions” do you think would be useful? What should you do if you invent one of them? Apply for a patent for your invention

29. a patent 专利（权）；专利品；专利证书 a patent device 专利发明 patent right 专利权 apply for a patent 申请专利权 get / obtain a patent for / on an invention The Patent Office 专利局 The certificate of patent for invention 发明专利证书 patent marking 专利标记 patent number 专利号

31. Listen to the dialogues and fill in the chart: Mr. Jone ’ sMr. Butler ’ s Names of the inventions A vehicle with ___________ A device to help people ___________objects. How it works Without an _______ powered by the _______ The bags will______ and you won ’ t _________carry them. For what A means of ______________ He was ______ of carrying things. Why it was refused It has been_________. it ’ s a bike-like _____________ car. It doesn ’ t _______. He ______ has to carry the buckets. two wheels users transportation two-wheel carry heavy have to tired still engine invented float work

32. Go through the exercises on Page 58. Preparation for listening

33. Listen to Dialogue 1 and answer the questions. Part 1 1. What are the advantages of Mr. Jones’ new invention? The new invention is clean and cheap.

34. 2. How does it work? It’s a vehicle that doesn’t need an engine or fuel. The vehicle is powered by the person who uses it.

35. 4. Why does the patent officer not want to give Mr. Jones a patent? The patent officer won’t give the man a patent because the vehicle described by the inventor has already been invented ---- it’s a bike-bike two- wheel car.

36. Part 2 Listen to Dialogue 2 on the tape and answer the questions below.

37. 1. What has Mr. Butler invented? He invented a device for helping people carry heavy objects. 2. Why did he invent it? He was tired of carrying heavy grocery bags/ He got the idea when he saw a woman carrying some heavy bags. 1. What has Mr. Butler invented? He invented a device for helping people carry heavy objects. 2. Why did he invent it? He was tired of carrying heavy grocery bags/ He got the idea when he saw a woman carrying some heavy bags.

38. 3. How does it work? If you put the bags into a large bucket of water. The bags will float and you won’t have to carry them. 3. How does it work? If you put the bags into a large bucket of water. The bags will float and you won’t have to carry them.

39. 4. Why does the patent officer not want give Mr. Butler a patent? The patent officer won’t give the man a patent because his idea doesn’t work--- you would still have to carry the large buckets 4. Why does the patent officer not want give Mr. Butler a patent? The patent officer won’t give the man a patent because his idea doesn’t work--- you would still have to carry the large buckets

40. Suppose you are in the patent office and apply for a patent for your invention. Explain your invention and give reasons why it is useful. The patent officer should listen to you, ask questions, and decide if the idea is good or not. What questions may a patent officer ask? How will the inventors give reasons why it is useful?

41. Useful expressions What does it look like? What is it made of? How does it work? How do people use it? This invention can help people… This new invention will make it possible for people to… This is a new way of… It has many functions like… It is made of… It looks like… Patent officerinventor

42. Asking for a patent

43. A patent

44. Inventor A You have invent a car that uses water instead of petrol. Inventor B Your new invention is a flying bicycle. Work in groups

45. Inventor C Your new invention is a machine that makes it possible for people to see the future. Inventor D You have invented a pen that translates what you write into a foreign language.

46. Patent officer Listen to each group member and ask questions. Decide which of the inventions you think is the most useful and be prepared to explain why.

47. This invention can help people… What does it look like? What’s it made of? This new invention will make it possible for people to… Useful expressions

48. This is a new way of… How does it work? How would people use it?

49. Make up a dialogue Inventor: Patent officer: describe…and try to get a patent ask questions and decide…

50. Patent officer: Inventor: Hello! My name is … I want to apply for( 申请 ) a patent for my invention. What is your invention? What can it be used for? How does it work? What is it made of? …

51. Advertise your invention! Write an advertisement for your invention!

52. Homework Talk more about the inventors and inventions.