1. Unit 11 Scientific achievements

3. There are some great scientific achievements that have changed the world. Which one do you think is the most important? Why ?

4. possible to work at night possible to build factories possible to invent computers, telephones, TVs etc Electricity

5. Cars makes transportation cheap, easy, and convenient ; people can live far away from where they work ; policemen, doctors and firemen can reach accident scenes quickly;

6. Aeroplanes people can travel across the world mail and goods can be sent across the world

7. Radio and television provide entertainment and education; let people know news and other important information

8. The Internet provides education and entertainment; provides easy way for people to communicate with each other

9. Cloning Dolycolon may help us find cures for diseases may help couples who can't have children

10. Sir Isaac Newton (1642 - 1727) The Theory of Gravity helped people understand the world helped advance science

11. Nuclear science can produce energy can advance science

12. Solar energy clean and safe energy source, can help reduce pollution; may help build a cleaner and safer future

13. AchievementImportance / Reasons Electricitypossible to work at night possible to build factories possible to invent computers, telephones, TVs etc Carsmakes transportation cheap, easy, and convenient people can live far away from where they work policemen, doctors and firemen can reach accident scenes quickly Aeroplanespeople can travel across the world mail and goods can be sent across the world Radio and television provide entertainment and education; let people know news and other important information The Internetprovides education and entertainment; provides easy way for people to communicate with each other

14. AchievementImportance / Reasons Cloningmay help us find cures for diseases may help couples who can't have children The Theory of Gravity helped people understand the world helped advance science Nuclear science can produce energy can advance science Solar energyclean and safe energy source, can help reduce pollution may help build a cleaner and safer future

15. YearInvention or advanceInventor or origin 1285eyeglassesAlessandra de Spina 1784bifocal lensesBenjamin Franklin 1798mass productionEli Whitney 1812canned foodBryan Doukin 1826gas stoveJames Sharp 1827microphoneCharles Wheatstone 1846sewing machineElias Howe 1850refrigeratorJames Harrison and Alexander Twining 1857passenger elevatorElisha G. Otis

16. YearInvention or advanceInventor or origin 1886Coca-colaJohn Pemberton 1887contact lensesEugen A Frick 1890motion picturesWilliam Friese-Greene 1911air-conditioningWillis H. Carrier 1924frozen foodClarence Birdseye 1945artificial kidneyWillemJ.KoIff 1958laserCharles H. Townes 1960weather satelliteNASA, United States 1964home videotape recorder Sony, Japan

17. YearInvention or advanceInventor or origin 1965word processorIBM, United States 1969jumbo jet planeJoe Sutherland at Boeing, United States 1972video gameNoland Bushnel 1973microcomputerTrong Truong 1977space shuttleNASA, United States 1982artificial heartRobert Jarvik 1984compact-disk playerSony and Fujitsu Companies 1989gene transferSteven Rosenberg

18. Listening : Page 2 1. Listen to part 1 and complete the chart below. wordsspeakerAchievements “That is one small step for a man, one giant leap for mankind.” Neil Armstrong “Mr. Watson, _________________; I want you.” Alexander Graham Bell “QWERTYUIOP”Ray Tomlinson The first man on the moon. come here The first telephone call The first e-mail message

19. Can you explain Tomlinson's message? "QWERTYUIOP" are the first keys on a keyboard. When Tomlinson wanted to send a test message, he simply typed in the first letters on his keyboard.

20. 2 Listen to part 2 and complete the sentences below. 1 The words "____________" are famous because they are the __________of The Constitution of the United States of America. 2 Eureka is a word from the _____ language and means ____________ 3 If you ask a father, he might say: “______” If you ask a mother, she might say: “______” We ， the people first words Greek I have found it Daddy Mommy

21. 3 What would you say if you were...? A. the first person on Mars "May this be a happy new home for human beings." "I take this step for all of you back home." "Did I turn off the gas?" B. the first cloned human being "I have no mother or father, but you are all my family." "I am the child of human creativity and science." "Hey! That guy looks just like me!" C. the first person to travel in time "I have gone where no one else has gone before." "Greetings from the future." "Hello. When am I?" "Whoa! I must have pressed the wrong button." "Run! That dinosaur looks hungry!"

22. Listening Page 81 Part 1 1 How long did Yang Liwei's mission last? 21 hours 2 What made his mission possible? The team of scientists that have developed the Long March Rocket and the Shenzhou 5 Space Capsule.

23. 3 What did the reporters ask Yang Liwei when he returned? Tick the things the reporters asked about. ( ) whether he was afraid ( ) what he had seen ( ) his family ( ) why he wanted to be an astronaut ( ) his background ( ) whether he wanted to go to the moon ( ) whether he considered himself a hero ( ) his training 4 What did Yang Liwei say about the Great Wall? Yang Liwei said that he had not seen the Great Wall. √ √ √ √

24. Part 2 1 What did Yang Liwei have to learn in order to become an astronaut? He had to learn maths, learn about the earth, the weather, how to recognize stars, and how rockets work and how to find one's way in space. He had to develop both his mind and his body. He had to prove that he was strong, intelligent and determined to succeed. 2 Which subject did Yang Liwei have difficulties with? What did he do to overcome the difficulties? Yang Liwei had difficulties with English. In order to improve his English, Yang Liwei asked his wife to help him and practise with him.

25. 3 Retell what happened when Yang Liwei was flying his plane. One day when Yang Liwei was flying his plane, one of the engines stopped. He tried to stay calm and did his best to get back safely. He had almost reach the airport when suddenly the second engine stopped, too. Yang Liwei did not panic and managed to 1and the plane anyway. 4 What is Yang Liwei's mission today? Today, Yang Liwei is telling others about his experience. He wants to inspire young people and help them reach their goals, and he wants to teach people about space.

26. 5 What adjectives could you use to describe Yang Liwei's personality and qualities? brave, intelligent, calm, strong, heroic, determined.