2. Solar energy

3. How do they change our life? Cloning The Internet Aeroplanes Radio and television Nuclear science Solar energy Electricity Cars The Theory of Gravity

4. How do they change our life? Cloning The Internet Aeroplanes Radio and television Nuclear science Solar energy Electricity Cars The Theory of Gravity Clone : Advantages : can help some women have babies; can help medical research can help us keep lots of precious living things Disadvantages : not natural to make people dangerous people use it to do strange things

5. Do these achievements have anything in common ? If so, what ? They have a great effect on people’s life. They change the lifestyle and make the human society move on and become more comfortable.

6. He was born on August 5,1930 in Wapakoneta, Ohio As Armstrong became the first person to set foot on the moon, he spoke the unforgettable phrase, "That's one small step for man; one giant leap for mankind". Neil Armstrong

7. Alexander G Bell 1847-1922 A pioneer in the field of telecommunications, Bell had been interested in the education of deaf people. This interest lead him to invent the microphone and, in 1876, his "electrical speech machine," which we now call a telephone. By 1878, Bell had set up the first telephone exchange in New Haven. By 1884, long distance connections were made between Boston and New York City.

8. Ray,Tomlinson (born 1941) : Ray Tomlinson created one of the biggest communications phenomena almost by accident --- e-mail. He chose the '@' symbol to mark the difference between a message that needed to go to a mailbox on the local computer and one that was headed out onto the network

9. He is the man who first invented the bulb. Edison

10. Part 1 WordsSpeakerAchievement “That’s one small step for a man, one giant leap for mankind.” Neil Armstrong “Mr. Watson, ____________; I want you.” Alexander Graham Bell “QWERTYUIOP”Ray Tomlinson First man to set foot on the moon First telephone call First e-mail message come here

11. QW S E A ZX D CVBN GF M KJH RPOIUYT L QWERTYUIOP

12. Part 2 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 firstwords Greek I have found it Daddy Mommy

13. 1.S_______ energy is important for us today. 2.He is a success as a businessman but a f________ as a husband. 3.The b_______________he made recently in his scientific research give great contributions to society. 4.Nothing could stop me from a___________ my aim 5.Speech is the main difference between m_________ and animals. 6.According to the American C____________, presidential elections are held every four years. chieving ankind onstitution olar ailure reakthroughs

14. 1. Look! The dark clouds are gathering in the sky. It’s l________ to rain. 2. Children’s letters are their p________ property and their parents can’t read them without being permitted. 3. Though he was successful in many ways, he was a f________ as a writer. 4. They g________ the thief firmly by the arm and sent him to the police station. 5. The a_____________ of the furniture in our new house took a long time. 6. Please a_________ an appointment for me with the manager. ikely rivate ailure rasped rrangement rrange

15. 1.We must r_____ on our own efforts to succeed. 2.My younger sister a______ at becoming a good doctor in the future. 3.I bought a second-hand car because of e_______ reasons. 4.It is important for us to m_______ the usage of most of verbs in English. 5.It is normal for us to make some mistakes, for none of us are p________. 6.The heart is one of the body’s important o_______. 7.Scientists have made a breakthrough in their treatment of that disease. 8.The government a_________ that the danger of SARS was past. ely ims conomic aster erfect rgans nnounced

16. 1. Ex 1 (for warming-up and listening) 2.Preview the new text and do Ex 1 on P4 3.Master the new words

17. The Internet: Advantages : Easier to keep and use information Make communication faster Disadvantages : Unsafe because of viruses Difficult to control when sth. goes wrong

18. Space flights : Advantages : Makes research outer space possible Put communication satellites in space Disadvantages : Expensive and dangerous If sth. goes wrong it is difficult to help and rescue people

19. nuclear science: Because it has brought us the newest energy resources. solar energy: because it doesn’t cause any pollution. electricity: Because modern industry could do nothing without it