高二英语 Unit 11Scientific achievements课件- warming up 旧人教版 课件VIP专享VIP免费

Unit 11 Scientific achievementsWarming up and listening Alexander Bell electricity Thomas Edison the First telephoneLaite Brothers the electric LampMadame Curie black holes in UniverseFranklin Theory of GravitySteven Hawking the First PlaneElbert Einstein RadiumIsaac Newton the Theory of RelativityComputerThe first computer in the world. "Who invented the computer?" is not a question with a simple answer. The real answer is that many inventors contributed to the history of computers and that a computer is a complex piece of machinery made up of many parts, each of which can be considered a separate invention. Do you know who invented the first computer in the world?EdisonMaglev TrainIssac Newton 1642-1727 Which scientific achievement is the most important? Why?•Electricity•Cars•Aero planes•Radio and television•The Internet•Cloning•The Theory of Gravity•Nuclear science•Solar energyWhat do they have in common?•Make life better and easier.•Change the way we live•Help us understand what we couldn’t understand before.•Lead to new discoveries and advances in science.•Help us develop society.Alexander G Bell 1847-1922 A pioneer in the field of telecommunications, he was interested in the education of deaf people. This interest lead him to invent the microphone and, in 1876, a telephone. Wow! (Neil Armstrong was born on August 5,1930 in Wapakoneta, Ohio ) the first person to touch the Moon's surface. His unforgettable phrase, "That's one small step for man; one giant leap for mankind". Ray Tomlinson (born 1941) : inventor of the first “killer app”( 招人喜爱的应用程序 ) He chose the '@' symbol to mark the difference between a message that needed to go to different mailboxes---- e-mail.Some new words in th...