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unit11 warmingup &speaking 人教版高二英语Unit11 scientific achievement单元完整课件 人教版高二英语Unit11 scientific achievement单元完整课件VIP免费

unit11 warmingup &speaking   人教版高二英语Unit11 scientific achievement单元完整课件 人教版高二英语Unit11 scientific achievement单元完整课件unit11 warmingup &speaking   人教版高二英语Unit11 scientific achievement单元完整课件 人教版高二英语Unit11 scientific achievement单元完整课件unit11 warmingup &speaking   人教版高二英语Unit11 scientific achievement单元完整课件 人教版高二英语Unit11 scientific achievement单元完整课件unit11 warmingup &speaking   人教版高二英语Unit11 scientific achievement单元完整课件 人教版高二英语Unit11 scientific achievement单元完整课件unit11 warmingup &speaking   人教版高二英语Unit11 scientific achievement单元完整课件 人教版高二英语Unit11 scientific achievement单元完整课件
Unit 11 Scientific achievementsGoals:Talk about science and scientific achievementsPractise expressing intentions and wishesLearn about Word FormationWrite a persuasion essay CarsAeroplanesComputerSolar energytelevision Discussion:1.What scientific achievements do you think have changed the world . Which one do you think is the most significant ? Why ?2.Do these achievements have anything in common? If so , what? electricity:Because modern industry could do nothing without it. cloning:Because it can help us keep lots of precious living things. nuclear science:Because it has brought us the newest energy resources. solar energy: because it doesn’t cause any pollution. Four Great Inventions of Ancient ChinaGunpowder Printing Paper CompassOther inventions : sewing machine washing machine frigde ,etc. Do you know any famous scientists in the world? What do you know about the contributions to the world?Now look at the following pictures and see how much you know about them. 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. Wow! (Neil Armstrong was born on August 5,1930 in Wapakoneta, Ohio )As Armstrong became the first person to touch the Moon's surface, he spoke the unforgettable phrase, "That's one small step for man; one giant leap for mankind". Tomlinson, Ray (born 1941) : inventor of the first "killer app"Ray Tomlinson created one of the biggest communicatio...

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unit11 warmingup &speaking 人教版高二英语Unit11 scientific achievement单元完整课件 人教版高二英语Unit11 scientific achievement单元完整课件

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