高中英语 36(Unit3 Warming up & Reading)课件 新人教版选修8 课件VIP免费

新课标人教版课件系列《高中英语》选修 ( 模块） 8-3.6Unit 3Unit 3 What are the important inventions of the 20th century? Which do you think is the most important one?Year InventionInventor (s)1902Air conditionWillis Carrie 1903Gas-motored and manned planeWright brothers1910The first talking filmThomas Edison1923Television Logie Baird1928Penicillin Alexander Fleming 1937photocopierChester F Carlson1940Color television Peter Goldmark1942Electronic digital computerAmerican scientists 1945 Atomic bomb American scientists1950 Credit cardsRalph Schneide1985 Windows OSMicrosoft Company1990 World Wide Web Tim burners-leeWarming up1. Discussion: Who was Edison? Do you know how many inventions he made? Can you mention some of them? Everybody knows he invented the electric bulb. A lamp can’t give light without electricity. Thomas Edison invented the electric bulb.Did Edison invent electricity? Can electricity be invented? Is electricity an invention or discovery? Why? 2. Which of this pictures show inventions? Does any of them show discoverers?Stephenson’s “Rocket”An amphibious carDNA伽利略的望远镜牛顿制造的反射望远镜X 射线广泛用于医学领域谷腾堡发明的印刷机英国钟表匠阿克莱特发明的水力纺纱机3. Work out rules that will help you decide what is discovery and what is an invention?(1) A discovery is A discovery merely makes known something that already exist in nature, such as the discovery on the New Continent by Columbia. (2) An invention is something that created by human being, such as the lighting rod. DiscoveriesInventions1. Electricity 1. Systems of delivering electrical light and heating to homes and offices2. Household machines for washing, ironing, keeping food cold, etc3. Computers, telephones, television, etcDiscoveriesInventions2. The movement of a...