【优选】 人教九年全册 Unit6 SectionA（ 1a-1c ）课件 （共20张ppt） Section A period 1

Unit 6 When was it invented? Section A 1a-1c Objectives To learn to understand and use the passive voice. To listen and speak about the history of inventions using passive voice. To listen and speak about what inventions were used using passive voice. Do you know what these inventions are? Karl Benz Do you know who these inventors are? Alexander Bell J. L. Baird Can you match the inventions with the right inventors? Karl Benz invented the first car in 1885. The first car was invented (by Karl Benz) in 1885. The first telephone was invented (by Bell) in 1876. Bell invented the first telephone in 1876. The first television was invented (by J. L. Baird) in 1927. J. L. Baird invented the first television in 1927. 1a Look at the things below. In what order do you think they were invented? Discuss them with your group. Then number them [1–4] (1 = first, 4 = last). A: I think the TV was invented before the car. B: Well, I think the TV was invented after th