Unit6SectionA1a-2d课件2023--2024学年人教版英语九年级全册

Section A 1a-2d To learn to understand and use the passive voice(past tense) be + v (ed). To learn to listen for the details. To learn to talk about the history of inventions. Objectives Do you know the Four Great Inventions in ancient China? What are they? Except those inventions, can you think of other famous ones? Discussion 3 paper Cai Lun 105 A. D. printing Bi Sheng 1041-1045 What is it? Who and when was it invented … compass 11th Century gunpowder 9th Century car Karl Benz in 1885 calculator in 1971 What is it? Who and when was it invented … telephone in 1876 TV in 1927 Karl Benz Do you know who these inventors are? Alexander Bell J. L. Baird Can you match the inventions with the right inventors? 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) 4 2 1 3 1b Listen and match the inventions with the dates. _____ 1876 _____ 1885 _____ 1927 _____ 1971 d a c b a b d c 9 Listen again and answer the questions. Did grandma’s family have a car? Did grandma’s family have a TV? Why? Yes, they had a car. No, they didn’t have a TV, because they couldn’t afford one. 1c Student B, cover the dates. Student A, ask Student B when the things in the picture in 1b were invented. Then change roles and practice again. A: When was the telephone invented? B: I think it was invented in 1876. Make a similar conversation with your partner using the 1b as a model. A: When was the TV invented? B: It was invented in 1927. A: Who was it invented by? B: It was invented by Baird. Pair Work T: When was the telephone invented? S: It was invented in 1876. T: Who was it invented by? S: It was invented by Bell. 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. B