PEP人教版英语九年级全一册-Unit-6--Section-A-.pptxVIP

Unit 6 When was it invented? 人教版英语九年级全一册 Section A 1a-2d Learning objects By the end of the class, you will be able to … 1. Learn the key words: style, project, daily… 2. Understand the sentences of passive voice of the past tense. 3. Use the passive voice to talk about the history and usage of inventions. Free talk Do you know some famous inventors? Who are they? What were invented by them? Are these inventions useful? John von Neumann Alexander Graham Bell Thomas Alva Edison Some famous inventors and inventions computer telephone plane steam engine light Look and say What can you see in the pictures? Can you guess who invented them? Was the TV invented before the car or after the car? 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). 2 3 1 4 A: I think the TV was invented before the car. B: Well, I think the TV was invented after the car. What are they talking about? Can you guess when the inventions were invented according to the left column and 1a? _____ 1876 _____ 1885 _____ 1927 _____ 1971 Guess Listen and match the inventions with the years. _____ 1876 _____ 1885 _____1927 _____1971 d a c b I ask and you answer _____ 1876 _____ 1885 _____1927 _____1971 d a c b — When was the telephone invented? — It was invented in … 1. What didn’t the old woman have when she was a kid? A. Telephones. B. Cars. C. TVs. 2. Why didn’t the old woman have a personal computer when she was a kid ? A. Because it was expensive. B. Because it wasn’t invented then. C. Because her parents didn’t buy one. Listen again and choose Alice: Was your life very difficult when you were a kid? Grandma: Oh, not really. Why? Alice: Well, you didn’t have modern inventions like a telephone, right? Grandma: Of course we did! How old do you think I a