[九年级英语]-新人教unit9 sectionA 1a-1c.pptVIP

Unit 9 When was it invented? 梧田一中 罗健 Unit 9 When was it invented? * Ⅰ. Discuss inventions in English. A: What is this in English? A: When was the car invented ? B: It’s a car. S1: In 1912. A: What was your guess? S2: The car was invented in 1912. * Ⅱ:Practice in pairs A: What is this in English? B: It’s a telephone. A: When was the telephone invented? B: It was invented in 1878. * TV1927 A: What is this in English? B: It is a TV set . A: When was the TV invented? B: It was invented in 1927. * personal computer1976 A: When was computer invented? B: It was invented in1976 * Bike1817 A: What’s this in English? B: It’s a bike . A: When was it invented? B: It was invented in 1817. * calculator1971 A: When was the calculator invented? B: It was invented in 1971. * washing machine1901 A: When was the washing machine invented? B: It was invented in 1901. * Was/ were invented in +年代或地点 * III .1a Ask some questions 1. Which one do you think is the oldest ? 2. Which one is the newest ? 3. Which one do you think is the oldest or the first invention ? 4. Which one is the newest or last invention ? * Ⅳ.Exercise 根据提示用适当的单词填空 . 1.When do you think the telephone was i_______? 2.Why w____ the car invented? 3.Thomas Edison was a great i ______ ,he invented many i _______. 4.--- W ____ was the computer invented? --- In 1976. nvented as nventions hen nventor * 5.I think the telephone was invented b____ the car . 6.The light b_____ gives people more time to work and play every day. 7.The housework is often done b__ my mother. 8.In the modern world, cars are more and more widely u____ in people’s life. efore ulb y sed * Ⅴ. Summary In this class ,we have learned to talk about the history of inventions with passive voice. We’ve also done some listening practice in understanding the target language in spoke conversation And we’ve done much oral practice , using the target language. * The passive voice. 被动语态 英语中动词有主动语态和被动语态两种语态. 主动