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Unit 6 When was it invented? Section A 1a-2d What do they have in common? •They all need electricity [ lek tr s ti]. •They are of old style. Do you know their inventors? •They are all for daily use. Which invention do you think is the most helpful in our daily life? Why? T2 Background information Who invented the computer? John Neumann and his team invented the computer. The computer was invented by John Neumann and his team. John von Neumann and his team / n m n/ T2 Who invented the car? Karl Benz invented the car. Karl Benz /benz/ The car was invented by Karl Benz. Background information Who invented the elephone? The telephone was invented by Bell. Alexander Bell T2 Background information Who invented the TV? The TV was invented by J. L. Baird. John Logie Baird / l i/ T2 Background information 1a Look at the things below. Which one of them was invented first / last? Why? T3 Discuss and number Compare any two of them. e.g. I think the computer was invented before/after the ..., because ... _ 1876 _ 1885 _ 1927 _ 1971 How do you read them? Years 2. What are they talking about? 3. When were they invented? 1. What’s the relationship between two speakers ? T4 View, say and predict Four modern inventions 1b Listen and match the inventions with the years. _ 1876 _ 1885 _ 1927 _ 1971 Years Tip 1: Listen for inventions and numbers. T4 Listen and match d a c b A: When was the telephone invented? B: It was invented in… Alice’s grandma lived a/an _ life in her childhood. A. easy B. difficult C. boring Which two inventions did Alice’s grandma have in the past? A car and a computer A telephone and a car A computer and a telephone Why didn’t Alice’s grandma have a TV ? Because the price was so high. Because they didn’t like to watch TV. Because it was not invented yet. We couldn’t afford one. afford: v afford to do sth. affordable : adj —— unaffordable T5 Listen again for more details. scc3zbyy21102607 10 T6 Listen and repeat Q: How to talk about when things were invented? In