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课件网) Section A 1a-2d Unit 1 When was it invented Before-listening 情 境 导 入 Which invention do you think is the most helpful in our daily life Why What do they have in common They all need electricity [ lek tr s ti]. They are of old style. They are all for daily use. Do you know their inventors 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/ Background information 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 Background information Who invented the TV The TV was invented by J. L. Baird. John Logie Baird / l ɡi/ Discuss them with your group. Then number them [1–4] (1 = first, 4 = last). Which one of them was invented first/last Why Discuss and number Compare any two of them. e.g. I think the computer was invented before/after the ..., because ... 新 课 探 究 While-listening ___ 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 View, say and predict Four modern inventions 单击此处添加标题文本内容 新课探究 Listen and match the inventions with the years. ____ 1876 ____ 1885 ____ 1927 ____ 1971 A: When was … invented B: It was invented in … 1b d a c b 单击此处添加标题文本内容 新课探究 A: When was the telephone invented B: I think it was invented in… A: Who was it invented by B: It was invented by… 1971 Barry 1885 Karl Benz 1876 Bell 1927 Baird Make new conversations with your partner using the information in 1b. 1c 单击此处添加标题文本内容 新课探究 2a Listen and number the inventions [1-3] in the order you hear them. 1 3 2 单击此处添加标题文本内容 新课探究 Invention What is it / are they used for shoes with special heels _____ the style of the shoes shoes with lights seeing _____ hot ice-cream scoop _____ really cold ice-cream Listen again and complete the chart below, pay attention to the structure “be used for”. 2b be used for doing sth.表示“被用来做某事”。 与be used to do sth. 同义。表示用途、目的。 changing serving in the dark 单击此处添加标题文本内容 新课探究 Make conversations using the information in 2b. A: What are they used for B: They’re used for … 2c 单击此处添加标题文本内容 新课探究 Read the conversation of 2d on Page 42 and try to answer the questions. 1. Who invented the zipper 2. When was the zipper invented 3. When was it first used widely Whitcomb Judson invented the zipper. It was invented in 1893. It became popular around 1917. 2d 单击此处添加标题文本内容 新课探究 单击此处添加标题文本内容 新课探究 After-listening paper-making 造纸术 printing [ 'printi ] 印刷术 compass ['k mp s] 指南针 gunpowder ['g npa d (r)] 火 药 What are the Four Great Inventions in ... ...
