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课件网) Unit 6 When was it invented Section A Lead-in Do you know Chinese four great ancient inventions Chinese four great modern inventions Talk about with your partner. What was…invented It was invented in… Who invented it It was invented …. 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). 1 2 3 4 1b Listen and match the inventions with the years. ____ 1876 ____ 1885 ____ 1927 ____ 1971 d a c b 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. When was the telephone invented I think it was invented in 1876. When was the car invented It was invented in 1885. 2a Listen and number the inventions [1-3] in the order you hear them. 2b Listen again and complete the chart below. 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 changing in the dark serving 2c Make conversations using the information in 2b. What are the shoes with lights used for They’re used for seeing in the dark. 2d Read the passage quickly and answer the questions. What is the subject for their school project 2. What kind of invention does Roy think of Small inventions that changed the world. The zipper. 2d Read the passage quickly and answer the questions. 3. Why does Roy think it is a great invention 4. Who and when was the zipper invented 5. When did the zipper become popular Because it is often used in our daily lives. Whitcomb Judson in 1893. Around 1917. 2d Role-play the conversation. Paul: Hey Roy, the subject for my school project is “Small inventions that changed the world”. Can you help me think of an invention Roy: With pleasure! Let me think... hmm...I know! The zipper! Paul: The zipper Is it really such a great invention Roy: Think about how often it’s used in our daily lives. You can see zippers on dresses, trousers, shoes, bags ... almost everywhere! Paul: Well, you do seem to have a point… Roy: Of course! I thought about it because I saw a website last week. The pioneers of different inventions were listed there. For example, it mentioned that the zipper was invented by Whitcomb Judson in 1893. But at that time, it wasn't used widely. Paul: Really So when did it become popular Roy: Around 1917. 1. I think the TV was invented before the car. 我想电视是在汽车之前被发明的。 【解读】句中invent 作动词，意为“发明”，指发明以前从来未存在过的东西。was invented 是一般过去时的被动语态，结构为was/were + 及物动词的过去分词。 【举例】（1）Edison invented the light bulb in 1879. 爱迪生在1879年发明了电灯。 （2）The light bulb was invented by Edison in 1879. 电灯是在1879年被爱迪生发明的。 （3）Such books are written for children. 这类书是为儿童写的。 2. —Can you help me think of an invention —With p ... ...
