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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. 1c When was the car invented? It was invented in 1885. When was the TV invented? It was invented in 1927. When was the computer invented? It was invented in 1971. Listen and number the inventions[1-3] in the order you hear them. 3 1 2 ___ shoes with special heels ___ shoes with lights ___ hot ice-cream scoop runs on electricity 2a 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. changing serving in the dark 2b Make conversations using the information in 2b. What are the shoes with lights used for? They’re used for seeing in the dark. 2c What are hot ice-cream scoop used for? They’re used for serving for really cold ice-cream. What are shoes with special heels used for? They’re used for changing the style of the shoes. Role-play the conversation. 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 3. Why does Roy think it is a great inven- tion? 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. 1. Well, you do seem to have a point… have a point 有道理 e.g. I admit (that) you have a point. 我承认你有理。 Language Points 2. They are used for seeing in the dark. 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。 e.g. This computer is used to control all the machines. 这台电脑是用来控制所有机 器的。 Do you know what this tool is used for?
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