人教新课标版高二选修8Unit3InventorsandinventionsReading2.ppt

Lead-in Telephones become part of our life. But do you know who invented the telephone? Pre-reading Discuss the following questions in groups: 1. What do you know about the inventor? 2. How useful is his invention to human society? Why? Scanning Read the passage quickly and find out the main idea of it. Listening Listen to the tape and try to answer the questions on Page 26. 1. How did curiosity make Alexander Graham Bell into a great inventor? 2. What did he think was the key to his success as an inventor? 3. What inventions did Bell make by chance? 4. Why will he always be known as the inventor of the telephone? 1. How did curiosity make Alexander Graham Bell into a great inventor? 2. What did he think was the key to his success as an inventor? He believed that his curiosity was the key to his success. 3. What inventions did Bell make by chance? Bell invented the telephone and the tetrahedron shape by chance. Both of these are extremely useful and still used today. 4. Why will he always be known as the inventor of the telephone? He will always be known as the inventor of the telephone because it was a very popular invention and the patent made the most money ever. 3. Bell never set out to invent the telephone and what he was trying to design was a multiple telegraph. 贝尔从未打算发明电话而是试图设计一 种复式电报。 3. They ____ the mountain at noon. A. set off to B. set out to C. set out for D. set off in current (1) n. 气流; 水流, 洋流; 电流 The current is strongest in the middle of the river． 河中央的水流最急。 This button switches the current on． 这个电钮接通电流。 (2) adj. 时下的, 当今的, 流行的, 通用的 Most of the old are interested in current events． 大部分老年人都对时事感兴趣。 They are expecting profits of over $2 million in the current year． 他们期望今年的利润超过二百万美元。 The word is no longer in current use. 这个词已不再使用。 Listeni