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听对话,选出问题的正确答案。 1. Which invention does the woman think is the most important? A. The alarm clock. B. The computer. C. The light bulb. 2. When was the telephone invented? A. In 1768. B. In 1876. C. In 1867. 3. Who's the woman? A. Tommy's sister. B. Tommy's teacher. C. Tommy's mother. 4. Where are they talking? A. In a bookshop. B. In a library. C. In a classroom. 5. What is the woman interested in? A. Inventions. B. Songs. C. Films.