2012 听第10段材料,回答第17至20题。 17. Where does Thomas Manning work? A. In the Guinness Company. B. At a radio station. C. In a museum. 18. Where did the idea of a book of records come from? A. A bird-shooting trip. B. A visit to Europe. C. A television talk show. 19. When did Sir Hugh's first book of records A. In 1875. B. In 1950. C. In 1955. 20. What are the two speakers going to talk about next? A. More records of unusual facts. B. The founder of the company. C. The oldest person in the world