听下面一段材料，回答第1-4题。 1. How old is the speaker? A. Five. B. Seventeen. C. Twenty two. 2. Why has the speaker long been looked down upon? A. He’s hearing-disabled. B. He can’t get on well with his classmates. C. Something is wrong with his brain. 3. What does the speaker want to prove? A. He’s a non-disabled person. B. He’s better at studies than any other student. C. He’s no different from the average teenager. 4. What makes him a strong person? A. His hard training in studies and sports. B. His physical limitation and his courage. C. His family and school background.