听下面一段材料,回答第1-3题。 1. What did Chico Rivera do immediately after his graduation from high school? A. He went to a university in Puerto Rico. B. He attended a professional baseball school in Puerto Rico. C. He joined a professional baseball team in Puerto Rico. 2. Where does Chico usually spend the summer? A. In Pittsburgh. B. In Florida. C. In Puerto Rico. 3. What is this passage mainly about? A. Baseball in America. B. The Pittsburgh team. C. Chico Rivera, a baseball player.