| 听材料，回答问题。 |
| 1. Who is Harry Potter? |
| A. He's a cartoon character. B. He's J. K. Rowling's son. C. He's created by J. K. Rowling. |
| 2. What did three children get while reading the Harry Potter books for long hours? |
| A. A headache. B. A cold. C. A toothache. |
| 3. How long did each patient spend reading the Harry Potter books a day? |
| A. Less than four hours. B. More than four hours. C. Four hours. |
| 4. When did the headache go away? |
| A. Before they began to read the books. B. While they were reading the books. C. After they finished reading the books. |