聽下面一段材料,回答第1至4題.
1. What was Miss Richards?
A. A PE teacher.
B. A music teacher.
C. A science teacher.
2. What question did Miss Richards ask her students?
A. What was water?
B. What colour was water?
C. Where did you wash your hands?
3. How did Miss Richards feel before Dick answered her question?
A. Disappointed and unhappy.
B. Angry and annoyed.
C. Excited.
4. What can we learn from the passage?
A. Dick was a top student in class.
B. The students were active in class.
C. Miss Richards was rather patient.