1. (2023高一下·青龙开学考) 听录音，回答问题。

1. （1） Why can classical music help problem-solving?

   A . It excites nerve activity in students' brain. B . It keeps students calm. C . It strengthens students' memory.
3. （2） By how many points did the students improve?

   A . 18 to 19 points. B . 10 to 15 points. C . 8 to 9 points.
5. （3） What do the results of the study show?

   A . The positive effects of listening to music do not last long. B . Less complex music does better. C . The rock music has the same effect.
7. （4） What is the talk mainly about?

   A . Why classical music is popular with math students. B . The effects of music on the results of math tests. C . How to improve your reasoning ability.