近年来，由于青少年沉迷于网络游戏而引发的各种问题越来越引起了社会各界的关注。对此，文化部发布《网络游戏管理暂行办法》，规范网络游戏运行的环境，加强对未成年人的保护。
阅读材料，回答问题

作发我国重要的民族精神之一，它产生于我国社会主义道路探索时期，是对中华传统美德的继承和升华，也是对我党我军优良传统的继承和发扬。时至今日，它已经跨越了时空、跨越了国界，被世界几十个国家的人们所接受，它是（    ）

下列说法错误的是（　　）

B

    I'm Sara. I'm a middle school student. At school, we have nine subjects — math, English, Chinese, science, geography, history, art, P.E. and music. My mother is a Chinese teacher and she says Chinese is beautiful and important (重要的). I like Chinese. I always read Chinese books before I go to bed. I also like history. It is my favorite subject. Mr. Brown is great fun. In his history class, I can learn many interesting stories.

    Mr. Green is my math teacher. He says math is useful and interesting, but I think it is boring. My science teacher, Mrs. Smith, is nice. I listen to (听) her carefully (认真的) in class. But I can't do well in the science exam(考试). I don't know why. This subject is really difficult for me.

    We always have art, P.E. or music in the afternoon. For me, the classes in the afternoon are fun and relaxing. In P.E. class, I like to play ping-pong with my P.E. teacher Mrs Miller plays very well.

根据材料内容简要回答下列问题