I'm Chen Jie. I don't go to school on the weekend. I often do my homework on Saturday morning. I play computer games on Saturday afternoon. On Sunday morning, I often read books and watch TV. In the afternoon, I help my mother do housework.
对于一个民主国家来说,采取什么样的国家结构形式来处理国内民族问题,关乎国家长治久安和各民族前途命运。在我国,党和国家解决民族问题的基本主张是( )
完成一个动作时,运动系统的____ 起着动力的作用,牵引着骨绕着____ 运动。