【单选题】从决定竞技能力的主导因素看,下列运动项目属于体能主导类速度性项群的是( )。
【单选题】从竞技能力的主导因素看,下列运动项目属于体能主导类速度性项群的是
【单选题】It will generally be found, I think, that _______ a man really appreciates and admires the soul of another people_______ he will attempt to imitate it; he will be conscious that there is something in ...
【判断题】电离辐射能引起细胞化学平衡改变,某些改变会引起癌变。