单项选择题 短时间剧烈运动后，血糖浓度变化的趋势是( )。 A．上升 B．先不变后上升 C．下降 D．无明显变化

未知题型 听力原文：M: I could hardly solve this complicated mathematics problem.W: You could if you had not gone to so many parties!Q: What does the woman mean?(14)A．She doesn't think the man could finish it.B．She doesn't think the man worked hard enough.C．She doesn't think it is the man's fault.D．She doesn't like the idea of going to parties.

单项选择题 有氧代谢能力训练与糖代谢的适应性变化，主要体现在( )。 A．改善糖有氧代谢能力方面 B．提高糖无氧酵解能力方面 C．提高戊糖磷酸代谢途径方面 D．提高磷酸原系统供能能力方面