单项选择题 ( )不是糖酵解的限速酶。 A．己糖激酶 B．甘油酸磷酸激酶 C．果糖磷酸激酶 D．丙酮酸激酶

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.