A:该反应的焓变为正值
B:恒温恒容下,增大压强,H2浓度一定减小
C:升高温度,逆反应速率减小
D:该反应化学方程式为CO+H2OCO2+H2
一名射击运动员在某次训练中连续打靶8次,命中的环数分别是7,8,9,9,10,10,8,8,这组数据的众数与中位数分别为( )
A:You've tried on two skirts.
B:Sorry for taking up too much time of yours. But ______ of them looks nice on me.