()作为决定信息作战成败的关键因素,已被称为继陆、海、空、天、电磁之后的第六战场。
参考答案:网络战场
— ?
— I have a bad cold. [ ]
A. Where are you going
B. What’s the matter
C. How often do you exercise
D. What do you do
一定温度下,反应H2(g) + X2(g) 2 HX(g)的平衡常数为64,将2 mol H2和2 mol X2通入体积为1L的密闭容器中,该温度下H2的平衡转化率为
A.20﹪
B.40﹪
C. 60﹪
D.80﹪