问题
选择题
Do you know _____? [ ]
A. when the train leaves the station
B. when does the train leave the station
C. when will the train leave the station
答案
答案：A
搜题请搜索小程序“爱下问搜题”
Do you know _____? [ ]
A. when the train leaves the station
B. when does the train leave the station
C. when will the train leave the station
答案：A
cC(g)+dD(g)；ΔH=Q，在反应过程中，当其他条件不变时，某物质在混合物中的含量与温度(T)、压强(p)的关系如下图所示：
