题型:问答题 简答题 下列现象不能用平衡移动原理解释的是( )A.合成氨工作中采用较高的压强B.硫酸工业生产中,O2与SO2物质的量的比值大于1﹕2C.将盛有NO2与N2O4混合气体的玻璃球放入热水中,气体颜色加深D.高温下食品易变质 查看答案
题型:问答题 简答题 —Can you tell me_____? —Sure. Two years ago. [ ]A. when did they build the new teaching building B. when they build the new teaching building C. when they built the new teaching building D. when they are building the new teaching building 查看答案