《煤矿安全规程》规定每年雨季前，对全部工作水泵和备用水泵进行一次什么试验？
参考答案：
联合排水试验
物资采购是企业与市场的信息接口。
All of the following statements about the Victorian period is true EXCEPT（）
A. England was the "workshop of the world"
B. The early years was a time of rapid economic development as well as serious social problems
C. Towards the mid-century, England had reached its highest point of development as a world power
D. Capitalism came into its monopoly stage, the gap between the rich and the poor was further deepened
