第23题: [多项选择]采掘工作面造成瓦斯积聚的原因包括() A. 通风管理不善 B. 通风设施质量差 C. 瓦斯异常涌出 D. 局部通风机停止运转 参考答案:A, B, C, D
第24题:[单选题]. Which of the following is NOT TRUE? A. Saturn is also the name of planet. B. The Roman people used to believe Saturn to be their god. C. Saturn was named for the last day of the week. D. Saturn had three meanings. 参考答案:C