[单项选择]以下石油、化工生产过程中对装置停车后的安全处理,不正确的是( )。 A. 对易燃、有毒气体的置换,不可采用注水排气法将易燃、有毒气体排出 B. 吹扫结束时应先关闭物料闸再停气,以防管路系统介质倒流 C. 生产部门与检修部门应严格办理安全检修交接手续,符合安全检修交接条件后,双方负责人在安全交接书上签字认可 D. 检修设备必须进行可靠隔绝,最安全可靠的隔绝办法是拆除部分管线或插入盲板
A. He asserted that it was a political concepts as well as a biological and economic concept. B. He believed that men were born with equal rights. C. Equality is a gift of Nature. D. Both B andC. 参考答案:D 答案解析:第七段Intertwined with equality was the concept of freedom,also viewed by Jefferson as "a natural right