抢救一氧化碳中毒的首要措施是
A．转移到空气新鲜处
B．吸氧
C．保持呼吸道通畅
D．解松衣服
E．取平卧位
参考答案：A
____ for its well-preserved ancient Tibetan houses, Dukezong was one of the most popular resorts in Shangri-la.
A．Knowing
B．To know
C．To be known
D．Known
静态继电保护装置与外部设备相连，应有一定的屏蔽措施
