根据规定,进行明火作业的技术条件之一是空气中含氧量达到()%以上。
A.1
B.5
C.8
D.19.5
参考答案:D
男性,21岁。在施工中不慎坠楼,腰剧痛,双下肢感觉运动障碍,大小便失禁。
临床救治的先后顺序是()
A.抗休克,修复 * * 、直肠修补,乙状结肠造瘘,处理骨折
B.修复 * * ,乙状结肠造瘘,处理骨折,抗休克
C.抗休克,处理骨折,修复 * * 、直肠损伤
D.处理骨折,抗休克,修复 * * 、直肠损伤
E.处理骨折,修复 * * 、直肠修补,乙状结肠造瘘
- _______ do you go back to your hometown to visit your grandparents?
- Twice a year: Usually at Mid-Autumn festival and during the Chinese New Year.
A.How long
B.How often
C.How much
D.How many