什么是煤(岩)与瓦斯突出?
参考答案:
煤(岩)与瓦斯突出:在地应力和瓦斯的共同作用下,破碎的煤、岩和瓦斯由煤体岩体内突然向采掘空间抛出的异常的动力现象。
句型转换。
1. The villagers built this bridge last year.(改为被动语态)
This bridge_____the villagers last year.
2. What delicious food!(用how改写)
_____ _____the food !
3. The boy is so young that he can't take care of himself.(改为同义句)
The boy is_____care of himself.
4. I was invited to the party by my friend today.(对画线部分提问)
_____Were_____invited to the party_____today?
5. This is a very important meeting.(改为感叹句)
_____ _____a meeting it is !
患者女性,37岁,因自服甲胺磷300ml后昏迷2小时入院,诊断为急性重度有机磷杀虫药中毒,经抢救治疗后第3天病情稳定,神志清楚。
患者经治疗后6天,病情好转,但在第7天突发死亡,考虑为迟发性猝死,其原因最可能是()
A.反跳
B.毒物对心脏的迟发性毒作用
C.解毒药物的副作用
D.肺栓塞
E.中间期肌无力综合征呼吸肌无力