女性,26岁,CO中毒2小时入院。查体:深昏迷,呼吸规则,余(-)。最佳治疗是()
A.高浓度给氧
B.持续低流量给氧
C.应用纳洛酮
D.高压氧治疗
E.呼吸兴奋剂使用
参考答案:D
With a huge amount of food ________,all of the staff are busy preparing for the dinner tonight.
A.would serve
B.served
C.to serve
D.serving
道岔前后钢轨长度有何规定?