结核性脑膜炎早期()
A.情绪改变,嗜睡,呕吐
B.颅神经损伤
C.脑膜刺激征:项强(+),克氏征(+)
D.惊厥,昏迷
E.右侧肢体偏瘫
参考答案:A
Which characteristic of Halon is a disadvantage when it is used as a fire extinguishing medium?()
A.Leaves a residue
B.Cost,relative to other agents
C.Breaks down while under prolonged storage
D.Conducts electricity
SNM