为了急救和迅速降低由于脑室扩大引起的颅内压增高，通常穿刺右侧脑室额角，排放脑脊液后颅内压下降。()
参考答案：对
— Has the doctor arrived yet?
— No, she _____ an hour ago. [ ]
A. has to come
B. ought to have come
C. should come
D. used to come
属于制定抢险救援预案的主要内容的是（）。
A、灾情设定
B、火场供水
C、力量部署
D、处置对策
E、勤务保障
