确诊为腹膜后血肿之后,在治疗上最须注意的并发症是
A.失血性休克的防治
B.肠麻痹的处理
C.失水、酸中毒的纠正
D.感染的防治
E.电解质紊乱的纠正
参考答案:D
真空中有两个相距0.1m、带电量相等的点电荷,它们间的静电力的大小为9×10-3N,求每个点电荷所带电荷量是元电荷的多少倍?
_______is often the case with elder people, my grandma talked about my new hairstyle for at least
30 minutes. [ ]
A. What
B. Which
C. As
D. It