【单选题】下列关于无线自组网,正确的是( )。
A.
无线自组网是一种自组织、非对称的无线移动网络
D.
Ad hoe网络中有固定的路由器,可通过这些路由器实现路由选择
【单选题】The FBI (Federal Bureau of Investigation) had found a new way to catch criminals by looking at their jeans. Scientists from the bureau reported at last weeks meeting of the American academy of Forensi...
A.
has been able to prove a suspect guilty
B.
will lead a suspect to the spot of a crime
C.
were at the scene with the suspect.
D.
caught the suspect on the spot
【单选题】30岁经产妇,妊娠26周以前经过正常,随后腹部迅速膨隆,出现腹部胀痛、呼吸困难和下肢水肿,于妊娠29周来院。查宫底在剑突下3横指,腹围100cm,胎位触不清,胎心听不清,隐约触到胎动。估计在分娩过程中不会发生的产科异常情况是()
【单选题】现代应用最广泛的反击式水轮机类型是( )水轮机
【单选题】野外测量工作的基准面是(),基准线是()。
【单选题】【 】水轮机的应用水头范围广【 】 、结构简单、运行稳定且效率高,是现代应用最广泛的一种水轮机。
【单选题】下列关于椎管内麻醉并发症的叙述中,不正确的是
D.
全脊髓麻醉可由硬膜外或骶管阻滞麻醉时穿刺损伤引起
E.
腰麻术后出现下肢瘫痪是并发粘连性蛛网膜炎的结果