【单选题】病人男性,55岁,肝硬化病史10年,因反复发生上消化道出血而行门奇断流术。术后病人烦躁,幻视,进而昏迷。该病人意识出现障碍最可能的原因是
【单选题】How were the police able to prove that Joe had robbed the bank?
A.
The raid had been photographed by hidden cameras.
B.
Some watchmen had seen the raid.
C.
The bank teller proved that Joe was the robber.
D.
Some monitors had been installed nearby.
【简答题】在图 E.3 所示多谐振荡器中,如果 U DD = 9 V , R 1 = 10 k W , R 2 = 2 k W , C = 470 pF 。试求电路的振荡周期,振荡频率和方波的占空比;如果不改变振荡频率,而要改变脉冲宽度,应该怎么办?
【简答题】How were the police able to prove that Joe had robbed the bank? [A] The raid had been photographed by hidden cameras. [B] Some watchmen had seen the raid, [C] The bank teller proved that Joe was the r...
【判断题】在分光光度法中,测定所用的参比溶液总是采用不含被测物质及显色剂的空白溶液。
【单选题】某市化工厂排放污染物,致当地一养鱼专业户王某的鱼大部分死亡。某市环保局对化工厂作出行政处罚,王某要求化工厂赔偿损失。环保局在处理王某与化工厂赔偿责任纠纷时,作出了调解,但化工厂不服。下列哪些选项是化工厂无权行使的?()