【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】在滴定分析法测定中出现的下列情况,()属于系统误差.
【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...
【单选题】Joe had many regrets when he ____ the years he spent abroad.
【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。
【简答题】石英晶体振荡电路如图所示: 1.说明石英晶体在电路中的作用是什么? 2.R b1 、R b2 、C b 的作用是什么? 3.电路的振荡频率f 0 如何确定?
【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?()