【单选题】不承受冲击载荷,传动功率较小,也没有特殊要求的齿轮,常用的材料是( )钢
【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?
【多选题】下列说法正确的是( )
A.
在固定利率下,当市场利率发生较大波动时会给债务人带来利率风险
B.
浮动利率是指利息率由借贷双方共同商定,随市场利率的变化而作定期调整的利率
C.
浮动利率一般在期限较长或市场利率波动幅度较大时采用,用以规避利率风险
D.
固定利率是利息率不随着借贷货币资金的供求状况而波动,在整个借款期间固定不变
【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静脉断流术。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 watchman had seen the raid.
C.
The bank teller proved that Joe was the robber.
D.
Some monitors had been installed nearby.
【多选题】某县化工厂排放污染物,致当地一养鱼专业户王某的鱼大部分死亡,县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可以做的?( )