【单选题】The production function feature called constant returns to scale means that if we:
A.
multiply capital by z1 and labor by z2 , we multiply output by z3
B.
increase capital and labor by 10 percent each, we increase output by 10 percent.
C.
increase capital and labor by 5 percent each, we increase output by 10 percent.
D.
increase capital by 10 percent and increase labor by 5 percent, we increase output by 7.5 percent
【单选题】An asset characterized by cash flows that increase at a constant rate forever is called a:
【判断题】The practice of maintaining relatively constant dividends is called dividend smoothing.
【单选题】患者男,73岁。高血压病史35年,患者有糖尿病病史10余年,有长期吸烟史,于家中如厕时突感头晕,随即倒地而送入院。体检:患者意识不清,瞳孔缩小,双眼凝视一侧,右侧肢体偏瘫,血压为180/105mmHg,呼吸26次/分,心率106次/分,初步诊断为脑出血。在治疗患者的过程中,首要的措施是()
【判断题】If the loading of the material is not constant but instead fluctuates, it is called static loading.
【单选题】患者女,58岁。既往有高血压史12年。本次因用力大便突发头痛、偏瘫4小时,伴呕吐2次。查体:血压185/100mmHg,左侧上、下肢肌力0级,肌张力低下,左侧偏身感觉减退。在治疗患者的过程中首要的措施是
【单选题】在一个由NPN型晶体管构成的放大电路中,关于晶体管三个电极的电位,下列说法正确的是( )。