【单选题】患者男性,因敌百虫中毒急送医院,护士为其洗胃。禁用的洗胃溶液是
【单选题】关于炭黑的命名说法错误的是
A.
由四个符号组成,第一个符号代表炭黑对硫化速率的影响。比如“N”代表正常硫化速度。
B.
第二个符号是阿拉伯数字,代表炭黑平均粒径范围。
D.
N100系列是指正常硫化速度的,粒径在11-19nm范围内的炭黑,典型品种如高耐磨炭黑。
【单选题】患者男性,因敌百虫中毒急送医院,护士为其洗胃。禁用的洗胃液是
【判断题】A monopsonist's market power enables him to hire labor at a marginal cost that is lower than the wage rate.
【判断题】For a monopsonist, the more elastic the supply of labor, the greater the difference between the marginal cost of labor and the wage rate.
【单选题】患者男性,因敌百虫中毒急送医院,护士为其洗胃。禁用的洗胃溶液是
【单选题】患者男性,因敌百虫中毒急送医院,护士为其洗胃。禁用的洗胃溶液是
【单选题】患者男性,因敌百虫中毒急送医院,护士为其洗胃禁用的洗胃溶液
【单选题】汽油机功率调节是通过改变节气门开度来实现的,这种调节方式叫做()
【单选题】A monopsonist faces an upward-sloping labor supply curve. This means that his marginal expenditures on labor are
A.
greater than the wage.
B.
equal to the wage plus the increase in the wage resulting from hiring one more unit of labor hired.
C.
greater than the wage because hiring more workers requires to pay all workers more.