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【单选题】
关于原核生物的 RNA 合成,下列说法错误的是( )
A.
合成的 RNA 链与模板链是反向平行的
B.
RNA 链合成的准确起始需要 ρ 因子
C.
RNA 链合成时，第一个核苷酸常为嘌呤核苷酸
D.
RNA 链合成时， DNA 结构暂时发生变化
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【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
A.
2%~4%碳酸氢钠溶液
B.
1:15000~1:20000高锰酸钾溶液
C.
5%醋酸
D.
温开水或生理盐水
E.
蛋清水
查看完整题目与答案
【判断题】A monopsonist's market power enables him to hire labor at a marginal cost that is lower than the wage rate.
A.
正确
B.
错误
查看完整题目与答案
【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.
A.
正确
B.
错误
查看完整题目与答案
【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
A.
清水
B.
生理盐水
C.
碳酸氢钠
D.
温开水
E.
牛奶
查看完整题目与答案
【判断题】For a monopsonist, the supply curve of a factor of production is less steep than the marginal cost curve.
A.
正确
B.
错误
查看完整题目与答案
【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()
A.
量调节
B.
浓度调节
C.
压质调节
D.
质、量调节组合
查看完整题目与答案
【判断题】firm in a competitive factor market is a price taker. A monopsonist is a price maker.
A.
正确
B.
错误
查看完整题目与答案
【单选题】For a monopsonist, the labor supply curve is upward sloping because
A.
the monopsonist must compete with other industries for that labor.
B.
the monopsonist requires that the laborers are highly skilled.
C.
the monopsonist is the only buyer in that labor market.
D.
the monopsonist restricts the supply of labor.
查看完整题目与答案
【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.
D.
All of the above.
查看完整题目与答案
【单选题】If a monopsonist pays the wage rate w; then the amount of labor that he can hire is L(w) = Aw, where A is a positive constant. The marginal cost of labor to the monopsonist is:
A.
equal to the wage rate.
B.
twice the wage rate.
C.
half the wage rate.
D.
greater than the wage rate but less than twice as great.
查看完整题目与答案
相关题目：
【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
A.
2%~4%碳酸氢钠溶液
B.
1:15000~1:20000高锰酸钾溶液
C.
5%醋酸
D.
温开水或生理盐水
E.
蛋清水
查看完整题目与答案
【判断题】A monopsonist's market power enables him to hire labor at a marginal cost that is lower than the wage rate.
A.
正确
B.
错误
查看完整题目与答案
【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.
A.
正确
B.
错误
查看完整题目与答案
【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
A.
清水
B.
生理盐水
C.
碳酸氢钠
D.
温开水
E.
牛奶
查看完整题目与答案
【判断题】For a monopsonist, the supply curve of a factor of production is less steep than the marginal cost curve.
A.
正确
B.
错误
查看完整题目与答案
【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()
A.
量调节
B.
浓度调节
C.
压质调节
D.
质、量调节组合
查看完整题目与答案
【判断题】firm in a competitive factor market is a price taker. A monopsonist is a price maker.
A.
正确
B.
错误
查看完整题目与答案
【单选题】For a monopsonist, the labor supply curve is upward sloping because
A.
the monopsonist must compete with other industries for that labor.
B.
the monopsonist requires that the laborers are highly skilled.
C.
the monopsonist is the only buyer in that labor market.
D.
the monopsonist restricts the supply of labor.
查看完整题目与答案
【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.
D.
All of the above.
查看完整题目与答案
【单选题】If a monopsonist pays the wage rate w; then the amount of labor that he can hire is L(w) = Aw, where A is a positive constant. The marginal cost of labor to the monopsonist is:
A.
equal to the wage rate.
B.
twice the wage rate.
C.
half the wage rate.
D.
greater than the wage rate but less than twice as great.
查看完整题目与答案