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【单选题】
单绕组三速异步电动机在不同转速运转时功率不同,因此应该配备()个不同电流的热继电器进行过载保护。A.
1
B.
2
C.
3
D.
4
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【简答题】“捆绑销售”是()网站一个普遍的行业现象,其背后是行业规则改变下,票务代理的获利空间被压缩的现实
【简答题】Windows中欲选定当前文件夹中的全部文件和文件夹对象,可使用的组合键是“ _____ +A” 。
【单选题】Let us assume, for the moment, that labor is not prepared to work for a lower money-wage and that a reduction in the existing level of money-wages would lead, through strikes or otherwise, to a withdr...
A.
a fall in the value of the existing money-wage would lead to a withdrawal of labor
B.
a rise in the price of wage-goods would lead to a withdrawal of labor
C.
the demand of labor is for a rise of existing money-wage
D.
the demand of labor is for reduction in the value of real wages
【单选题】If the price level rises by 3 percent and workers' money wage rates increase by 2 percent, then the
A.
quantity of labor demanded will decrease.
B.
quantity of labor demanded will increase.
C.
quantity of labor demanded does not change because there is no change in the real wage rate.
D.
real wage rate increases.
【简答题】下列哪些说法是错误的?（ ）
【单选题】Let us assume, for the moment, that labor is not prepared to work for a lower money-wage and that a reduction in the existing level of money-wages would lead, through strikes or otherwise, to a withdr...
A.
a fall in the value of the existing money-wage would lead to a withdrawal of labor
B.
a rise in the price of wage-goods would lead to a withdrawal of labor
C.
the demand of labor is for a rise of existing money-wage
D.
the demand of labor is for reduction in the value of real wages
【单选题】If labor supply is increasing in the real wage, then
A.
the substitution effect is larger than the income effect.
B.
the income effect is larger than the substitution effect.
C.
the production function is increasing in labor.
D.
the marginal product of labor is decreasing.
【单选题】Labor demand is decreasing in the wage because
A.
the substitution effect is larger than the income effect.
B.
the income effect is larger than the substitution effect.
C.
the production function is concave.
D.
the marginal product of labor is increasing in labor.
【简答题】( )1we have a picnic. A.is going to B .are going to C.are going ( ) 2.He is going to basketball. A.play B playing C.plays ( ) 3.They going to go to school. A is B. are C. am ( )4.Iamgoingto . ...
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