( ) Nowadays, a migrant worker can guarantee their livings through manual labor.
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举一反三
- 中国大学MOOC: A blue collar worker is a member of the working class; performs manual labor; and most importantly __________.
- As for the migrant worker, Shen Jie, ().
- Unskilled office worker and skilled well-paid manual worker belong to upper middle class.
- A firm will hire a worker whenever that worker's marginal product of labor is:() A: greater<br/>than the marginal product of labor for the next best worker. B: less<br/>than the marginal product of labor for the next best worker. C: greater<br/>than the worker's wage. D: less<br/>than the worker's wage.
- A manual transmission is connected to the engine through the .
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Ford tried dividing the labor ， each worker _________ a separate task ．
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. Those who do ______ labor should be regarded the same as those who do mental labor.
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Marginal product of labor is the increase in the amount of output from an additional unit of labor. A: right. B: wrong.
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Nowadays when do people in U.S. and Canada celebrate their Labor Day?
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The biggest advantage of this robot is that______. A: it will be faster and cheaper than manual labor B: it can climb mountainsides, drill holes, insert bars and cement C: it can collect data on the slope's stability D: it can drill without a human being on board