单选题 Two people may be working side by side in a factory and doing the same work, but one may be doing it twice as fast as the __22__; or one may be making no mistakes, while the other is making a lot. In some kinds of work, one can solve the problem of speed if one pays by the amount of work to be done and not by the hour: work paid for in this ____ is called piece-work. But it is not always possible to do this, so it is sometimes useful to pay workers at different rates, which take differences in skill into __24__. This usually means that the younger and therefore less experienced worker gets less than the __25__ and more experienced one, which seems reasonable enough.
2020-07-05
共155道
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