题目内容

简述技能工资制的优缺点。

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The tipping fees vary from______per ton. These fees are used to pay for operation costs.

Customers are typically______, although residents may also use the landfill.

动机的产生必须具备两个条件:_______和_______。

论述题
本大题15分。
论述如何培养班集体。

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