单项选择题

工资总额的项目不包括______。 A．计件工资 B．发明创造奖 C．津贴补贴 D．加班加点工资

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从内容和重点上我们可以把质量管理标准划分成两种类型

答案：正确答案：认证标准准和评估标

多项选择题

Water pollution occurs when something enters water that changes the natural ecosystem or interferes with water use by segments of society. In general, water pollutants can be divided into several broad categories. They are __________. （）

A．toxic chemicals
B．dissolved organic matters
C．disease-causing organisms
D．nutrients
E．floating dust
E．physical particles