【单选题】混凝土若已发生离析,必须在浇筑前按保持()不变原则进行二次搅拌。
【单选题】The amount of value a firm creates is measured by the(). 一个公司创造的价值是由( )指标来衡量的。
A.
economies of scale they are able to achieve.能够实现规模经济。
B.
difference between its costs of production and the value that consumers perceive in its products.其生产成本与消费者对其产品的感知价值之间的差异。
C.
profitability the firm achieves.公司实现盈利。
D.
difference between its costs of production and the price that it charges for its products.生产成本与产品价格之间的差额。
【判断题】The amount of value a firm creates is measured by the difference between its costs of production and the price that it charges for its products.
【单选题】下列关于血液基本功能的叙述,错误的是( )。
【单选题】The amount of value a firm creates is measured by the:
A.
economies of scale they are able to achieve.
B.
difference between its costs of production and the value that consumers perceive in its products.
C.
profitability the firm achieves.
D.
difference between its costs of production and the price that it charges for its products.
【简答题】混凝土若已发生离析,必须在浇筑前按保持___________不变原则进行二次搅拌。
【判断题】面对对方的高报价,我们要临时调整自己的价格计划。