应用超声羊水指数诊断羊水过少的标准是()
A.3cm
B.5cm
C.8cm
D.10cm
E.12cm
参考答案:C
Which of the following statements about the payback period is FALSE()
A. The payback period provides a rough measure of a project’ s liquidity and risk.
B. The payback period is the number of years it takes to recover the original cost of the investment.
C. The payback method considers all cash flows throughout the entire life of a project.
由于市场营销费用只能在一定范围内,市场预测是相对条件下预测的最大市场需求。 ( )