【简答题】Cost of documentation is fixed for almost any size of consignment.( )
【单选题】The opportunity cost of something you decide to get is
A.
all the possible alternatives that you give up to get it.
B.
the highest valued alternative you give up to get it.
C.
the value of the item minus the cost you paid for it.
D.
the amount of money you pay to get it.
【多选题】关于净现值的优缺点,下列说法正确的是()。
A.
NPV 计算较简便,考虑全面、科学,NPV计算结果稳定。
B.
对于寿命期不同的技术方案,不宜直接使用净现值指标评价。
C.
计算NPV指标需要预先给定折现率,这给项目决策带来了困难。
D.
用于投资额相差较大的多方案比较时,没有考虑投资效率。
【判断题】Any difference between the fair market values of the securities and their cost is a realized gain or loss.()
【单选题】如果分时系统的时间片一定,那么( ),则响应时间越长。
【单选题】The opportunity cost of any action is
A.
all the possible alternatives given up.
B.
the highest-valued alternative given up.
C.
the benefit from the action minus the cost of the action.
D.
the dollars the action cost.
【判断题】以260nm为激发光激发萘,得到的荧光波长为321nm,这是属于斯托克斯位移的特征。
【单选题】如果分时系统的时间片一定,那么(),则响应时间越长。