项目财务评价中所说的评价期包括( )。 A．项目建设期、项目投

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问题单项选择题

项目财务评价中所说的评价期包括( )。

A．项目建设期、项目投产期
B．项目计划期、项目生产期
C．项目计划期、项目投产期
D．项目建设期、项目生产期

答案

参考答案：D

解答题

已知A={2，3}，B={x|x²+ax+b=0}，A∩B={2}，A∪B=A，求a+b的值．

选择题

The salesman showed her several MP3s and she chose ________ one as she didn't want to spend too much money on it.

A．the less expensive

B．less expensive

C．the least expensive

D．least expensive