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问题 单项选择题

( )是指以决策者的知识、经验和能力，在决策的各个阶段根据目前状况和历史资料，提出决策目标和决策方案。

A．风险性决策

B．经验决策

C．确定性决策

D．主观性决策

答案

参考答案：B

单项选择题

You are working on a software development project and there is 60% probability that development will be completed by the planned date and 70% probability that testing will be completed by the planned date．What is the probability that development and testing will be completed as per schedule ？（）

A．65%．

B．42%．

C．66%．

D．63%．
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选择题

中国将继续按照主动性、可控性、渐进性原则，稳步推进人民币汇率形成机制改革。如果人民币对美元升值1％，意味着

①人民币汇率上涨                      ②美元对人民币外汇汇率上涨

③有利于适当扩大我国商品出口          ④有利于适当扩大我国的进口

A．①③

B．②③

C．①④

D．②④
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