Operation research is a scientific method of providing executive department with a quantitative basis for decisions______the ope

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问题 Operation research is a scientific method of providing executive department with a quantitative basis for decisions______the operations under their control.

选项 A、regarding
B、as to
C、on
D、considering

答案A

解析 regarding"关于"。as to"关于,至于",用在此处不合适;decision on"对……作出的决定",不合句意;considering"考虑到,鉴于"。题句意:运筹学是一种科学方法,它为执行部门对其掌管下的各种活动作决定时提供数量根据。
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