Operation research is a scientific method of providing executive department with

游客2025-03-20 39

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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Operation research is a scientific method of providing executive department with

Thenewmethodforrefiningmetalswas______thattheybecamepracticalformany

Nowscientistscannotrealize______soonthatexistingscientificknowledgeisn

Electroniccomputers______,thecomplicatedmathematicaloperations,suchaswea

Thedeanofourdepartmentaskedthatallthestudents______atthereceptionthi

Classmethods____thefeelingthatstudentshavelittlecontroloverorrespons

Researchers______thatgenesmaydeterminethestrengthoftheimmunesystem,whi

Manymuseumsnowprovideeducationalservicesandchildren’sdepartments.______

Ourresearchhasfocusedonadrugwhichisso______astobeabletochangebrai

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Artificialflowersareusedforscientificaswellasfordecorativepurpose

Whilelongwalksaregreat,campingforseveraldaysisabetter,more【C1】__

Four【C1】______badhabits【C2】______smoking,drinkingtoomuch,【C3】______andp

Medicalexpertsbelievethatthehigh______ofheartdiseaseandhighbloodpres

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Four【C1】badhabits【C2】smoking,drinkingtoomuch,【C3】__andp