皮皮学，免费搜题
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搜题
【单选题】
下列有关运筹学的不足之外的几种描述中不正确的是（ ）。A.
运筹学 可能过分地简化问题，使得出的解没有太大的价值
B.
决策 人员对运筹学的方法缺乏理解，可能不愿接受运筹学推出的最优方法
C.
对于 一些必须一次性予以解决的问题，运筹学可能花费较多的时间成本
D.
对复杂的运筹学问题，不能通过计算机求解
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】Police and firefighters across the country were suddenly elevated in esteem .
A.
Police and firefighters all over the country were suddenly more confident about themselves after September 11.
B.
Police and firefighters were suddenly aware of the importance of their own jobs after September 11.
C.
September 11 enhanced the self-image of police and firefighters across the country.
D.
After September 11 , police and firefighters all over the country gained more respect from the public .
【简答题】The present sales network that has spread across the country is mainly run by ______.
【单选题】As the clock ________ midnight, cinemas across the country screened the film, _________ China one of the first countries in the world to show it.
A.
knocked; making
B.
hit; made
C.
beat; which made
D.
struck; making
【单选题】The radio trumpeted the presidential ______ across the country.
A.
champion
B.
champagne
C.
campaign
D.
chamber
【单选题】In China, tobacco manufacturers are ( ) across the country and are highly regional. 在中国，烟草制造商分散遍布全国并且有明显的地域性。
A.
scattering
B.
shatter
C.
scattered
D.
scatty
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