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问题 单项选择题

某架空送电线路采用单导线，导线的最大垂直荷载为25.5N/m，导线的最大使用张力为36900N，导线的自重荷载为14.81N/m，导线的最大风速时风荷载为12.57N/m。请回答下列问题。

若要求耐张串采用双联，请确定本工程采用下列哪种型号的绝缘子最合适？（）

A.XP-70

B.XP-100

C.XP-120

D.XP-160

答案

参考答案：A

单项选择题

真正使行政生态研究成为一门系统的行政学分支学科，并在学术界占有一席之地的是（）

A.高斯

B.雷格斯

C.西蒙

D.泰罗
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单项选择题

Management information systems form a bedrock ofIT use in the public sector. They are therefore found in all sections ofthe public sector and in all countries..Of course， different people use the term "management information system" differently: The term should therefore not form the basis for arguments about  （） an MIS is and is not. So long as one and those with whom one works understand and agree on a definition， that is good enough.Similarly， when dealing with written material， one needs to be able to（）and communicate， not get locked into doctrinal debate，

Many public service providers have developed management information systems to morutor and control the services that they provide. Both the US （） UK Social Security agencies have developed MIS to report on the welfare payments and services that they provide . The British public healthcare system has also been a major investor in MIS as it 1ries to control healthcare costs and simultaneously improve delivery standards .

Individual schools can also（）use ofMIS. Hobmoor Junior and Infant School， a public school in Birmingham， UK， introduced a computerised attendance system to produce MIS reports that monitor pupil attendance. This improved the Principal’s ability to understand and control absence patterns， resulting in a 2.5 per cent （） in attendance rates.

This improved the Principal’s ability to understand and control absence patterns， resulting in a 2.5 per cent （） in attendance rates.

A．pass

B．increase

C．decrease

D．rise
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