臭氧层最主要的作用是( )A．吸收由太阳辐射到地球的紫外线 B．吸收由太阳辐射到地

敬爱的周恩来 * * 作为一代伟人和鞠躬尽瘁的楷模，他的事迹至今还影响着我们。据新浪网调查，认可周 * * 的网民高达98．7%。下列事件与他有关的是

①参加中 * * 党一大  ②担任黄埔军校的政治部主任    ③领导南昌起义

④和平解决西安事变    ⑤参加抗日战争                ⑥重庆谈判

A．①②③④⑤⑥

B．①②③④⑤

C．②③④⑤

D．②③④⑤⑥

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.

Individual schools can also（）use ofMIS.

A．make

B．get

C．take

D．go

离心通风机叶片按性能分有（）、径向叶片型、前弯叶片型。

根据《财税库银税收收入电子缴库横向联网管理暂行办法》，税收收入电子缴库业务自缴入库方式以纸质缴款书为依据，电子缴款书为辅进行比对核销办理税款缴库相关业务。

学校应经常组织人员对各部位和学生学习、活动等场所进行全面检查，做到“五查五到位”，即查认识、查责任、查隐患、查措施、查落实，确保思想认识到位、组织保证到位、预防措施到位、整改落实到位、责任追究到位。（）