我国的EDI发展有哪些问题（）

伴随着我国经济进入工业化、城市化高速发展的阶段，雾霾现象大量出现在我国广大城市及其周边地区，被认为是中国社会经济可持续发展的面临的重大现实问题之一。()

选项格式A.With the rapid development of industrialization and urbanization of China's economy, haze appears in a large number of cities and their surrounding areas, which is considered to be one of the major realistic problems facing the sustainable development of China's social economy.

B.Along with the stage of China's economy entering the rapid development of industrialization and urbanization, the smog phenomenon has appeared in many cities in China and its surrounding areas, and is considered to be one of the major practical problems facing the sustainable development of China's social economy.

C.As China has seen rapid industrialization and urbanization, smog prevails in a large number of Chinese cities and their surrounding areas, and is considered one of the major problems threatening China’s social and economic sustainability.

D.With China's economy entering the stage of rapid industrialization and urbanization, smog phenomenon appears in a large number of cities and their surrounding areas in ChinA.With the rapid development of industrialization and urbanization of China's economy, haze appears in a large number of cities and their surrounding areas, which is considered to be one of the major realistic problems facing the sustainable development of China's social economy.

B.Along with the stage of China's economy entering the rapid development of industrialization and urbanization, the smog phenomenon has appeared in many cities in China and its surrounding areas, and is considered to be one of the major practical problems facing the sustainable development of China's social economy.

C.As China has seen rapid industrialization and urbanization, smog prevails in a large number of Chinese cities and their surrounding areas, and is considered one of the major problems threatening China’s social and economic sustainability.

D.With China's economy entering the stage of rapid industrialization and urbanization, smog phenomenon appears in a large number of cities and their surrounding areas in Chin选项格式A. It is considered to be one of the major practical problems facing China's sustainable social and economic development.

信息技术和网络经济作为先进生产力，对政府提出了向企业和社会公众提供公开、透明、方便、快捷、低成本服务的新要求。因此，国家把电子政务建设作为今后一个时期我国信息化工作的重点，政府先行，带动国民经济和社会发展信息化。这样的背景下，某信息技术有限公司在积累多年研发、实施政府机关办公自动化、电子政务的经验上，着重在国家统一构建的公共体系平台(安全支撑平台和应用支撑平台)上构架应用系统，推出上下联通、信息共享、规范标准的具有全局意义的电子政务应用系统。其中，网络基础设施层向各类电子政务应用提供必要的网络基础环境，提供可靠、有效的信息传输通道，是各类政务信息的最终承担者。应用支撑层向电子政务应用层提供所需的各种通用服务，如信息交换服务、Web门户系统、电子邮件服务、视频会议服务和接入认证网关等。它能有效简化电子政务应用系统的设计和实现。安全支撑平台在各层面为电子政务提供机密性、完整性、可用性、鉴别等安全服务。

该系统具有以下特点：

1．一体化、集成式的解决方案：按电子政务的总体要求，把单个的业务应用、分散的数据库、静态的网站等集成到一个可管理的政务平台。

2．可靠的信息安全管理。

3．通用性，可扩展：跨平台运行，三大操作系统Windows、Unix、Linux均可。基于Web Service多层分类的设计和XML语言，容易实现与其它系统的整合，可以将各种格式的信息集成在电子政务平台上，轻而易举地解决了新旧系统间的信息更新与数据导人问题，保护了原有的投资。

4．功能强大：强大方便的工作流程管理：能稳定的运行于各种环境下，并对流程中的各种日常事件和突发事件(异常状态)进行有效的控制，例如：流程的跟踪、撤办、催办、转办、代办、重办等，从多方面满足用户的实际需要。

请用150字结合电子政务建设的特点分析可靠的信息安全管理应如何实现。

A．f=k•x

B．f=k/x

C．k=f•x

D．x=f•k

A．多见于年轻女性

B．常有多系统损害（心、肝、关节、皮肤等）

C．肾炎综合征

D．血浆球蛋白增高，蛋白电泳以α球蛋白增高为主

E．血中可找到狼疮细胞

A．唐三彩

B．乾陵

C．殷墟

D．兵马俑

A．500kpa

B．520kpa

C．550kpa

D．600kpa

A．不问原因就道歉

B．尽可能心平气和，让对方不要喊叫

C．离开房间不回来

D．坐在那儿发抖，不知所措

概算和预算的区别是什么?

A．25km/h

B．30km/h

C．35km/h

D．45km/h