自感现象是（）而产生的电磁感应现象。

互联网是把双刃剑，今天的互联网给这个时代、给社会所带来的革命性的冲击，人人不可小视。对于网络媒体来说，要实现新跨越、实现大繁荣，核心还是要使我们成为真正意义上的主流媒体。人们判断主流媒体，说一千道一万，归纳起来标准只有三条：第一，拥有受众；第二，有效传播；第三，必须有主流价值。前两条毫无疑问地互联网早已具备，关键是我们的主流价值在哪里，主流价值是什么，起码是公信力、是可信度，是对社会的引领。也就是我们所说的导向、真实和特色。

（1）这一核心主流价值是什么？（1分）

（2）为什么要坚持这一核心主流价值？（2分）

（3）请从国家和公民的角度，谈一谈如何解决网络媒体出现的上述问题。（3分）

For nearly ten years, the Unified Modeling Language (UML) has been the industry standard for visualizing, specifying, constructing, and documenting the（）of a software-intensive system. As the（）standard modeling language, the UML facilitates communication and reduces confusion among project（）. The recent standardization of UML 2.0 has further extended the language’s scope and viability. Its inherent expressiveness allows users to（）everything from enterprise information systems and distributed Web-based applications to real-time embedded systems. 　　The UML is not limited to modeling software. In fact, it is expressive enough to model（）systems, such as workflow in the legal system, the structure and behavior of a patient healthcare system, software engineering in aircraft combat systems, and the design of hardware. To understand the UML, you need to form a conceptual model of the language, and this requires learning three major elements: the UML’s basic building blocks, the rules that dictate how those building blocks may be put together, and some common mechanisms that apply throughout the UML.

In fact, it is expressive enough to model（）systems.

A．non-hardware

B．non-software

C．hardware

D．software

过敏性紫癜常见的首发症状是（）

A.发热

B.皮肤紫癜

C.关节肿痛

D.肾损害

E.心脏损害

在操作系统的各个功能组成部分中，不需要硬件支持的是

A．进程调度

B．时钟管理

C．地址映射

D．中断系统

（）是指社会集体乃至社会全体成员的共同理想，即在全社会占主导地位的共同奋斗目标。

A.职业理想

B.家庭理想

C.个人理想

D.社会理想