使用自动闭塞法行车时，遇超长列车头部越过发车进路信号机发车，行车凭证为（）。A、路票

情境、协作和交流、（）成为学习的四大要素。

下面程序的运行结果是　　#nclude＜iostream.h＞　　int fun(inta[]，int n)　　{　　　　int result=1；　　　　for(int i=1；i＜n;++)　　　　　　result=result*a[i]；　　　　return result；　　}　　void main( )　　{　　　　int a[3] ={3，4，5}；　　　　cout＜＜fun(a，3)＜＜endl；　　}

A．12

B．15

C．20

D．60

审判的时侯已满七十五周岁的人，不适用死刑。

Due to a constantly (66) environment, a poor understanding of the user’s needs and preferences, as well as a (67) of willingness to modify (68) organizational structures and decision models, the full economic potential of Web Information Systems (WIS) has not been realized by now. The data object types of the (69) meta model, the Extended World Wide Web Design Technique (eW3DT), provide hypertext designers (70) a conceptual, user-centric framework and graphical notation for the construction of both, (71) and customized models, during the software development (72) of commercial WIS. A reference model as a normative concept represents an abstraction of a (73) company, its functional units, or its (Web) Information System and is intended to streamline the design and implementation of complex applications at (74) costs. As precondition for pursuing a partial globalization strategy, eW3DT (75) between technical and content-specific responsibilities for designing, implementing, and maintaining WIS.

（66）（）

A.lack

B.since

C.big

D.lot

客户/服务器模式产生于20世纪80年代，它是基于______的要求而发展起来的。客户/服务器模式通常在______环境下运行，客户端的软件具有______。

A．专用性
B．通用性
C．浏览易操作性
D．快速搜索特性