清晨,草叶上的露珠是由空气中的水汽凝结成的水珠,这一物理过程中,水分子间的[ ]
A.引力消失,斥力增大
B.斥力消失,引力增大
C.引力、斥力都减小
D.引力、斥力都增大
答案:C
在 Windows XP 的桌面上创建快捷方式的方法有___________
A.用鼠标右键单击文件所在的磁盘,选择“创建快捷方式”
B.“资源管理器”→“文件”下拉菜单→“发送到”→“桌面快捷方式”
C.“资源管理器”中找到想要的文件,利用鼠标右键把它拖到桌面上,建立快捷方式
D.“资源管理器”中找到想要的文件,利用鼠标左键把它拖到桌面上,建立快捷方式
The (71) is a general description of the architecture of a workflow management system used by the WFMC, in which the main components and the associated interfaces are summarized. The workflow enactment service is the heart of a workflow system which consists of several (72) . In a workflow system, a process is specified using the process definition tool. Usually, processes are defined in terms of a (73) , which consists of (74) indicated using a circle, and (75) shown as a rectangle. These two components can be linked by means of a directed arc.
(71)处填()。
A.evolutionary model
B.workflow reference model
C.waterfall model
D.spiral model