单项选择题 Project schedule management is made up of six management processes including: activity definition, activity sequencing（）and schedule control by order.

单项选择题 The creation ofa work breakdown structure (WBS) is the process of（）the major project deliverables.

单项选择题 The Unified Modeling Language is a standard graphical language for modeling object-oriented software（）can show the behavior of systems in terms of how objects interact with each other.