Constructive team roles include （）.
A. encourager, initiator, and gatekeeper
B. information giver, devil's advocate, and clarifier
C. withdrawer, harmonizer, and blocker
D. summarizer, recognition seeker, and information seeker
One of the types of cost estimation is Order of Magnitude. This estimate （）.
A. is performed when detailed information is available
B. is performed when little if any information is available
C. is used in the beginning of the project conceptualization
D. B and C
A work breakdown structure (WBS) numbering system should allow project staff to （）.
A. identify the level at which individual WBS elements are found
B. identify configuration management milestones
C. estimate the costs of WBS elements
D. provide project justification
旅行社设立分社，应当向( )办理核准手续，并到( )领取许可证，然后凭此证明文件和许可证到设立地的工商行政管理部门办理登记注册手续。选( )。
A. 原审批的旅游行政管理部门
B. 原审批的旅游行政管理部门
C. 国家旅游行政管理部门
D. 国家旅游行政管理部门
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