单项选择题 Skim the following paragraphs and passages, and choose the best answers. Managers and leaders are two completely different roles, although we often use the terms interchangeably. Managers are facilitators of their team members’ success. They ensure that their people have everything they need to be productive and successful; that they’re well trained, happy and have minimal roadblocks in their path; that they’re being groomed for the next level; that they are recognized for great performance and coached through their challenges. Conversely, a leader can be anyone on the team who has a particular talent, who is creatively thinking out of the box and has a great idea, who has experience in a certain aspect of the business or project that can prove useful to the manager and the team. 　　　　A leader leads based on strengths, not titles. 　　The paragraph mainly talks about _______. A. the responsibilities of a manager B. the qualities that a leader must possess C. the difference between managers and leaders

问答题 街道社区建设和社会保障科的主要工作内容及方法?

单项选择题 某公司普通股β系数为1.5，此时一年期国债利率5%，市场平均报酬率15%，则该普通股资本成本率为？ A 20% B 5.5% C 15% D 5%