10. Corporate grapevine is a kind of formal communication within the organization. A. 错误 B. 正确 正确答案：
11. The belief that what one does will help satisfy other people’s needs is the essential motivating force. A. 错误 B. 正确 正确答案：
12. Job rotation and enlarge are ways to increase the intrinsic rewards of jobs. A. 错误 B. 正确 正确答案：
13. The central idea of the scientific management theory is to apply scientific methods to management so as to maximize its effect. A. 错误 B. 正确 正确答案：
14. The classical period of management study refers to the first half of the 20th century. A. 错误 B. 正确 正确答案：
15. The essential feature of leadership is the ability to communicate efficiently. A. 错误 B. 正确 正确答案：
