In October 1987, the National Board for Professional Teaching Standards began its work to set new standards of accomplishment for the teaching profession and to improve the 11 of education available to all children in the United States.
　　Teachers are 12 to students and their learning. They must act on the belief that all students can learn. They must recognize 13 differences in their students and adjust their practice 14 . They must know that their mission extends beyond developing the cognitive capacity of their students. They must be 15 with their students' self-concept, with their motivation, and with the development of character.
　　Teachers must know the subjects they teach and how to teach them. They must 16 specialized knowledge of how to convey a subject to students. Teachers are responsible for managing and monitoring student learning. They must call on 17 methods to meet their goals, knowing and being able to 18 a variety of instructional skills. Teachers must think systematically about their practice and learn from experience, seeking the 19 of others and drawing on education research and scholarship to improve their practice.
　　As members of learning communities, teachers contribute to school effectiveness by collaborating with other professionals. They take 20 of community resources, cultivating knowledge of their school's community as a powerful resource for learning.

　　A. employ B. advice C. quantity D. committed
　　E. command F. consulted G. manual H. approximately
　　I. concerned J. advantage K. multiple L. accordingly
　　M. individual N. embrace O. quality

　　答案：11. O 12. D 13. M 14. L 15. I 16. E 17. K 18. A 19. B 20. J