国运兴衰系于教育,教育兴衰系于教师。在全面推进素质教育深化教育改革的关键时期,笔者深知教育要面向全体学生全面发展,要全面发展,就要让学生主动发展。作为一名初中化学教师,在多年的教育 The rise and fall of national fortunes in education, education rise and fall of the Department of teachers. In promoting the quality education to deepen the reform of education in a critical period, the author knows that education should be for all-round development of students, to all-round development, we must allow students to take the initiative to develop. As a junior high school chemistry teacher, in many years of education