新课程改革倡导“学生主动参与、乐于探究、勤于动手,培养学生搜集和处理信息的能力、获取新知识的能力、分析和解决问题的能力以及交流与合作的能力”。学生是学习活动的主体,教师是学生学习的促进者。因而教师在教育教学活动中,应充分考虑学生发展,以学生发展为中心,想学生之所想、急学生之所 The new curriculum reform advocates “students take the initiative to participate, willing to explore, diligently, cultivate students ability to collect and process information, ability to acquire new knowledge, ability to analyze and solve problems and exchange and cooperation ”. Students are the mainstay of learning activities and teachers are the facilitators of student learning. Therefore, teachers in education and teaching activities, students should take full account of the development of student development as the center, think the students think, the urgency of the students