新课标明确指出“学生是学习和发展的主体”“教师是课堂教学的组织者,学生思维的引导者,学习活动的参与者”。而组织、引导、参与课堂教学的主要手段就是运用现代教学媒体,创设情境,激发学生的学习兴趣;巧设提问,发展学生的思维;入境入情丰富学生的想象;主体参与,发挥学生的潜能。作为教师,在课堂教学中,必须以人为本,建立相互平等相互尊重、相互信任的师生关系,营造民主、和谐、师 The new curriculum clearly states that “the student is the main body of learning and development” “the teacher is the organizer of classroom teaching, the guide of student thinking and the participator of learning activities.” The main means to organize, guide and participate in classroom teaching is to use modern teaching media to create situations and stimulate students ’interest in learning; to set questions and develop students’ thinking; to enter the country and enrich the students ’imaginations; to participate in the students’ potentials . As a teacher, in classroom teaching, we must be people-oriented, establish mutual-trust and mutual-trust relations between teachers and students, and create a democratic and harmonious teacher