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要明白:减轻学生的课业负担,关键在于教师要能把课讲得透彻、精练、易懂,而这与教师对学科本质的理解密切相关,教师要能透过生物学事实揭示核心概念内涵,因为核心概念反映的就是学科本质。只有这样,才能激发学生学习兴趣,在有限的学习生物学的时间内,学到更本质的、更有利于终身发展的知识。
To understand: to reduce the burden of schoolwork, the key is that teachers should be able to explain the lesson thoroughly, concise and easy to understand, and this is closely related to the teacher’s understanding of the nature of the subject, teachers should be able to reveal the core concepts through biological facts, Because the core concept reflects the nature of the discipline. Only in this way can we stimulate students’ interest in learning and learn more essential and beneficial knowledge of lifelong development within the limited time of learning biology.