【摘 要】
：
预设是教学的前期准备,生成体现教和学的过程,成功的教学是预设与有效生成的和谐和超越。然而学生的差异性和教学的开放性使课堂呈现出丰富性、多变性和复杂性。当教学不再按
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预设是教学的前期准备,生成体现教和学的过程,成功的教学是预设与有效生成的和谐和超越。然而学生的差异性和教学的开放性使课堂呈现出丰富性、多变性和复杂性。当教学不再按照预设展开,教师将面临严峻的考验和艰难的抉择。在教学过程中必须根据实际情况灵活选择、整合乃至放弃原有
The default is the pre-teaching preparation, the process of teaching and learning is generated, and the successful teaching is the harmony and transcendence of pre-setting and effective production. However, the diversity of students and the openness of teaching make the class rich, changeable and complex. When teaching is no longer in accordance with the pre-set, teachers will face severe tests and difficult choices. In the teaching process must be based on the actual situation of the flexibility to choose, integrate and even give up the original
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