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众所周知,正确的实验操作是得到良好实验效果的保证。因此,中学生物教学,必须重视基本操作的训练,培养学生严谨的科学态度和解决科学难题的勇气,同时要加强观察力的培养,提高学生发现问题,分析问题和解决问题的能力,发展其智能。观察是思维的知觉,观察到的材料是表象,是思维的向导和依据,所以在观察过程中必然伴随着思维活动。技能、观察、思维之间有着密切的联系,但三者是不可互相替换的。教学实践告诉我们:技能好的学生,一般
As we all know, the correct experimental operation is a guarantee of good experimental results. Therefore, the teaching of middle school biology must pay attention to the training of basic operation, cultivate students’ rigorous scientific attitude and the courage to solve scientific problems. At the same time, it is necessary to strengthen the cultivation of observational power, enhance the ability of students to discover, analyze and solve problems and develop their intelligence . Observation is the perception of thinking, the observed material is the appearance of a guide and basis for thinking, so in the observation process must be accompanied by thinking activities. Skills, observation, thinking are closely linked, but the three can not be replaced. Teaching practice tells us: skilled students, in general