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习题教学的作用是主要是为了巩固学生的知识和逻辑思维的能力从而达到对学生科学素养以及学习能力的培养。在实际教学过程中,化学习题的教学任务占据了整个教学的大部分时间,因此,习题教学的质量直接决定了教师的教学质量以及教学的有效性。教师在课堂中科学、合理的实施化学习题教学,可以一定程度上加深学生对知识的理解掌握与运用,但是如何进行优化的习题教学是教师必须思考与面对的问题。
The role of exercise teaching is mainly to consolidate the students ’ability of knowledge and logical thinking to achieve the students’ scientific literacy and learning ability. In the actual teaching process, the teaching task of chemical exercises takes up most of the teaching time, so the quality of exercises teaching directly determines the quality of teaching and the effectiveness of teaching. Teachers in the classroom in a scientific and rational implementation of chemical exercises teaching, to a certain extent, deepen students’ understanding and mastery of knowledge, but how to optimize the exercise of teaching is the teacher must think and face the problem.