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初中平面几何第一章——绪论是全部几何学的基础,它的教学效果好坏,给以后的教学影响很大。这一章的教材特点是名词定义多。学生大多反映:名词定义抽象难记。有的学生一开头就得到这样一个印象:几何学是枯燥而难学的;更有许多学生由于对本章中的那些作为全部几何学基础的名词定义和公理掌握不住,以致长时间的概念不清,一筹莫展。苏联的名教育家伯拉基斯曾指出:“学
The first chapter of plane geometry in junior high school is the foundation of all geometry. The effect of teaching is good or bad, and it has great influence on the future teaching. The teaching material in this chapter is characterized by many definitions of nouns. Most of the students reflect: The abstract definition of nouns is hard to remember. Some students get the impression from the outset that geometry is boring and difficult to learn; many students are unable to grasp the concepts and axioms that are the basis of all geometry in this chapter. Clear, do nothing. The Soviet educationist Berakis once pointed out: