由于新旧课程的差异、考试改革的冲击,而且处在基础教育阶段由义务教育向非义务教育阶段过渡、在学生身体心理发育由少年期向青年期过渡这样一个关键的时期,使初、高中学科教学中存在的教学衔接问题变得突出、复杂。如果不注意解决,必然影响整个高中的化学教学质量。 Due to the differences between the new and old courses, the impact of exam reform, but also in the transition from compulsory education to non-compulsory education in the elementary education stage, at a critical period of transition from adolescence to adolescence for students’ physical and mental development, The problem of teaching cohesion in teaching has become prominent and complicated. If you do not pay attention to solve, will inevitably affect the entire high school chemistry teaching quality.