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九年义务教育初中生物教材根据学科特点，体现了观察、实验的重要性。从教与学的过程来看，观察和实验是教学顺利进行的前提和基础，是关系到教学质量高低的重要因素。本文总结自己的教学经验，提出一些体会和看法，以供同行参考。 重视实验前的准备。教师应根据实验课的特
Nine years of compulsory education junior high school biology textbooks according to the characteristics of the discipline, reflects the importance of observation and experiment. From the process of teaching and learning, observation and experiment are the preconditions and foundations for the smooth progress of teaching. It is an important factor that affects the quality of teaching. This article summarizes my own teaching experience, put forward some experiences and views for peer reference. Emphasis on pre-experiment preparation. Teachers should be based on the experimental class