经过多年的教与学的磨炼及多次的实践，我将初一生物课本的几处进行了修改与补充，与同行们商榷。1内容的准确性我们在上“种子萌发、休眠和寿命”一节时，我剥去南瓜的种皮，然后把胚放入KMnO4溶液中消毒之后培育，它们都能够发育成正常的幼苗。由此可见，种子萌发的自身条件 After many years of teaching and learning and practice, I revised and supplemented several places in the biology textbook of the first year and discussed it with my colleagues. 1 Accuracy of content When we were on the section “Sprout, Dormancy, and Lifespan”, I stripped the seed coat of the squash and then sterilized it after putting it into KMnO4 solution. All of them could develop into normal seedlings. It can be seen that the seeds germinate their own conditions