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1.导入生动有趣会让生物课引人入胜。如果我们把每节课的导入环节都设计得生动有趣,就会引发学生的好奇心,激起学生的学习兴趣,唤起学生的求知欲望,学生就能积极主动地进入教学情境,完成教学目标。比如学习茎的疏导作用一节时,我这样安排导入:家长经常告诉我们不要剥树皮,这是为什么呢?长期拴牲畜的树会在树干上结出大大的瘤,这又是为什么呢?活了几百年甚至上千年的空心树仍然枝繁叶茂,这到底是为什么呢?通过这
1. Importing Vivid and Interesting Biology Lessonable. If we design each lesson into a vivid and interesting part of the import, it will arouse the curiosity of students, arouse students ’interest in learning and arouse students’ curiosity desire, students can actively enter the teaching situation and finish the teaching goal. For example, when learning about the regulation of stems, I arranged for the introduction: Parents often tell us not to bark, which is why? Long-term tethered livestock trees will have large tumors in the trunk, which is why? Hollow trees, which have lived for hundreds or even thousands of years, are still flourishing