我在教第2册《青蛙》一课时为了使学生的观察更为仔细,对青蛙的了解更为全面准确,我把全班学生分为了若干小组,并且为每一小组准备了一只水槽,一只烧杯,每只烧杯里放了只小青蛙,这些实验材料在课前就已分发到了各个实验小组。上课伊始,学生就流露出强烈的好奇心。刚开始的时候,学生还能听从教师安 When I was teaching Volume 2 of “Frog”, I had a more complete understanding of the frog in order to make the students' observation more detailed. I divided the whole class into groups and prepared a sink for each group. A beaker, a small frog in each beaker, these experimental materials have been distributed to the various experimental groups before class. At the beginning of class, students showed a strong curiosity. At the beginning, the students were able to obey the teacher's safety