《回声》学法指导设计许扬波（鹰潭市教研室）一、教材分析《回声》是入选九义教育小语新教材第四册的一篇趣味性很浓的科学童话故事。课文通过小青蛙在石桥洞里听到了自己的声音，妈妈的解答使它明白了那声音便是回声这件事，用童话的形式生动形象地解释了回声这一有趣的... “Echo” method to guide the design Xu Yangbo (Yingtan City Department) First, the textbook analysis “Echo” is selected for the text of the fourth volume of the textbook of the nine Yiwu education fun a very thick fairy tale of science and science. Text through a small frog in the stone bridge hole heard his voice, mom's answer to make it understand that the sound is echoed this matter, in the form of fairy tale vividly explain the echo of this interesting ...