小学语文第四册《回声》（第二课时）教案执教者张岩指导者薛圣玉丛素娟教学内容：学习四至六自然段教学要求：１．学会“捡、扔、波、荡”四个生字；理解“荡、返、欢快”等词语的意思和课文四至六自然段的内容。２．能根据课文中的句子展开想象，懂得回声形成的原因；能... Primary Chinese Volume IV “Echo” (the second lesson) Teaching plan coach Zhang Yan Mentor Xue Shengyu Cong Sujuan Teaching content: Learning four to six nature section Teaching requirements: 1. Learn to “pick up, throw, wave, swing” four words; understand the “swing, back, happy” and the meaning of the text four to six paragraphs of natural content. 2. According to the text of the sentence to start the imagination, echoes understand the formation of reasons; can ...