一、调查访问法如教学《脏乱的害处》时,我让学生自己去看看生活中有哪些脏乱现象,哪里被污染了。孩子们通过观察、询问,了解到我们这个小城的护城河污染严重,河水乌黑难闻,不见鱼儿的身影,两岸成了垃圾倾倒场,臭味能飘几千米。针对学生调查得来的情况,我让他们各抒已见:这 First, the investigation of access methods such as teaching “the harmful effects of dirty”, I let the students themselves to see what life is dirty, where the pollution. Through observation and inquiry, the children learned that the moat in our town is seriously polluted, the river is dark and unpleasant, and the fish are not seen on both sides of the river. The stinks can float for several kilometers. For students to investigate the situation, I let them express their views: This