Most teachers are restricted to teaching materials. What teaching materials taught was outdated and useless, it can’t meet the needs of most of the students. If students were taught long years, the textbook would lead students lack of flexibility and selection, limit student’s vision. The students would become a mere-learning machine, learn what teachers teach and have no concept of independent thinking. 小学英语趣味教学探析(3):http://www.youerw.com/yingyu/lunwen_39130.html