俗话说:初生牛犊不怕虎。三年前,这句话在我的教学中得到了应验:一个刚上一年级时间不长的小男孩,在犯了错误之后,不但不承认自己的错误,还敢于“顶撞”老师!敢于向老师说“不”! As the saying goes: Newborn calves are not afraid of tigers. Three years ago, this sentence has been fulfilled in my teaching: a young boy who has just started the first grade does not make mistakes but does not admit his mistakes. Dare to say “no ” to the teacher!