教低年级的老师常常会有这样的体会:精心设计的一节课,上半节课学生学得津津有味,可往往到了下半节课,学生会开始无精打采甚至开始做小动作。究其原因:小学生的身心发展具有顺序性和阶段性,他们的有意注意处于一个循序发展的过程。低年级孩子年龄大都是6～7岁。这个年龄段的儿童聚精会神地注意某一事物的 Teach the lower grades of teachers often have this experience: a well-designed class, the first half of class students relish, can often go to the second half of the class, the students will begin to listless or even begin to do tricks. The reason: primary and secondary physical and mental development of a sequence and stage, their intention to pay attention to a process of orderly development. The lower grades are mostly 6 to 7 years old. Children of this age focus attentively on something