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注意缺陷与多动障碍又称为多动症,是儿童期常见的一类心理障碍,表现为与年龄和发育水平不相称的注意力不集中、注意时间短暂、活动过度和冲动,常伴有学习困难、品行障碍和适应不良。It is reported that nearly 2.5 million prima-ry school children in the United States have ADHD(多动症).That is one out of ten children.Those children may have trouble stting