ADHD(attention deficit with hyperactivity disorder)
也称多动症,是由非智力因素引起的一组儿童行为一场症候群。主要表现出与年龄不相符的注意力分散、行为冲动和活动过度,伴认知障碍和学习困难。
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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