A“弱智”,又称“智力残疾”,国际上通用的医学名称是精神发育迟滞(MentalRetardation)。弱智人的智力功能明显低于正常人,还往往兼有生理、心理以及社会适应能力和行为能力的障碍。他们的日常生活不能自理,必须有人帮助。也不能在正常人学习的学校通过正常学习方式和教材接受 A “Mentally handicapped”, also known as “mental handicap”, the internationally accepted medical name is Mental Retardation. Mentally retarded people’s mental function was significantly lower than normal, but also often have physical, psychological and social adaptation and ability to act as a barrier. Their daily life can not take care of themselves and must be helped. Nor can it be accepted through normal learning methods and teaching materials in normal school