However, in some poverty-stricken rural areas, few school-agers can afford to go to school because of lack of financial support.
然而，在一些贫困的农村地区，有极少数学校，很多坡乡孩子不能去上学，因为缺乏财政支持。
Methods: The cognitive function of 70 cases with IDA and 30 normal school-agers were studied by means of IQ and event-related potential (ERP) determination.
方法：采用智商(IQ)、事件相关电位(erp)测试的方法对70例ida、30例正常小学生的认知功能进行对照测查。
Methods: The cognitive function of 70 cases with IDA and 30 normal school-agers were studied by means of IQ and event-related potential (ERP) determination.
方法：采用智商(IQ)、事件相关电位(erp)测试的方法对70例ida、30例正常小学生的认知功能进行对照测查。
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