广播电视英语短句 第 10 课：体重超标-3

Lara McKenzie from Ohio State University was the lead researcher. 俄亥俄州立大学的 Lara McKenzie 是首席研究员。

She says one possibility is a decrease in the number of school nurses during the period they studied. 她说，这可能是由于学生在校期间校园护理人员减少导致的。

For example, a two thousand four study showed that the number of school nurses nationally failed to meet federal guidelines. 比如， 2004 年的一份调查显示，全国的校园护理人员人数没能符合联邦政府的方针指标。

Schools without a nurse on duty may be more likely to send an injured child to a hospital. 没有在岗护士的学校可能更会把受伤的学生送往医院。

Another possible reason for more injuries is a change in the traditional idea of physical education. 另一个导致更多伤害的可能原因是对体育传统观念的改变。