Unit 1 Living well Period 1精品课件 新人教选修7
Unit 1 Living well Period 1精品课件 新人教选修7第5页

Disability is a lack of ability relative to a personal or group standard. Disability may involve various impairments (缺陷), mental disorder and different types of chronic (慢性) diseases. A disability may occur during a person's lifetime or may be present from birth.

What is Disability?