人教版选修7_Unit+4++Sharing+warm-up+re-reading,reading(共21张PPT)
人教版选修7_Unit+4++Sharing+warm-up+re-reading,reading(共21张PPT)第3页

 The definition of “volunteer”

The important factors 1. Not for rewards – esp. money and materials 2. Volunteer – not forced to do so 3. Not only the person but also the society and the environment benefit from it