Unit15 词组总结
I. Warming up, listening & speaking
1. be typical of sb 对……来说很典型
2. have sth in common with sb 与某人有……共同之处
3. volunteer to do sth 自愿做某事
4. Youth Volunteers’ Center青年支援者中心
5. volunteer for sth 志愿做某事
6. present sth to sb 把……呈现给某人
II. Reading
1. International Volunteers Day 国际志愿者日
2. make a contribution to …对……做出贡献
3. Secretary General秘书长
4. make a difference产生影响；与众不同
5. enjoy having company喜欢有人陪伴
