专利标识“ZL200720001482.0”表示这是一项（）类型的专利。 A.发明

如今，业余时间开展做自愿者活动已近越来越流行。“五一”即将来临，最近班级中展开Volunteer活动大讨论，根据下列表格中例举的内容，写一篇不少于100词的英语文章。

Name	What to do?	Reasons
Jack	Go to the Children’s Hospital	Be good with kids ---- ; learn how to ---.
Tom	Go to an animal hospital	To be an animal doctor; learn ----
Helen	Go to an old people’s home	Be good at singing and dancing ----
Me	-------(不同于以上三点)

These days, volunteering is getting more and more popular, and more and more people volunteer their free time to help other. ____________________________