《你参加过哪些志愿者活动》的英文作文如下：
In recent years, the volunteering spirit has spread among the Chinese people,especially among youngsters. According to a survey, in 2008, there wereabout 1,700,000 volunteers who offered service for Olympic Games.
Actually,an increasing number of people bee volunteers in China every year.
Volunteering actions are of tremendous benefits to both those in need and the society. Olympic Games are a good example. As is known to all, volunteers played an active role in Beijing Olympic Games.
Without them, it would be a tough task to hold this un-precedent Olympic Games. Therefore, we can say that it was those volunteers who ensured the success of these games.
As modern college students, we should get actively involved in volunteering activities.
By participating, we can learn how to work well in a team, how to improve our interpersonal skills and organizational ability. Undoubtedly, all of these are critical for our person growth.
So, we should take this chance to learn and to grow.
志愿者的简介：
志愿者（Volunteer）联合国定义为“自愿进行社会公共利益服务而不获取任何利益、金钱、名利的活动者”。具体指在不为任何物质报酬的情况下，能够主动承担社会责任而不获取报酬，奉献个人时间和助人为乐行动的人。
根据中国的具体情况来说，志愿者是这样定义的：
“在自身条件许可的情况下，参加相关团体，在不谋求任何物质、金钱及相关利益回报的前提下，在非本职职责范围内，为帮助有一定需要的人士，开展力所能及的、切合实际的，具一定专业性、技能性、长期性服务活动的人。"
自愿参与社会公益活动的人。享受乘坐公交车，地铁免费，免费进公园及旅游景点。
志愿者也叫义工、义务工作者或志工。他们致力于免费、无偿地为社会进步贡献自己的力量。
志愿工作是指一种具有组织性的助人及基于社会公益责任的参与行为，其发展可追溯至第二次世界大战后，福利主义抬头导致各国政府支出崩塌，发展义务工作以解决社会上不胜负荷的需求。