阅读理解根据短文完成任务：阅读下面的材料，然后根据材料内容回答问题A volunteer is someone who

阅读理解
根据短文完成任务：阅读下面的材料，然后根据材料内容回答问题
A volunteer is someone who offers to perform a service out of his own will, often without payment. The year 2001 was the International Year of the Volunteer. 2005 was the UK Year of the Volunteer.
Some volunteer for clinical trails (临床试验) or other medical research. Some may even donate their bodies to scientific research after their death.
An online volunteer is a person who spends time and effort with an organization through an online connection, rather than in person. A great number of people from around the world are online volunteers. Online volunteers can provide help in many fields. The practice of offering online help goes by other names.
(A)There are many opportunities for people to donate their services using the internet. (B) Online volunteers can do different kinds of tasks. Young or old, anyone can spend his spare time online offering some help as an online volunteer. Are you ready to be an online volunteer?
小题1:What is a volunteer?
小题2:Where may some donate their bodies to after their death?
小题3: How can an online volunteer work?
小题4:将(A)句翻译成汉语。
小题5:将(B)句改为被动语态。