任务型阅读，阅读短文，按要求完成各题。 A volunteer is some

题目：

任务型阅读，阅读短文，按要求完成各题。

      A volunteer is someone who offers to perform a service out of his own will, often without payment.

The year 2001 wasthe 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?

1. What is a volunteer?

2. Where may some donate their bodies to after their death?

3. How can an online volunteer work? 

4. 写出(A)句的同义句。 

5. 将(B)句改为被动语态。