See Listings 17 and 18 for how to delete a group or transfer a user to a group.
请看列表 17 和列表 18 ，从而得知如何删除或者将一个用户更改为一个组。
2
The target group id for a group work item transfer is not validated.
不验证组工作项传输的目标组id。
3
Group-to-individual transfer occurs when individuals who learned within a cooperative group demonstrate mastery on a subsequent test taken individually.