志愿服务有别于强制性劳动，这体现了志愿服务的( )。
A．自愿性B．非营利性C．公开性D．无偿性
参考答案：A
你能找出下列句子中的错误吗？选出来并改一改。
( ) 1. What did you do on you holiday? _______________
A B C
( ) 2. Wu Yifan is busy last weekend. _______________
( ) 3. Did you learned English on your holiday? _______________
( ) 4. What did you usually do on the weekend? _______________
( ) 5. We went with plane on our holiday. _______________
( )不属于公安机关必须履行的职责。
A．管理集会、游行、示威活动
B．惩治投机分子
C．维护国(边)境地区的治安秩序
D．法律、法规规定的其他职责
