在保安服务活动中，设立临时隔离区属于保安员的职责任务
参考答案：对
The little boy is dirty from head to foot because he ___ in the mud all morning.
A．has played
B．is playing
C．has been playing
D．was playing
卫生纸、面巾纸、餐巾纸及类似纸
