MA5200F不能通过RADIUS对PPPoE用户以下哪个属性进行授权()。
A、用户IP地址
B、用户组号
C、用户剩余流量
D、用户闲置切断的速率
参考答案:D
The two old sisters, _______ so long, held each other and burst into tears.
A.being separated
B.having been separated
C.having separated
D.had been separated
增强学生自我效能感的措施有哪些?