ADSL宽带用户的带宽限制一般在BRAS的端口及()限制。
A.核心路由器
B.核心交换机
C.Radius
D.dslam
参考答案:D
I think Tom, as the head of a big department, should either study regularly or ____his job.
A.quits
B.to quit
C.quitting
D.quit
涨发笋干的基本流程是浸→焗→()→焗。