速率为l0Gbps的Ethernet发送l bit数据需要的时间是（）。
A. l×10-6秒
B. 1×10-9秒
C. l×10-10秒
D. 1×10-12秒
查看答案
具有24个10M端口的交换机的总带宽可以达 （）。
A. 10M
B. 24M
C. 240M
D. 10/24M
___ with the picture, Mary tore it into pieces.
A. To satisfy thoroughly
Being thoroughly dissatisfied
C. Dissatisfying thoroughly
D. To be thoroughly dissatisfied
If the ocean free of ice, the storm would move further north,____ the plains of North America of rainfall.
A. to deprive
B. deprived
C. depriving
D. to be deprived
The backgroud music is designed_______.
A. being not listened to
B. to be not listened to
C. not to be listened to
D. to be not listened
微信支付 
支付宝支付