在整个呼吸周期中正常吸气占1/3。()
参考答案:对
Mary certainly talks a lot and shes never interested in what
has to say.
A.somebody else
B.anyone else
C.nobody else
D.everybody else
以下哪个地址是Ethernet的物理地址________。
A.10.254.1.220
B.00-60-08-00-A6-38
C.10-65-08
D.:::10.0.0.1