基于OSI参考模型中,在网络层上的网络互连起来的设备是传输网关。
参考答案:错
While watching television, .
A.the doorbell rang
B.the doorbell rings
C.we heard the doorbell ring
D.we heard the doorbell rings
执行以下语句过程,在窗体上显示的内容是 Option Base 0 Private Sub Command3_Click( ) Dim d d=Array("a", "b", "c", "d" Print d(1) ; d(3) End Sub
A.ab
B.bd
C.ac
D.出错