Was a car invented _____ March 4, 1876? [ ]
A. on
B. in
C. at
D. of
答案:A
青黛的功效是()
A.清热解毒
B.凉血消斑
C.清肺止咳
D.清肝泻火
E.定惊
如果结点IP地址为128.202.10.38,掩码为255.255.255.0,那么该结点所在子网的网络地址是()。
A.128.202.1.0
B.128.202.3.0
C.128.202.10.0
D.128.202.38.0