严守纪律的要点是：服从领导，听从命令，遵守纪律，保守机密。( )
参考答案：错
解析： 严守纪律的要点是：服从领导，听从命令，遵守制度，保守机密。
— Have you heard of this new brand of computer, Mike?
— Yes, of course, and I've decided to buy ___. [ ]
A. it
B. one
C. this
D. that
缺省情况下，S8512支持的VRF数为：（）
A.128
B.256
C.512
D.1024
