【单选题】Which of the following is closest in meaning to the phrase 'made a dent in their numbers' (Sentence 2, Para. 2)?
A.
Made a small hollow place in the surface.
B.
Made up our mind to perish them.
C.
Made up for the decreased numbers.
D.
Made their numbers decrease.
【多选题】一个网段 150.25.0.0 的子网掩码是 255.255.224.0, ( BCD )是有效的主机地址
【简答题】oeil pour oeil, dent pour dent
【判断题】linux系统的用户名和密码存放在/etc/passwd文件中?
【多选题】一个网段 150.25.0.0 的子网掩码是 255.255.224.0, ( )是有效的主机地址