【多选题】如果采用ABC类标准地址划分,不定义子网掩码,下面地址中可以作为合法主机IP的是( )
【单选题】What does “quote sparingly” mean?
A.
quote by adding your own opinion
D.
quote in a precise way
【单选题】$result = preg_replace ("/\s*\[quote\][\n\r]*(.+?)[\n\r]*\[\/quote\]\s*/is", "\\1", $str); 该语句会匹配和替换出什么样的 $str ?( )
A.
[quote] [/quote] 不区分大小写
B.
[quote] [/quote] 区分大小写
C.
如果 $str = “[quote]\t\nabc\t\n [/quote] ,则 $result = “tnabctn”;
D.
如果 $str = “[quote]\t\nabc\t\n [/quote] ,则 $result = ‘abc’;
【单选题】下面IP地址中不合法的是 ( )。 A.210.38.176.1 B.192.168.23.10 C.10.10.10.10 D.172.21.10.256
【多选题】如果采用ABC类标准地址划分,不定义子网掩码,下面地址中可以作为合法主机IP的是( )
【简答题】A.overlook B.confirm C.fabricate D.quote
【单选题】Why does the author quote the words about war in the prologue?
A.
Because the story is about powerlessness one feels in the time of war
B.
Because K is an obscure soldier who struggles to get out of war
C.
Because the author of the quote is famous
D.
Because the novel is a reflection of social upheaval in South Africa
【简答题】已知有若干个 IP 地址的信息存放于数组 ip 中,请先判断每个 IP 地址的合法性,若该 IP 地址合法,请指出该地址所属的地址类型并存放到文件“ d : \c\ipadress.txt ”中。请在答题卡上写出 1~4 表示的内容以完善程序(每空 3 分,共 12 分) 说明:( 1 )合法的 IP 地址必须满足 4 段数都小于 256 。 ( 2 ) IP 地址类见下面分类: A 类地址:首段...