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【单选题】
http 指的是
A.
超文本传输协议
B.
文件传输协议
C.
远程登录协议 D 、邮件传输协议
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举一反三
【单选题】终止系统中所有stu用户的进程的命令是()
A.
pkill  stu
B.
pkill -u stu
C.
kill stu
D.
kill -u stu
【简答题】试写出下列二进制数的典型格雷码: 1、 101010 , 2、 10111011。
【单选题】Players of sport had to wait for new equipment, but big-time sport continued throughout the war.
A.
Y
B.
N
C.
NG
【简答题】Skin-diving(潜泳) is a new sport today. This sport take you into a wonderful new world. It is like a visit to the moon! When you are under water, it is easy for you to climb big rocks, because you are o...
【简答题】将下列十进制数转化为二进制数 8= ; 15 =
【单选题】广义电子商务是指利用 ( ) 进行的 各项 商业活动。
A.
电子签名技术
B.
法律手段
C.
数据电文
D.
法律手段和信息技术
【简答题】阅读理解。 Skin-diving is a new sport today. This sport takes you into a wonderful new world. It is like a visit to the moon! When you are under water, it is easy for you to climb big rocks, because you ar...
【简答题】以下输入接口电路输出接口输出101010: 1、在GJ↑时,输入接口输入( ); 2、当GJ↓时,输入接口输入( ); 3、在G1故障时,输入接口输入( )或( )。
【单选题】终止系统中所有stu用户的进程的命令是()
A.
kill -u stu
B.
pkill  stu
C.
pkill -u stu
D.
kill stu
【单选题】He seemed as if he ___ his homework when his mother came in.
A.
did
B.
is to be doing
C.
were doing
D.
be doing
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