A．Because they are not accustomed to it.B．Because they are not psychologically prepare
A. Because they are not accustomed to it.
Because they are not psychologically prepared for it.
C. Because their genes differ from those who have been tested for it.
D. Because they are less sensitive to it than those who have been tested for it.
查看答案
A．One weekend.B．Five days.C．Ten days.D．Two weeks.
A. One weekend.
B. Five days.
C. Ten days.
D. Two weeks.
已知某主机的IP地址为:192.168.100.200，子网掩码为:255.255.255.192，则该主机所在的网络地址:(27)， 网络内允许的最大主机数为:(28)，网络内主机IP地址的范围:(29)，广播地址为:(30)。
(18)
A. 192.168.100.190
B. 192.168.100.191
C. 192.168.100.192
D. 192.168.100.193
A．192.168.100．192～192.168.100.255B．192.168.100.193～192.168.100.254C．192.168.100.200～19
A. 192.168.100．192～192.168.100.255
B. 192.168.100.193～192.168.100.254
C. 192.168.100.200～192.168.100.254
D. 192.168.100.201～192.168.100.255
将数据从一个存储单元传送到另一个存储单元的操作由(12)指令完成，用于改变指令执行顺序的是(13)。
(54)
A. 数据转换
B. 数据传送
C. 数据交换
D. 逻辑运算
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