单项选择题

The virus can affect the computers in the computer system by （）

A．turning off the power
B．making them copy itself
C．sending them copies of itself
D．sending them some destructive ordens directly

<上一题 目录 下一题>
热门 试题

单项选择题
In paragraph 1, They were linked by telephones , they refers to （）

A．computers
B．government agencies
C．private companies
D．universities
单项选择题
34（）

A．quick
B．avoiding
C．direct
D．designed
相关试题