[单选题] 提问人:匿名网友 提问时间:2021-08-24

Paragraph 4_________


A .Fatalness from viruses and hackers.
B .Two primary dangerous factors: virus and hacker.
C .How the viruses and hackers destroy our computers.
D .Attitudes towards the loss of computer information.
E .The test way to protect our computers.
F .The policies about the viruses.

提问人:匿名网友 提问时间:2021-08-24

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