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【单选题】
下列叙述中正确的是
A.
A只要删除所有感染了病毒的文件就可以彻底消除病毒
B.
B计算机杀毒软件可以查出和清除任意已知的和未知的计算机病毒
C.
C计算机病毒主要通过读／写移动存储器或Internet网络进行传播
D.
D计算机病毒只在可执行文件中传染，不执行的文件不会传染
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-30°～＋90°
B.
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C.
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查看完整题目与答案