2. 计算机
  3. An antivirus program (1) a virus by searching code recognized as that of one of the thousands of viruses known to afflict comput

An antivirus program (1) a virus by searching code recognized as that of one of the thousands of viruses known to afflict comput

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问题 An antivirus program (1) a virus by searching code recognized as that of one of the thousands of viruses known to afflict computer systems. An antivirus Program also can be used to create a checksum for (2) files on your disk, save the checksums in a special file, and then use the checksums to (3) whether files have been modified perhaps by a new virus. Special terminate and stay resident (TSR) programs can check for unusual (4) to access vital disk areas and system f11es, and check files you copy into memory to be sure they are not (5) .
选项 A、copied
B、effected
C、infected
D、injected
答案C
解析 译文的含义是：通过搜索数千种已知的会破坏计算机的病毒代码，反病毒程序((1))病毒。反病毒程序还为磁盘上((2))文件建立检验和，在特殊的文件中保存它们，然后，使用检验和来((3))，文件是否被新病毒所修改。TSR程序可以检查访问重要的磁盘区域以及系统文件的异常((4))，而且，检查复制到内存的文件，以确保它们没有被((5))。
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