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  3. SoBig. F damaged computer programs mainly by We learn from the passage that Welchi is

SoBig. F damaged computer programs mainly by We learn from the passage that Welchi is

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问题 SoBig. F damaged computer programs mainly by
We learn from the passage that Welchi is
选项 A、a wicked worm causing as many damages as Blaster did.
B、a program designed by Haley to detect worms like Blaster.
C、a program intended to fix the infected machines.
D、a worm meant to defeat the virus with "pings".
答案C
解析 推理判断题。本文倒数第二段前两句指出"对付像冲击波这样的恶毒蠕虫的一个方法是设计出一个教母蠕虫，自动修补电脑薄弱点。就冲击波而言，似乎已有人设计出一个叫’Welchi’的程序"。由此可以推断Welchi是用来修补受到病毒感染的计算机的某个程序。
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