9．To protect your computer，you need to be aware of the different ways in whichviruses（病毒） can be spread from one computer to another．

分析 為了保護你的電腦，你需要搞清楚病毒在電腦之間傳播的不同方式．

解答 答案：viruses
病毒：virus；句意表達的是泛指，要用復數(shù)形式．

點評 翻譯題在解題是首先要確定好句子的時態(tài)，然后要把握好短語表達，最后要注意句子結(jié)構．

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