What is the main idea of this passage? If you are choosing a password for your computer, which of the following is the best cho

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问题 What is the main idea of this passage?
If you are choosing a password for your computer, which of the following is the best choice?

选项 A、iaHgnahs
B、I9730508
C、2B/not2B
D、Re-B,p12

答案D

解析 这道题要求考生在理解文章的基础上解决一个具体问题。做这道题的方法是排除法。根据第三段第一句话中的don’t use passwords made up entirely of letters or digits可排除 A和B项。这篇文章的最后一句讲到,“无论你决定选择什么密码,不要采用上面提到的任何—个例子。”据此,可以排除C项。所以,D是正确答案,只有不同种类的符号、数字、横线等的组合,才是最好的选择。
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