40．What does the writer want to say in this passage?

　　A．New technologies affect our life.

　　B．It is difficult to have a private life.

　　C．Your phone number is not a secret.

　　D．Computers can recorder everything.

　　【答案与解析】　B　主旨题。文章的第1句“Having a private life is becoming more and more difficult”为主题句，意为“过私人生活越来越难”，后面都是围绕此点展开的。

　　41．From the passage we can infer that if we put our personal information on the web, ________.

　　A．it might bring us trouble

　　B．it might cause trouble to others

　　C．we can develop friendship with a stranger

　　D．a stranger can recognize us with only one touch

　　【答案与解析】　A　推断题。根据第2段“A total stranger can, with one touch of his computer, have all the information about your life. That's the price we pay as our world moves with technology”中的“陌生人”和“付出的代价”可知，这样做可能给我们带来麻烦。

　　42．According to the writer, if famous people ________.

　　A．walk on the street, they will be recognized

　　B．become rich, they'd better not walk alone

　　C．want to have privacy, they shouldn't be on a crowded street

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