Next time you visit a webpage and find an ad banner advertising something you’ve been planning to buy, don’t be amazed that your computer can read your mind.

　　64. The purpose of the passage is to_____ .

　　A. introduce a tiny file in a computer—a single code

　　B. show how your individual information was let out when you surf the Internet

　　C. show how to protect your privacy

　　D. introduce a sophisticated software called a “beacon”

　　65. It can be inferred that_____ .

　　A. because the data is used harmlessly, Internet users around the world will not face threats

　　B. when a person surfs the Internet, his personal details may be let out without his knowledge

　　C. your computer can really read your mind

　　D. MSN. com and Yahoo. com use software to capture what people are typing on a website

　　66. According to the passage, “beacon” _____.

　　A. is a tiny text file put on your PC by websites

　　B. is a software that can package that data into profiles about individuals

　　C. can assess the Internet user’s location, income, shopping interests and even medical conditions

　　D. is not more complex than the “cookie”

　　67. What’s the writer’s attitude to this problem?

　　A. Neutral.

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