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  3. Someday a stranger will read your e-mail without your permission or scan the Website you’ve visited. Or perhaps someone will cas

Someday a stranger will read your e-mail without your permission or scan the Website you’ve visited. Or perhaps someone will cas

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问题     Someday a stranger will read your e-mail without your permission or scan the Website you’ve visited. Or perhaps someone will casually glance through your credit card purchases or cell phone bills to find out your shopping preferences or calling habits.
    In fact, it’s likely some of these things have already happened to you. Who would watch you without your permission? It might be a spouse, a girl friend, a marketing company, a boss, a cop or a criminal. Whoever it is, they will see you in a way you never intended to be seen — the 21st century equivalent of being caught naked.
    Psychologists tell us boundaries are healthy, that it’s important to reveal yourself to friends, family and lovers in stages, at appropriate times.
    But few boundaries remain. The digital bread crumbs(碎屑) you leave everywhere make it easy for strangers to reconstruct who you are, where you are and what you like. In some cases, a simple Google search can reveal what you think. Like it or not, increasingly we live in a world where you simply cannot keep a secret.
    The key question is; Does that matter?
    For many Americans, the answer apparently is "no."
    When opinion polls ask Americans about privacy, most say they are concerned about losing it. A survey found an overwhelming pessimism about privacy, with 60 percent of respondents saying they feel their privacy is "slipping away, and that bothers me."
    But people say one thing and do another. Only a tiny fraction of Americans change any behaviors in an effort to preserve their privacy. Few people turn down a discount at tollbooths(收费站) to avoid using the EZ-Pass system that can track automobile movements. And few turn down supermarket loyalty cards. Privacy economist Alessandro Acauisti has run a series of tests that reveal people will surrender personal information like Social Security numbers just to get their hands on a pitiful 50-cents-off coupon (优惠卷).
    But privacy does matter— at least sometimes. It’s like health: When you have it, you don’t notice it. Only when it’s gone do you wish you’d done more to protect it.
Why does the author say "we live in a world where you simply cannot keep a secret" (Line5, Para. 3)?
选项 A、Modern society has finally evolved into an open society.
B、People leave traces around when using modern technology.
C、There are always people who are curious about others’ affairs.
D、Many search engines profit by revealing people’s identities.
答案B
解析 细节题。第三段第三句话指出，我们在使用高科技时所留下的点滴信息都会为陌生人了解我们提供线索。例如谷歌搜索就会泄露我们的想法。因此进一步得出结论：我们正生活在一个连保守秘密都很困难的世界里，故B项为正确答案。B项中的traces同义于原文中的digital bread crumbs所暗示的意思。
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