发布时间： 2016年06月06日
At an office in Virginia，in the east of the United States，a team of ten net savvy workers
scours the web for sexual content，from basic sex education to sex acts.This“quality assurance‘’team is making sure that the blocking component of Symantec‘s Norton Internet Security 2000 computer program remains effective.This is because there is widespread parental concern about blocking websites with sexual content from children.
Website blocking is nothing new——services like Net Nanny and programs like Cyber Patrol and Guard Dog have been around for a few years now，protecting children and reassuring parents that only wholesome websites are accessed by the youngsters.Net Nanny and Cyber Patrol will prevent access to any questionable sites when the program is in place.
Now Symantec says it has created a new category in consumer software with a package that combines website blocking with a“firewall”，protecting your computer from hackers，snoopers and viruses，as well as preventing inadvertent disclosure of personal data.
In short，Norton Internet Security(NIS)，as the program is called，is designed to serve as the guardian of your digital health，keeping the bad things out and the private things in.
The Symantec program can be configured in many ways，the website blocking，for example，can be set to be either selectively permissive or total in its banning of websites，or switched off entirely.Also，Symantec‘s list of no-go areas，which on the CD now stand at around 36，000 addresses，is not confined to sex sites.The team in Virginia is also on the lookout for sites advocating drugs，or which contain references to violence or gambling，and keeps a watch on chat rooms，e—mail services，entertainment portals——even job search and financial pages.These sites can be blocked by the program.
Computer users can also refresh the address list online wim the Live Update feature which is used by Norton Anti—Virus(which is bundled with NIS)to load the latest virus definitions.This service is free for the first year but，including virus definition updates，it costs$1 9.95 a year thereafter.
The system is not perfect，however.Limited testing found the blocking of some “questionable” sites was not comprehensive.Trying to get access to a well—known US site such as Playboy results in an immediate blocking message with a standard invitation to report an “incorrectly categorized”site.By contrast.you could find in other countries such as New Zealand a sex site.
1.Which of the following statements can be inferred from paragraph 1 7
[A] The net savvy workers are interested in searching the web for sexual content.
[B]The parents hope the blocking component of Norton Interact Security remains effective.
[C]The parents all over the world do not want the sexual websites to be blocked.
[D]The parents all over the world concern that their children will be harmed by the sexual websites.
2.The word“wholesome”(Line 3.Para.2)probably means .
[A]healthy [B]thorough [C]complete [D]perfect
3.According to the text，NIS is designed to——。
[A]make profit for Symantec
[B] permit any other people sharing your personal data
[C] prevent you from accessing any questionable sites
[D] protect personal data from carelessly disclosure
4.Which of the following statement is correct according to the passage?
[A] Both the program and virus update are free.
[B]The NIS program is free，but you should pay$19.95 per year for the virus update.
[C]The program can refresh the address list online with the Live Update function.
[D] Computer users should pay$1 9.95 every year the time they begin to use the program.
5.By saying“the blocking of some questionable sites was not comprehensive”，the author means
_____.
[A] ‘Playboy“ should be included in the list of no—go areas
[B] NIS is not effective in other countries at all
[C] all the websites in New Zealand should be included in the list
[D]some questionable websites are not included in the list of no-go areas
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