百分百英语›考研英语完形填空真题库›2011年英语二 完形填空
The Internet affords anonymity to its users, a blessing to privacy and freedom of speech. But that very anonymity is also behind the explosion of cyber-crime that has (1) across the Web.
Can privacy be preserved (2) bringing safety and security to a world that seems increasingly (3) ?
Last month, Howard Schmidt, the nation's cyber-czar, offered the federal government a (4) to make the Web a safer place – a "voluntary trusted identity" system that would be the high-tech (5) of a physical key, a fingerprint and a photo ID card, all rolled (6) one. The system might use a smart identity card, or a digital credential (7) to a specific computer, and would authenticate users at a range of online services.
The idea is to (8) a federation of private online identity systems. Users could (9) which system to join, and only registered users whose identities have been authenticated could navigate those systems. The approach contrasts with one that would require an Internet driver's license (10) by the government.
Google and Microsoft are among companies that already have these "single sign-on" systems that make it possible for users to (11) just once but use many different services. (12) , the approach would create a "walled garden" in cyberspace, with safe "neighborhoods" and bright "streetlights" to establish a sense of a (13) community.
Mr. Schmidt described it as a "voluntary ecosystem" in which "individuals and organizations can complete online transactions with (14) , trusting the identities of each other and the identities of the infrastructure (15) which the transaction runs."
Still, the administration's plan has (16) privacy rights activists. Some applaud the approach; others are concerned. It seems clear that such a scheme is an initiative push toward what would (17) be a compulsory Internet "driver's license" mentality.
The plan has also been greeted with (18) by some computer security experts, who worry that the "voluntary ecosystem" envisioned by Mr. Schmidt would still leave much of the Internet (19) . They argue that all Internet users should be (20) to register and identify themselves, in the same way that drivers must be licensed to drive on public roads.
答案速查：1.A 2.C 3.B 4.D 5.D 6.B 7.A 8.C 9.C 10.B 11.D 12.B 13.A 14.C 15.A 16.A 17.D 18.A 19.C 20.D
1. that has (1) across the Web
答案：A
2. Can privacy be preserved (2) bringing safety and security
答案：C
3. to a world that seems increasingly (3)
答案：B
4. offered the federal government a (4) to make the Web a safer place
答案：D
5. that would be the high-tech (5) of a physical key, a fingerprint and a photo ID card
答案：D
6. all rolled (6) one
答案：B
7. or a digital credential (7) to a specific computer
答案：A
8. The idea is to (8) a federation of private online identity systems
答案：C
9. Users could (9) which system to join
答案：C
10. that would require an Internet driver's license (10) by the government
答案：B
11. make it possible for users to (11) just once but use many different services
答案：D
12. (12), the approach would create a "walled garden" in cyberspace
答案：B
13. to establish a sense of a (13) community
答案：A
14. individuals and organizations can complete online transactions with (14)
答案：C
15. the identities of the infrastructure (15) which the transaction runs
答案：A
16. the administration's plan has (16) privacy rights activists
答案：A
17. such a scheme is an initiative push toward what would (17) be a compulsory Internet "driver's license" mentality
答案：D
18. The plan has also been greeted with (18) by some computer security experts
答案：A
19. would still leave much of the Internet (19)
答案：C
20. all Internet users should be (20) to register and identify themselves
答案：D