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2011考研英语二真题及答案解析--第1页
2011 年硕士研究生入学考试2011 英语二 真题及参考答案
Section I Use of English
Directions :
Read the following text. Choose the best word (s ) for each numbered black and mark A, B , C or D on ANSWER
SHEET 1 。 (10 points)
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 4 to make the Web
safer place— “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
specific computer .and would authenticate users at a range of online services 。
The idea is to 8 a federation of private online identity systems 。 User 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 “walled garden” n cyberspace, with safe “neighborhoods” and bright
“streetlights to establish a sense of 13 community.
Mr. Schmidt described it as “voluntary ecosystem in which “individuals and organizations can complete online
transactions with 14 ,trusting the
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