硕士研究生英语二2011年真题.docVIP

2011 年全国硕士研究生入学统一考试英语（二） Section I Use of English Direction: Read the following text. Choose the best word(s) for each numbered blank and mark A, B, C or D on ANSWER SHEET 1. (10 points) ①The Internet affords anonymity to its users, a blessing to privacy and freedom of speech. ②But that very anonymity is also behind the explosion of cyber-crime that has 1 across the Web. ①Can privacy be preserved 2 bringing safety and security to a world that seems increasingly 3 ? ①Last 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. ②The 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. ①The idea is to 8 a federation of private online identity systems. ②Users could 9 which system to join, and only registered users whose identities have been authenticatedcould navigate those systems. ③The approach contrasts with one that would require an Internet driver‘s license 10 by the government. ①Google 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. ① 12 , the approach would create a ―walled garden‖ in cyberspace, with safe ―neighborhoods‖ and bright ―streetlights‖ to establish a sense of a 13 community. ①Mr. 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‖. ①Still, the administration‘s plan has 16 privacy