The birth of computers has brought with it a new set of opportunities for mischief and crime. Today,
The birth of computers has brought with it a new set of opportunities for mischief and crime. Today, computers are easy to come by and many people know how computer technology 11 . More importantly, the growing use of computer networks can multiply the violation of security, making large numbers of people more vulnerable than would be the case if they were using 12 , stand-alone computers.
Whats more, computer experts agree that despite recent widespread publicity-computer viruses are 13 one of the many computer security problems facing the nation.
The U. S. Defense Advanced Resea rch Project Agency has requested that the Research Councils Science and Technology Board 14 the security problems posed by computer technology, see what 15 may already exist, review research efforts 16 at avoiding security problems in the future, and evaluate existing policies 17 to computer security. The study committee will examine the 18 of security for a broad spectrum of users, including the business, national security, and academic communities, as well as the 19 public.
David. Clark, senior research scientist, Laboratory for Computer Science, Massachusetts Institute of Technology, will chair the 20 of experts in
electronic security, net-work security, computer law, software engineering ? and operating systems. The committee will also include computer users from the defense and banking industries.
A. only B. works C. solutions D. general
E. issue F. fundamentally G. universal H. assess
I. aimed J. single K. committee L. generates
M. relevant N. question O. community
答案:11. B 12. J 13. A 14. H 15. C 16. I 17. M 18. E 19. D 20. K
外研新标准版初中英语七年级下册单元测试-Module10 Life history
冀教版九年级英语上Units4-5测试题及答案
仁爱版英语七下《Topic 3 My school life is very interesting.》word同步测试
新目标版英语七上《Unit 3 This is my sister》word同步测试(一)
外研新标准版七年级上册期中测试题
外研新标准版初中英语七年级下册单元测试-Module11 National heroes
新目标版英语七上《Unit 3 This is my sister》word同步测试
外研新标准版初中英语七年级下册单元测试-Module3 Plans
外研新标准版七年级上册期末测试题
外研新标准版七年级上册期末测试题(一)
外研版英语七下《Unit 1 I was born in a small village》word同步测试
新目标版英语七上《Unit 2 Is this your pencil》word同步测试(一)
外研版英语七下《Unit 1 I went to Los Angeles two years ago》word同步测试
外研新标准版初中英语七年级下册期中测试题
外研新标准版七年级上册单元测试-Moduel 10
外研新标准版七年级上册单元测试-Moduel 7(一)
外研新标准版初中英语七年级下册单元测试-Module12 A holiday journey
外研新标准版七年级上册单元测试-Moduel 7
外研版英语七下《Unit 1 Once upon a time》word同步测试
外研新标准版初中英语七年级下册单元测试-Module7 Planes boats and trains
外研新标准版初中英语七年级下册期中测试题(二)
外研版英语七下《Unit 1 We listened to the radio》word同步测试
外研新标准版初中英语七年级下册单元测试-Module2 Spring Festival
外研版英语七下《Unit 2 He trained for five years》word同步测试
外研新标准版初中英语七年级下册单元测试-Module4 Life in the future
仁爱版英语七下《Topic 2 He is playing soccer on the playground》word同步测试
外研版英语七下《Unit 2 Everyone will have a small car》word同步测试
外研新标准版七年级上册单元测试-Moduel 5
外研新标准版七年级上册单元测试-Moduel 2
外研版英语七下《Unit 2 Everyone will have a small car》word同步测试(一)
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英语教案 |
英语课件 |
英语试题 |
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下册 |
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