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
雅思口语18日考题回顾
19日雅思听力考题回顾
IELTS General Training Reading
雅思阅读12日考题回顾
7日雅思阅读真题回忆
雅思阅读19日考题回顾
2日雅思阅读考题回顾
雅思写作A类26日考题回顾
14日雅思考试真题听力回顾
12日雅思写作真题范文解析
28日雅思阅读真题回忆
雅思口语26日考题回顾
7日雅思口语真题总结
12日雅思写作A类考题回顾
7日雅思听力真题回忆
中英合作自考专业推出新双证
14日雅思考试口语真题回顾
19日雅思阅读考题回顾
19日雅思写作G类考题回顾
14日雅思考试阅读真题回顾
雅思写作G类5日考题回顾
IELTS Academic Writing
2日雅思写作G类考题回顾
16日雅思写作解析及预测
7日雅思口语真题回忆
雅思口语10日考题回顾
17日口语考试答题分析
雅思口语5日考题回顾
15日雅思考试口语真题回顾
19日雅思写作A类考题回顾
| 不限 |
| 英语教案 |
| 英语课件 |
| 英语试题 |
| 不限 |
| 不限 |
| 上册 |
| 下册 |
| 不限 |