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
八年级英语同义句转换练习
名词考向分析与考点训练
九年级英语完成句子专项练习
英语语法大全整本收录(二) 冠词和数词
英语语法大全整本收录(五)动词
击重点句式链接中考考点(一)
八年级英语宾语从句练习
中考英语词汇练习前三册
九年级英语上完型填空练习七则
九年级英语上词汇专项练习
中考英语完型填空之答题技巧:精选巧选
初中英语常用量词词组及其它词组
九年级英语上完成句子专项练习
八年级英语用词的适当形式填空
八年级英语上单选专项练习一
英语中考语法(六)连词专题复习
英语语法大全整本收录(四)形容词和副词
英语中考语法(四)数词专题复习
英语语法大全整本收录(三) 代词
九年级英语上单选100免费下
八年级英语上单选专项练习二
初中教材中的八个IT句型
中考英语短文填空练习一
中考英语精选真题讲解
中考英语词汇练习后三册
英语宾语从句专题复习
八年级英语用词适当形式填空
九年级英语句型转换专项二
英语中考语法(一)名词专题复习(1)
八年级英语同义句转换
| 不限 |
| 英语教案 |
| 英语课件 |
| 英语试题 |
| 不限 |
| 不限 |
| 上册 |
| 下册 |
| 不限 |