2023年大学英语专四考试完形填空专项训练3篇

时间：2023-01-20 10:45:06 来源：网友投稿

大学英语专四考试完形填空专项训练1　　Thebirthofcom*rshasbroughtwithitanewsetofopportunitiesformischiefandcrime.Today,下面是小编为大家整理的2023年大学英语专四考试完形填空专项训练3篇,供大家参考。

大学英语专四考试完形填空专项训练1

　　The birth of com*rs has brought with it a new set of opportunities for mischief and crime. Today, com*rs are easy to come by and many people know how com*r technology 11 . More importantly, the growing use of com*r networks can multi* the violation of security, making large numbers of people more vulnerable than would be the case if they were using 12 , stand-alone com*rs.

　　What"s more, com*r experts agree that—despite recent widespread publicity-com*r viruses are 13 one of the many com*r security problems facing the nation.

　　The U. S. Defense Advanced Research Project Agency has requested that the Research Council"s Science and Technology Board 14 the security problems posed by com*r technology, see what 15 may already exist, review research efforts 16 at avoiding security problems in the future, and evaluate existing policies 17 to com*r security. The study commi* 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 Com*r Science, Massachusetts Institute of Technology, will chair the 20 of experts in electronic security, net-work security, com*r law, software engineering ? and operating systems. The commi* will also include com*r 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.commi* L.generates

　　M. relevant N.question O.community

　　参考答案

　　II. B 12. J 13. A 14. H 15. C 16. I 17. M 18. E 19. D 20. K