Ta老师题库

●The(72) in e－mail messages has affected almost every computer around the world and has ca

20 查阅

● The （72） in e-mail messages has affected almost every computer around the world and has caused the damage of up to US$1 billion in North America.

（72）

A. illness

B. virus

C. weakness

D. attachment

参考答案:

B

相关问题:

●Heterogeneous network environments consist of computer systems f

● A (75) infected computer may lose its data. (75)

●One use of networks is to let several computers share (71) such

●A computer virus is a computer program that is created to make a

● One of the basic rules of computer security is to change your(7

●In a computer,which of the following is the longest period? (66)

● (71) refers to the parts of the computer that you can see and t

● The most important program on any computer is (73) . (73)

随便看看:

版权所有,保留一切权利！© 2018-2023 Ta老师 Talaoshi.com 湘ICP备18019507号-1 联系QQ:469958。