A-A+

The ______ in e-mail messages has affected alm

2022-08-05 23:50:21 问答库 阅读 173 次

问题详情

The ______ 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.
A.illness
B.virus
C.weakness
D.Attachment
请帮忙给出正确答案和分析,谢谢!

参考答案

正确答案:B

考点: