A-A+
The ______ in e-mail messages has affected alm
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