企图利用漏洞达到恶意目的威胁代理称之为( )。
A.邮件爆炸
B.攻击
C.漏洞
D.威胁
参考答案:B
按亲系分,血亲可以分为()。
I think it is your brother who ______for your being late.
A.is to blame
B.is going to blame
C.is to be blamed
D.should blame