防火墙中的内容过滤不包括().
A.WEB内容过滤
B.邮件内容过滤
C.FTP内容过滤
D.IM(QQ\MSN)的内容过滤
参考答案:D
In relation to the law of contract, explain the meaning of an offer and distinguish it from an invitation to do business. (10 marks)
可引起Ⅰ型超敏反应的变应原()。
A.花粉
B.油漆
C.自身变性的IgG
D.Rh抗原
E.内啡肽