选择题:To her ____ the men in her classes didn.t delibera

题目内容:
To her ____ the men in her classes didn.t deliberately try to embarrass her but accepted her as a fellow student. 
(A) sorrow and disappointment
(B) surprise and pleasure
(C) anger and frustration
(D) hatred and resentment
参考答案:

验证消息完整性的方法是 ( )(A)大嘴青蛙认证协议(B)数字签名(C)基于公钥的认证(D)消息摘要

验证消息完整性的方法是 ( )(A)大嘴青蛙认证协议(B)数字签名(C)基于公钥的认证(D)消息摘要

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