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【单选题】
A向B发送消息P,并使用公钥体制进行数字签名。设E表示公钥,D表示私钥,则B要保留的证据是(45)。基于数论原理的RSA算法的安全性建立在(46)的基础上。 Kerberos是MIT为校园网设计的身份认证系统,该系统利用智能卡产生(47)密钥,可以防止窃听者捕获认证信息。为了防止会话劫持,Kerberos提供了(48)机制,另外报文中还加入了(49),用于防止重发攻击(Replay Attack)。
A.
EA(P)
B.
EB(P)
C.
DA(P)
D.
DB(P)
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举一反三
【单选题】对癫痫大发作或小发作均无效,且可诱发癫痫发作的药物是( )
A.
苯妥英钠
B.
安定
C.
苯巴比妥
D.
氯丙嗪
E.
水合氯醛
【判断题】Handouts were usually used as posters on walls.
A.
正确
B.
错误
【单选题】Handouts are important because __
A.
they have your contact information written on them
B.
they contain the key takeaways of your presentation
C.
they provide pictures for the audience to look at
D.
they can be used for audience to take notes
【单选题】How many handouts will the man have to prepare?
A.
10
B.
12
C.
20
D.
24
【单选题】What can be inferred about the professor?
A.
He is not planning to talk about the handouts now.
B.
He expects the woman to respond to questions in the handouts.
C.
He is concerned that the handouts may be difficult to understand.
D.
He is not sure if he has the handouts the woman needs.
【单选题】You can take as many as you like because these handouts are free of()
A.
fare
B.
charge
C.
money
D.
pay
【单选题】In France ______ depend on food handouts.
A.
2.5 million
B.
2.2 million
C.
2.5 billion
D.
2.2 billion
【单选题】对癫痫大发作或小发作均无效,且可诱发癫痫的药物是:
A.
苯妥英钠
B.
地西泮
C.
苯巴比妥
D.
氯丙嗪
E.
水合氯醛
【简答题】Referring to visuals or handouts__________ ________ _______ __________
【单选题】对癫痫大发作或小发作均无效且可诱发癫痫的是()
A.
苯巴比妥
B.
苯妥英钠
C.
氯丙嗪
D.
丙戊酸钠
E.
乙琥胺
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