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【单选题】
关于密码学的讨论中,下列( )观点是不正确的。A.
密码研究与信息安全相关方面，如机密性、完整性、实体认证和不可否认性等综合技术
B.
密码学的两大分支是密码编码学和密码分析学
C.
密码并不是提供安全的单一的手段，而是一组技术
D.
密码在一次一密的密码体质，它是绝对安全的
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【多选题】Read the sentences. Then reorder the events. The History of Soccer Without a doubt, soccer is the most popular sport in the world. Around 250 million people from more than 200 countries regularly p...
A.
The first World Cup was played in Uruguay.
B.
Large disorganized games in the streets were common in Europe.
C.
Scotland and England played the first international soccer game.
D.
Groups in England formed the Football Association.
E.
The FIFA had its first meeting.
【简答题】Th e belief in the of the individual i s p r obably the most basic and most s t rongly held of all Am er ican beliefs. The most important thing to understand Americans is p rob ably their devo...
【单选题】Which of the following groups is most likely to be benefitted when a country engages in free trade? a. A ll the domestic producers of the countr y b. T he manufacturers of exportable goods c. The p ro...
A.
B.
C.
D.
D
【多选题】在网络环境下,顾客的购买行为具有()的特征
A.
个性消费的回归
B.
主动性增强
C.
可以对网上商品进行广泛的比较
D.
对于品牌仍有较强的忠诚度
E.
要求商品的质量和精细程度高
【单选题】______________ is the most risky way of collection for the seller
A.
D/P at sight
B.
T/T
C.
D/A
D.
L/C
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