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【单选题】
数据保密性指的是A.
保护网络中各系统之间交换的数据，防止因数据被截获而造成泄密
B.
提供连接实体身份的鉴别
C.
防止非法实体对用户的主动攻击，保证数据接受方收到的信息与发送方发送的信息完全一致
D.
确保数据数据是由合法实体发出的
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【简答题】What are the four customer relationship groups? Is there a way marketers can move a Stranger to True Friend? Explain how Apple and BMW would move their Strangers to True Friends.
【单选题】Passage Four For thousands of years, people have known that the best way to understand a concept is to explain it to someone else. “While we teach, we learn.” said Roman philosopher Seneca. Now scient...
A.
Seneca’s thinking is still applicable today.
B.
Better learners will become better teachers .
C.
Human intelligence tends to grow with age.
D.
Philosophical thinking improves instruction.
【简答题】Section C Directions: There are 2 passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A), B), C) and D). You s...
【简答题】Section C Directions: There are 2 passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A), B), C) and D). You s...
【多选题】We can explain the word desk in an indirect way, for example, ________.
A.
By pointing to the desk
B.
By saying desk is “书桌”
C.
By saying desk is something that we can read and write on.
D.
By saying desk has a flat surface with four legs.
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