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【单选题】
SET 通过使用()保证了数据的保密性。A.
私有密钥和对称密钥方式加密
B.
公共密钥和对称密钥方式加密
C.
公共密钥和非对称密钥方式加密
D.
私有密钥和非对称密钥方式加密
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皮皮学刷刷变学霸
举一反三
【简答题】A．She thinks it is a great idea. B．She thinks it is no good for students' study. C．She thinks it has its positive side as well as its negative side. D．She thinks it can help students to be independent...
【简答题】 重复保险与共同保险的区别有哪些?
【简答题】He is a good dancer, but it doesn' t _________ that he is a good singer.A. mean B. prove C. follow D. indicate
【单选题】What does the man mean?
A.
He is sure who is going to win.
B.
Now it is a good time to start the game.
C.
The game has been going on for a long time.
【单选题】—Your picture is very good. —_______. [ ]
A.
No, it is not good
B.
OK, you’re right
C.
Thank you
D.
Thanks you
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