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【多选题】
哈希函数的特性有()。A.
从同一个密码单向哈希，总是得到唯一确定的摘要
B.
单向哈希计算速度快
C.
相同的密码单向哈希计算后的摘要结果完全不一样
D.
一定要混入随机因素B
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反馈参考答案：
举一反三
【多选题】构建警察腐败的预防机制必须__
A.
重视思想教育机制——让警察“不愿腐”
B.
完善制度防范机制——让警察“不能腐”
C.
强化监督约束机制——让警察“不敢腐”
D.
坚持从优待警机制——让警察“不想腐”
【单选题】What does the seventh paragraph tell us? A) The president motivates the students to be a lifelong learner. B) The president urges the students to participate in the creation of knowledge. C) The presi...
A.
The president motivates the students to be a lifelong learner.
B.
The president urges the students to participate in the creation of knowledge.
C.
The president attaches great importance to the undergraduate education.
D.
The president encourages the students to develop the creative skills.
【简答题】The author urges that school administrators, community organizations, teachers, parents, and students integrated service projects into______.
【单选题】The president _____ all people _____ our environment. [ ]
A.
urge; protect
B.
urged; to protect
C.
urges; protect
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