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【单选题】
数据管理三个阶段中数据冗余度最小的阶段是A.
数据库系统
B.
人工管理
C.
文件系统
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反馈参考答案：
举一反三
【单选题】According to the second paragraph, in which areas did the temperature fall below zero?
A.
Most of the South.
B.
Parts of interior South Florida.
C.
West Palm Beach.
D.
All of the above.
【单选题】In which paragraph you can find the answer of the following question? What did I (the Helpline volunteer) learn from the crisis training?
A.
Para. 1
B.
Para. 2
C.
Para. 3
D.
Para. 4
【单选题】In which paragraph you can find the answer of the following question? 3. Why did the caller want to commit suicide?
A.
Para. 3
B.
Para. 4
C.
Para. 5
D.
Para. 6
【单选题】In which paragraph you can find the answer of the following question? 5. Where did the caller's hope come from?
A.
Para. 21
B.
Para. 22
C.
Para. 23
D.
Para. 24
【简答题】创建函数使用什么关键字,要注意什么?
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