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【单选题】
以下关于数据管理发展的描述错误的是A.
文件系统阶段的数据可以长期保存
B.
数据库系统阶段仍没有解决数据独立性问题
C.
数据库系统阶段实现了对数据的共享
D.
人工管理阶段存在大量数据冗余
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】已有定义语句:int x,y,z; x=3;y=4;z=5;,则值为0的表达式是( )。
【单选题】Guthrie's contiguity principle offers practical suggestions for how to break habits. One application of the threshold method involves the time young children spend on academic activities. Young childr...
A.
inform
B.
persuade
C.
debate
D.
narrate
【多选题】下列关于信用卡及其业务说法正确的是（ ）。
A.
信用卡包括发卡业务和收单业务
B.
信用卡提供的服务不包括资金结算
C.
账务处理及争议处理属于信用卡的服务
D.
信用卡分为个人卡和单位卡
E.
以上均不正确
【简答题】break one's leg
【单选题】What is the first speaker's(the female one) opinion about reading?
A.
Reading is a good habit.
B.
Reading is good but not necessary.
C.
Reading will make one feel upset.
D.
Non-readers are hopeless.
【单选题】Why does the writer cite Goethe's advice?
A.
To prove one can change one's habits.
B.
To tell that Goethe had a Strong willpower.
C.
To encourage one to go in for sports.
D.
To demonstrate Goethe was creative.
【单选题】Guthrie's contiguity principle offers practical suggestions for how to break habits. One application of the threshold method involves the time young children spend on academic activities. Young childr...
A.
inform
B.
persuade
C.
debate
D.
narrate
相关题目：
【单选题】已有定义语句:int x,y,z; x=3;y=4;z=5;,则值为0的表达式是( )。