单选题:下列关于栈的描述中错误的是(  )

题目内容:
下列关于栈的描述中错误的是(  ) A.栈是先进后出的线性表
B.栈只能顺序存储
C.栈具有记忆作用
D.对栈的插入与删除操作中,不需要改变栈底指针
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答案解析:

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阅读下面文字,完成12-15小题:                              自由和科学        

阅读下面文字,完成12-15小题:                              自由和科学

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