第16题: [单项选择]下列数据结构中,按先进后出原则组织数据的是 A. 线性链表 B. 栈 C. 循环链表 D. 顺序表 参考答案:B 答案解析:【命题目的】本题主要考查对于栈的理解。
【解题要点】栈是限定在一端进行插入与删除的线性表。在栈中,允许插入与删除的一端称为栈顶,而不允许插入与删除的另一端称为栈底。栈顶元素总是最后被插入的元素,
第21题: [单项选择]Questions 15 to 18 are based on the conversation you have just heard.According to the man, how many magazines should one read in order to keep up in his own field A. Twenty or thirty a month. B. Twenty a month. C. Twenty or thirty a year. D. Thirty a year. 参考答案:A 答案解析:[精解] 题干问:“根据男士的意思,为了保持在自己领域上不落后,一个人需要读多少本杂志 ”对话材料中男士说“Even in your own field,you know,you’d have to