第5题: [单项选择]Like some foreigners, I ask a lot of questions, some of which are insultingly silly. But everyone I ______ has answered those questions with patience and honesty. A. come across B. come by C. come over D. come into 参考答案:A 答案解析:come across遇到;come by得到,获得;come over前来,(感情、疾病等)产生、袭来;come into进入(某种状态),继承(财产等)。该句中insultingly silly意
第14题: [单项选择]下列叙述中正确的是______。 A. 线性表是线性结构 B. 栈与队列是非线性结构 C. 线性链表是非线性结构 D. 二叉树是线性结构 参考答案:A 答案解析:[评析] 一般将数据结构分为两大类型:线性结构与非线性结构。线性表、栈与队列、线性链表都是线性结构,而二叉树是非线性结构。