【简答题】已知一个图如下图所示,其顶点按 a 、 b 、 c 、 d 、 e 、 f 顺序存放在邻接表的顶点表中,其邻接表如下下图,使得按此邻接表进行深度优先遍历时得到的顶点序列为 () ,进行广度优先遍历时得到的顶点序列为 () 。(答案格式如 a b c d e f, 字符之间不要加空格或其它符号)
【简答题】Uniforms also give rise to some practical problems. Though they are long-lasting(可持久的), often their initial expense is greater than the cost of civilian clothes(便服). (CET4-2000-06)
【简答题】阅读理解。 In most schools, all students must wear school uniforms when they are at school. But not every student likes the school uniform. Li Jia, a 13-year-old girl from No.9 Middle School, said, 'I don'...