【单选题】安装AutoCAD后,最初默认显示的工具栏不包括下列哪项:
【单选题】Li Ming writes as _____ as Jenny. [ ]
【简答题】一个有 n 个顶点的无向图最多有 ( ) 条边。 A . n B . n(n-1) C . n(n-1)/2 D . 2n
【单选题】------ Do you know where Li Ming is working _____? ------ Maybe in Guangzhou, I think.
【单选题】--- Do you know the big boy ________ helped to catch the thief yesterday ? --- Yes, Li Ming, the chairperson of the Students’ Union .