题目

Tom never studied hard, as a result, he failed in most of the exams, which he ________ . A. thought little of   B. sang high praise for   C. spoke highly of   D. was well spoken   答案：A（2007•株洲）现有2cm、4cm、6cm、8cm长的四根木棒，任意选取三根组成一个三角形，那么可以组成三角形的个数为（ ）A．1个B．2个C．3个D．4个