题目

如图所示，用直尺和三角尺作直线AB、CD，从图中可知，直线AB与直线CD的位置关系为________． 答案：AB∥CD 解析：根据题意，∠1与∠2是三角尺的同一个角，所以∠1＝∠2，所以，AB∥CD(同位角相等，两直线平行)．故答案为：AB∥CD. We are ________ happy to hear of the success of their team． [　　] A．enough B．more than C．many more D．much many