第二单元 文韬武略呈异彩第 4 课 烛之武退秦师学案 1 文本研读一、实词1.通假字(1)今老矣,无能为也已:________________________________________________________________________(2)行李之往来,共其乏困:________________________________________________________________________(3)秦伯说,与郑人盟:________________________________________________________________________(4)失其所与,不知:________________________________________________________________________(5)夫晋,何厌之有:________________________________________________________________________2.古今异义(1)微夫人之力不及此古义:________________________________________________________________________今义:________________________________________________________________________(2)行李之往来古义:________________________________________________________________________今义:________________________________________________________________________(3)若舍郑以为东道主古