第 12 课 项脊轩志课前预习区自主梳理1.实词(1)通假字而母立于兹:________________________________________________________________________(2)古今异义① 室仅方丈,可容一人居古义:________________________________________________________________________今义:________________________________________________________________________② 内外多置小门,墙往往而是古义:________________________________________________________________________今义:________________________________________________________________________③ 凡再变矣古义:________________________________________________________________________今义:________________________________________________________________________④ 吾妻来归古义:________________________________________________________________________今义:________________________________________________________________________(3)一词多义① 先② 过③ 若④ 效⑤ 殆⑥ 当(4)词类活用① 垣墙周庭:________