(3)一词多义

①殆

②闻

③国

④故

(4)古今异义

①百川灌河

古义：__________________________________________________________________________　

________________________________________________________________________________　

今义：__________________________________________________________________________　

________________________________________________________________________________　

②至于北海

古义：__________________________________________________________________________　

________________________________________________________________________________　

今义：__________________________________________________________________________　

________________________________________________________________________________　

③东面而视

古义：__________________________________________________________________________　

________________________________________________________________________________　

今义：__________________________________________________________________________　

________________________________________________________________________________　

④于是a焉河伯始旋其面目b

a．古义：_________________________________________________________________________