A.1.24×104~1.24×106eV B.143~71eV C.6.2~3.1eV D.3.1~1.7eV
A.2.0×105cm-1 B.980cm-1 C.2.0cm-1 D.50.0cm-1
A.0.124eV B.12.4eV C.124eV D.1.24×105eV