[填空题]
In an alcohol-in-glass thermometer4 htj-ix8 3n.uuqnn )a, t skic wil94 t3l 2z99 og*a)nqkm;fa1fsapj.*he alcohol column has length 11.82 cm at 0.0 p)*w fk9 *a ;ig.iz99sl1tj4alomsq 3nk2fac $^{\circ} $ C and length 22.85 cm at 100.0 $^{\circ} $ C. What is the temperature if the column has length
(a) 16.70 cm, $^{\circ} $ C
(b) 20.50 cm? $^{\circ} $ C