阿摩線上測驗
55.Birds store food in a modified portion of the lower esophagus called the
(A) crop;
(B) epiglottis;
(C) gizzard;
(D) alimentary canal.
答案：登入後查看
統計： A(3), B(0), C(3), D(2), E(0) #3577784
統計： A(3), B(0), C(3), D(2), E(0) #3577784
