阿摩線上測驗
47. Which of the following items is NOT mentioned as a reason why penguins can rocket through the water?
(A) their swimming techniques
(B) their mouths
(C) their blood
(D) their wings
答案：登入後查看
統計： A(22), B(308), C(40), D(13), E(0) #3077094
統計： A(22), B(308), C(40), D(13), E(0) #3077094
