阿摩線上測驗
21. Which feature correctly matches the animal?
(A) Mantle: annelid
(B) Water vascular system: sponge
(C) Skin respiration: reptile
(D) Swim bladder: bony fish
(E) Flame cells: tapeworm
答案：登入後查看
統計： A(0), B(1), C(0), D(0), E(0) #3506991
統計： A(0), B(1), C(0), D(0), E(0) #3506991
