20. Which of the following animals displays radial symmetry?
(A) an earthworm
(B) a sea anemone
(C) a fish
(D) a lobster

答案:登入後查看
統計: A(0), B(3), C(0), D(0), E(0) #3477262

詳解 (共 1 筆)

#6714651
1. 題目解析 題目要求我們識別出顯示...
(共 868 字,隱藏中)
前往觀看
0
0