20. The cardiovascular changes from exercises are primarily a response to the physical challenges which can enhance ________.
(A) endurance
(B) encouragement
(C) ennui
(D) environment

答案:登入後查看
統計: 尚無統計資料

詳解 (共 1 筆)

#5788013
The cardiovascular c...
(共 226 字,隱藏中)
前往觀看
0
0