問題詳情
51. Why are carbohydrates and fats considered high energy foods?
(A) They have a lot of oxygen atoms.
(B) They have no nitrogen in their makeup.
(C) They can have very long carbon skeletons.
(D) They have a lot of electrons associated with hydrogen.
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增