問題詳情
15. The brain normally uses_________as its source of metabolic energy, but during starvation _may be the major source of energy.
(A) glucose； ketone bodies
(B) ketone bodies； fatty acids
(C) fatty acids； amino acids
(D) amino acids； glucose
(E) all are true
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