問題詳情
33. 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：99
統計：A:0,B:0,C:0,D:0,E:0
難度：計算中