18. The energy content of fats
(A) is released by bile salts
(B) may be lost unless an herbivore eats some of its feces
(C) is more than two times that of carbohydrates or proteins
(D) can reverse the effects of malnutrition
(E) Both C and D are correct
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統計: 尚無統計資料
統計: 尚無統計資料