問題詳情
【題組】19.Foods of animal origin generally supply greater amounts of protein and iron to the diet than_____.
(A) plant origin foods
(B) do foods of plant origin
(C) originally plant foods
(D) are foods of plant origin
參考答案
答案：B
難度：適中0.4
統計：A(2),B(8),C(9),D(0),E(0)