問題詳情

【題組】18. Collagen（膠原蛋白）____ 25 percent or more of the protein in our bodies like muscles, tendons, and so on.
(A) come down with
(B) gives in to
(C) makes up
(D) runs across

參考答案

答案：[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)