問題詳情
【題組】12.The fourth paragraph of the passage Primarily discusses
(A)the reproduction of sea cucumbers
(B)the food sources of sea cucumbers
(C)the eating habits of sea cucumbers
(D)threats to sea cucumbers' existence
參考答案
答案：C
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)