問題詳情
【題組】32. Why does a type of bacteria protect the sloth？
(A) It becomes the sloth’s food.
(B) It helps the sloth move faster.
(C) It helps the sloth look as green as a tree.
(D) It makes the sloth smell bad.
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)