問題詳情

【題組】48. What do dust mites feed on?
(A) Other tiny bugs.
(B) Flakes of human food.
(C) Bodies of some insects.
(D) Tiny chips of human skin.

參考答案

答案：D[無官方正解]
難度：適中0.5
統計：A(1),B(4),C(0),D(2),E(0)