問題詳情

【題組】16. Some adaptations protect organisms from hazardous conditions in the environment or fromenemies.
(A) hazy
(B) polluted
(C) beneficial
(D) perilous

參考答案

答案：D
難度：簡單0.764706
統計：A(1),B(0),C(1),D(13),E(0)