問題詳情

4. Arsenic in groundwater and its accumulation in plants and animals have assumed a _____proportion in a large part of West Bengal, India.
(A) hallucinatory
(B) menacing
(C) negligible
(D) respective

參考答案

答案:B
難度:適中0.53125
統計:A(6),B(17),C(3),D(6),E(0)