阿摩線上測驗
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
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統計： A(12), B(42), C(8), D(13), E(0) #1588212
統計： A(12), B(42), C(8), D(13), E(0) #1588212
