問題詳情

34 The result of the careless storage and disposal of wastes is the _____ of vectors of disease.
(A) breeding
(B) deleting
(C) polluting
(D) composing

參考答案

答案:D
難度:困難0.383333
統計:A(12),B(4),C(11),D(23),E(0)

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