問題詳情

73. Which of the following is NOT mentioned as a cause of pollution?
(A) burning of fuels for energy
(B) the release of noxious gases
(C) smoking and cooking
(D) using of electronic devices

參考答案

答案:D
難度:非常簡單0.923077
統計:A(0),B(1),C(0),D(12),E(0)

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