Growing betel nut trees on steep mountain slopes leads to loss of topsoil and landdeterioration.(

問題詳情

3. Growing betel nut trees on steep mountain slopes leads to loss of topsoil and landdeterioration.
(A) upgrading
(B) degrading
(C) improving
(D) developing

參考答案

答案：B
難度：簡單0.8
統計：A(0),B(12),C(0),D(3),E(0)

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