問題詳情

19. To save a planet for the future generations, human beings should make efficient use of all natural _____, includingwater and soil.
(A) industries
(B) improvements
(C) decorations
(D) resources

參考答案

答案:D[無官方正解]
難度:非常簡單0.911765
統計:A(0),B(0),C(0),D(31),E(0)

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