問題詳情
51 ________of energy has become a very important policy for many countries due to the limited resources.
(A)Affirmation
(B)Fascination
(C)Conservation
(D)Observation
參考答案
答案：C
難度：適中0.403226
統計：A(6),B(12),C(25),D(13),E(0)
用户評論
【苑榆】評論
affirmation （n）肯定、確認