問題詳情
9. The reasons for the Amazon rainforest fires have been___________ by some environmentalresearchers. Human activity is the main cause of these Amazonian wildfires.
(A) deployed
(B) forfeited
(C) elucidated
(D) reprimanded
參考答案
答案：C[非官方正解]
難度：困難0.375
書單：沒有書單，新增
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