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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