問題詳情
6. Although the feeding activities of whales and walruses give the seafloor of theBering Shelf a devastated appearance, these activities seem to be actually _____to the area, enhancing its productivity.
(A) detrimental
(B) rehabilitative
(C) beneficial
(D) superfluous
參考答案
答案：C
難度：非常困難0.0344828
統計：A(7),B(20),C(1),D(1),E(0)
用户評論
【Olga Huang】評論
detrimental 有害的rehabilitative 康復的，恢復的beneficial 有用的，有利的superfluous 過多的，過剩的