問題詳情

12
(A)The fundamental challenge for us all is to change the way we live.
(B)Nearly every drop of water that flows downstream is already allocated.
(C)But the testimony of tree rings shows that those years were much wetter than the long-term historical average.
(D)Scientists change their minds as the evidence they gather becomes more precise and more conclusive.

參考答案

答案:B
難度:簡單0.777778
統計:A(1),B(21),C(2),D(1),E(0)

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