問題詳情

6. According to the passage, when was theNational Marine Sanctuaries Programestablished?
(A) Before 1972
(B) After 1987
(C) One hundred years before national parks were established
(D) One hundred years after YellowstoneNational Park was established

參考答案

答案:D
難度:簡單0.8
統計:A(1),B(0),C(0),D(4),E(0)

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