問題詳情
47.The author mentions the extinction of the dinosaurs in the second paragraph to emphasize that
(A)the cause of the dinosaurs extinction is unknown
(B)Earth's climate has changed significantly since the dinosaurs' extinction,
(C)not all mass extinctions have been caused by human activity
(D) actions by humans could not stop the irreversible process of a species' extinction
(A)the cause of the dinosaurs extinction is unknown
(B)Earth's climate has changed significantly since the dinosaurs' extinction,
(C)not all mass extinctions have been caused by human activity
(D) actions by humans could not stop the irreversible process of a species' extinction
參考答案
答案：C
難度：簡單0.714286
統計：A(1),B(0),C(5),D(1),E(0)
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