問題詳情
12. Which of the following provides the best evidence of a biodiversity crisis?
(A) the incursion of a non-native species.
(B) increasing pollution levels.
(C) decrease in regional productivity.
(D) high rate of extinction.
(E) climate change.
(A) the incursion of a non-native species.
(B) increasing pollution levels.
(C) decrease in regional productivity.
(D) high rate of extinction.
(E) climate change.
參考答案
答案：D
難度：適中0.666667
統計：A(2),B(4),C(1),D(18),E(2)
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